Tax Attorney in Naperville, IL

Federal IRS representation for Naperville households and businesses — wealth-management RSU and ISO disputes, carried-interest under IRC § 1061, FBAR and FATCA cleanup for H-1B and L-1 families, audits, back taxes, liens, levies, payroll-tax exposure, and U.S. Tax Court litigation at the Kluczynski Federal Building in Chicago. We also coordinate Illinois Department of Revenue matters under Form IL-2848 Power of Attorney where they sit alongside a federal case.

Reviewed by Parham Khorsandi, Esq. — California Bar #266658. Last reviewed: May 25, 2026.

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If you owe back taxes in Naperville, here is what shapes your 2026 case

Illinois keeps its 4.95% flat personal income tax under 35 ILCS 5/201 — the graduated-rate constitutional amendment failed at the November 2020 ballot, and the flat structure has held. Corporate income tax sits at 7%, with the 1.5% personal property replacement tax pushing the combined rate to roughly 9.5%. Sales tax in Naperville lands at about 8% (6.25% state + 1% DuPage County non-home-rule + 0% municipal home-rule + 0.75% RTA) — lower than the City of Chicago, but the Illinois Department of Revenue's Use Tax enforcement under 35 ILCS 105/ is just as aggressive. What did not change: the Illinois Independent Tax Tribunal still requires a petition within 60 days of a final Notice of Deficiency, and the IRS retains its ten-year Collection Statute Expiration Date under IRC § 6502.

If you have received an IRS CP504, LT11, or Statutory Notice of Deficiency, or if the Illinois Department of Revenue has issued a Notice of Tax Liability or Notice of Deficiency with proposed tax, penalty, and interest, the deadline to act is short. We pull your IRS account transcripts, calculate your CSED, file Form 2848 Power of Attorney with the IRS and Form IL-2848 with the Illinois DOR, and put administrative brakes on collection while the case is built.

Federal tax representation for Naperville taxpayers

Victory Tax Lawyers, LLP is a California-Bar-admitted tax-resolution law firm based in Los Angeles. Our federal practice runs nationwide: the Internal Revenue Service accepts our Form 2848 Power of Attorney in every state, and the U.S. Tax Court — a single federal tribunal with jurisdiction over IRS deficiency cases — holds regular trial sessions in Chicago at the John C. Kluczynski Federal Building, the venue assigned to Naperville taxpayers. From our Robertson Boulevard office in Los Angeles, we represent Naperville residents and Illinois-domiciled businesses in IRS audits, collection cases, Tax Court petitions, Offers in Compromise under IRC § 7122, Installment Agreements under IRC § 6159, lien discharges under IRC § 6325, levy releases under IRC § 6343, and Trust Fund Recovery Penalty defenses under IRC § 6672.

For Illinois state tax matters — the 4.95% flat personal income tax, the parallel 7% corporate rate plus 1.5% replacement tax, the 6.25% state sales tax (with DuPage County's 1% sales tax and the RTA 0.75% add-on combining for an approximately 8% rate in Naperville), withholding-tax assessments, and contested matters headed to the Illinois Independent Tax Tribunal — we file Form IL-2848 with the Department of Revenue and handle the administrative track directly. For formal litigation in the Illinois Independent Tax Tribunal or the Illinois state courts, we refer to locally admitted Illinois counsel under a co-counsel arrangement. The federal layer is where most Naperville wealth-management, equity-compensation, and cross-border cases live, and that is where our engagement carries the load.

Naperville sits at the intersection of Chicago-Loop wealth-management money (Calamos Investments headquartered in Naperville, BMO Harris Bank suburban offices, Edward Jones financial-advisor offices serving DuPage County), corporate W-2 plus RSU streams (Nicor Gas headquartered at 1844 Ferry Road in Naperville, ADP's Naperville campus), the largest Asian-American per-capita population among major U.S. suburbs (Indian-American, Chinese-American, Korean-American, and Eastern European H-1B and L-1 expatriate families with FBAR and FATCA exposure), and a heavy daily BNSF Metra commuter flow into the Chicago Loop where Bain, McKinsey, BCG, and AmLaw partner clients earn income while their family domicile sits in DuPage County. Argonne National Laboratory ten miles north pulls federally-funded researchers under IRC § 174 and classified-information settings. Edward Hospital (Endeavor Health) produces 1099 physician and locum-tenens issues. North Central College's UMC heritage brings clergy housing under IRC § 107. The federal procedures are uniform; the facts are Naperville-specific.

Your tax rights as a Naperville taxpayer

Two parallel rights frameworks apply when you owe tax. Federal rights come from the Internal Revenue Code and IRS Publication 1, the Taxpayer Bill of Rights. State rights come from the Illinois Income Tax Act (35 ILCS 5/), the Illinois Department of Revenue Law of the Civil Administrative Code (20 ILCS 2505/), and the Illinois Taxpayers' Bill of Rights Act (20 ILCS 2520/). Knowing both is the difference between a clean resolution and a missed 60-day Illinois Independent Tax Tribunal deadline that turns into a state tax lien recorded against your DuPage County home.

Right to representation

IRC § 7521(b)(2) and (c) give you the right to be represented by an attorney, CPA, or Enrolled Agent during any IRS examination or interview. Once Form 2848 is on file, the IRS must deal with us first, not you. Illinois mirrors this through Form IL-2848 Power of Attorney filed with the Department of Revenue.

Right to U.S. Tax Court review

IRC § 6213(a) gives you 90 days from a Statutory Notice of Deficiency to petition the U.S. Tax Court without paying the tax first. Miss the 90 days and the federal assessment becomes final. The Tax Court holds regular trial sessions in Chicago at the Kluczynski Federal Building, approximately 32 miles east of Naperville.

Right to Illinois Independent Tax Tribunal review

35 ILCS 1010/1-45 gives you 60 days from a final Illinois DOR Notice of Deficiency to petition the Illinois Independent Tax Tribunal — an independent administrative tribunal established by statute in 2013 and seated at 160 N LaSalle Street, Room S-1000, Chicago IL 60601. The 60-day window is tighter than the federal 90-day Tax Court deadline. Jurisdiction generally covers protests where the amount at issue exceeds $15,000. Victory Tax Lawyers refers Tribunal litigation to locally admitted Illinois counsel.

Collection Due Process

IRC § 6320 (lien) and IRC § 6330 (levy) give you a 30-day window to request a CDP hearing once the IRS files a Notice of Federal Tax Lien or issues a Final Notice of Intent to Levy. A timely CDP filing halts collection and preserves judicial review in the U.S. Tax Court.

Right to settle for less than owed

Federally, IRC § 7122 authorizes Offers in Compromise based on doubt as to liability, doubt as to collectibility, or effective tax administration. Illinois runs a parallel Offer-in-Compromise process under 35 ILCS 5/911.2 and the Board of Appeals procedure (20 ILCS 2505/2505-65), with hardship and insolvency standards similar to the federal program. Both regimes require all returns filed before consideration.

Right to recover fees

IRC § 7430 allows recovery of administrative and litigation costs if the IRS takes a position that is not substantially justified and the taxpayer prevails. The threshold is high, but real, especially in audit reconsideration and Innocent Spouse cases under IRC § 6015.

How Victory Tax Lawyers helps Naperville taxpayers

Offer in Compromise under IRC § 7122

We file Form 656 with Form 433-A(OIC) or 433-B(OIC), document the Reasonable Collection Potential, and negotiate doubt-as-to-collectibility offers when full collection is not feasible within the remaining CSED. For Naperville taxpayers, a federal OIC does not resolve Illinois state liability; we run a parallel Illinois OIC or Board of Appeals petition with the Illinois DOR where the state debt is real. Affluent DuPage County offers turn on the Reasonable Collection Potential calculation against home equity, retirement accounts, and deferred compensation — a careful asset and income analysis under Internal Revenue Manual 5.8.5 makes or breaks the submission.

Installment Agreements under IRC § 6159

Streamlined IAs (under $50,000), partial-pay IAs under IRC § 6159(d), and full-pay agreements. We push for partial-pay structures where the IRC § 6502 ten-year CSED will extinguish the balance before payoff — a path worth running for Naperville taxpayers between $50,000 and $250,000 in federal debt. Illinois runs its own state installment-agreement program through MyTax Illinois.

Lien discharge, subordination, and withdrawal

When a Notice of Federal Tax Lien blocks a Naperville property sale or refinance — common with the high transaction volume in the 60540, 60563, 60564, and 60565 ZIP codes — we file Form 14135 (discharge), Form 14134 (subordination), or Form 12277 (withdrawal). NFTLs filed with the DuPage County Recorder of Deeds at 421 N County Farm Road in Wheaton encumber title; the IRS procedures under IRC § 6325 set the cure path. Timing must align with the closing.

Levy release under IRC § 6343

Wage levies, bank levies, and accounts-receivable levies. We document economic hardship under IRC § 6343(a)(1)(D) and Treasury Reg. § 301.6343-1(b)(4), and where the levy is procedurally defective, we challenge it through Collection Due Process or Appeals. Illinois state levies follow a parallel track under 35 ILCS 5/1109 and the Department of Revenue Law.

Audit defense and U.S. Tax Court litigation

Correspondence audits, office audits, and field examinations — including sensitive issues like cryptocurrency, foreign accounts under FinCEN Form 114 (FBAR) for accounts held in India, China, Korea, and Eastern Europe, S-corporation reasonable-compensation for Naperville professional-services firms, equity-compensation timing on RSU vesting and ISO disqualifying dispositions, and IRC § 1061 carried-interest holding periods for private-equity and hedge-fund partners commuting to the Loop. If the audit closes unfavorably, we petition the U.S. Tax Court within the 90-day IRC § 6213(a) window. Naperville taxpayers' trial sessions are held in Chicago at the Kluczynski Federal Building.

Penalty abatement under IRC § 6651 and IRM 20.1.1

First-Time Abate administrative relief, reasonable-cause abatement, and statutory exceptions for failure-to-file and failure-to-pay penalties. On accuracy-related penalties under IRC § 6662, we document substantial authority or adequate disclosure to defeat the assessment. Illinois penalties under 35 ILCS 735/3 follow a separate reasonable-cause analysis. Foreign-disclosure penalties under IRC § 6038D for unreported specified foreign financial assets — common in Naperville's H-1B and L-1 expat households — respond to the Streamlined Filing Compliance Procedures rather than ordinary abatement.

Twelve types of Naperville tax matters we handle

Federal cases for Naperville residents and businesses, framed against the Illinois DOR overlay where it matters.

RSU and ISO equity-compensation disputes

Naperville hosts a substantial population of corporate executives at Calamos Investments, Nicor Gas, ADP, BMO Harris, Edward Jones, and downtown-Chicago employers paying Restricted Stock Units and Incentive Stock Options. RSU vesting is ordinary W-2 income on the Form W-2 in the year of vest; ISO exercise can trigger Alternative Minimum Tax under IRC § 55 if held past year-end. Disqualifying ISO dispositions, missed 83(b) elections under IRC § 83(b), and Section 409A deferred-compensation timing errors drive most of our equity-compensation engagements.

IRC § 1061 carried-interest holding period

Private-equity, venture-capital, and hedge-fund partners residing in Naperville and commuting to the Chicago Loop fall under the three-year carried-interest holding period of IRC § 1061 (added by the 2017 Tax Cuts and Jobs Act and modified by IRS final regulations in 2021). A carry distribution held less than three years is recharacterized from long-term capital gain to short-term capital gain — a 17-percentage-point federal rate swing. We restructure capital-account allocations and document holding periods to defend the long-term treatment.

FBAR and FATCA non-disclosure

FinCEN Form 114 (FBAR) for foreign accounts over $10,000 aggregate, plus IRS Form 8938 for specified foreign financial assets under IRC § 6038D. Naperville's Indian-American, Chinese-American, Korean-American, and Eastern European communities (Naperville is among the largest U.S. Asian-American suburbs per-capita, with roughly 25% Asian population) make Streamlined Filing Compliance Procedures a frequent engagement for accounts at State Bank of India, ICICI Bank, HDFC, Bank of China, ICBC, Kookmin Bank, and PKO Bank Polski.

IRC § 911 Foreign Earned Income Exclusion

H-1B and L-1 professionals who spent prior tax years abroad, plus Naperville residents on overseas assignments through Chicago-based consulting and tech firms, claim the Foreign Earned Income Exclusion under IRC § 911 (indexed to roughly $126,500 for 2024). Bona-fide-residence and physical-presence tests drive eligibility. The exclusion does not eliminate U.S. self-employment tax or Illinois state tax for Illinois domiciliaries.

Trust Fund Recovery Penalty

IRC § 6672 imposes personal liability on officers, partners, and check-signers for unpaid employment-tax withholding. Naperville restaurant operators along the Riverwalk and downtown Naperville, hospitality on Chicago Avenue, professional-services firms, and construction businesses are frequent targets. The IRS uses Form 4180 interviews to identify responsible persons.

Notice of Federal Tax Lien

NFTLs filed with the DuPage County Recorder of Deeds (or the Will County Recorder for the portion of Naperville that extends south into Will County) encumber title and trigger CDP rights under IRC § 6320. A parallel Illinois state tax lien may be recorded by the DOR under 35 ILCS 5/1101 with a 20-year duration.

IRS bank or wage levy

Bank levies on accounts held at BMO Harris (whose suburban office serves DuPage County), Chase, Wintrust, Old Second Bank, Inland Bank & Trust, or any Illinois-chartered bank. Wage levies hit Naperville employers within days of CP90 or LT11 issuance — we move on Form 12153 CDP requests and Form 433-F hardship submissions concurrently.

Passport revocation under IRC § 7345

A seriously delinquent tax debt (over $62,000 for 2025, indexed annually) triggers State Department certification and passport hold. Naperville's H-1B, L-1, and dual-citizen families travel internationally for work and family reasons; a passport block disrupts career and personal life. We file the IRC § 7345(e) action to reverse the certification.

1099 physician self-employment

Edward Hospital (now part of Endeavor Health following the Edward-Elmhurst Health merger) and the broader Endeavor Health system contract with locum-tenens, hospitalist, anesthesiology, and emergency-medicine physicians on a 1099 basis. Self-employment tax under IRC § 1402 (15.3%), quarterly estimated payments under IRC § 6654, IRC § 199A QBI phase-outs for specified service trades, and S-corporation reasonable-compensation under Rev. Rul. 59-221 are recurring physician issues.

IRC § 174 R&D capitalization

Argonne National Laboratory sits roughly ten miles north of Naperville and pulls federally-funded research partners. The 2017 Tax Cuts and Jobs Act required IRC § 174 Research and Experimental expenditures to be capitalized and amortized over five years (15 years for foreign R&D) starting in 2022 — a major shift from immediate expensing. Tech, biotech, and engineering firms supplying Argonne or other federal labs and missing the capitalization change carry material restatement exposure.

Innocent Spouse Relief

IRC § 6015 relief for spouses jointly liable on a return where the other spouse's items caused the deficiency. We file Form 8857 with a clean factual record — common in divorces involving Naperville business owners, partners at Chicago-Loop AmLaw firms, and dual-income households where one spouse handled the Schedule C, K-1, or foreign-asset reporting.

Unfiled returns and SFR substitutes

When the IRS files a Substitute for Return under IRC § 6020(b), the assessed tax is almost always overstated. Filing the correct original return is the first move — it routinely reduces the balance. Illinois runs a parallel substitute-return process under 35 ILCS 5/904, and the DOR uses federal return matching to issue Illinois Notices of Tax Liability whenever a federal SFR posts.

Nine common causes of tax debt for Naperville taxpayers

Patterns we see repeatedly in Naperville-based engagements. None of them are unusual — all of them are resolvable.

1. RSU underwithholding

Employer payroll typically withholds federal tax on RSU vesting at the 22% supplemental flat rate. A Naperville executive in the 32%, 35%, or 37% marginal bracket carries a 10-to-15-point shortfall on each vest. Without a quarterly Form 1040-ES estimated payment, the IRS CP14 arrives the following April with penalties under IRC § 6654.

2. ISO Alternative Minimum Tax

An Incentive Stock Option exercised and held past year-end produces an AMT preference item under IRC § 56(b)(3). Naperville option holders at pre-IPO and post-IPO Chicago-area tech firms regularly land in AMT for the first time after a multi-thousand-share exercise — with no cash to pay the AMT bill if the stock price drops the following year.

3. Self-employment underpayment

Consulting partners at Bain, McKinsey, BCG, and similar firms commuting from Naperville to the Loop, 1099 physicians at Edward and Endeavor Health, financial advisors at Edward Jones, and Schedule C operators file with no estimated-tax payments. The first IRS CP14 lands the following spring with penalties under IRC § 6654 and parallel Illinois penalty under 35 ILCS 735/3-3.

4. Business closure

When an LLC or S-corp closes with unpaid Form 941 payroll-tax balances, IRC § 6672 follows the responsible officer personally — well after the entity is dissolved. Illinois pursues a parallel responsible-officer claim under 35 ILCS 735/3-7.

5. Divorce and joint-return fallout

A jointly-filed return tied to a now-former spouse's understatement leaves both parties liable until Innocent Spouse relief under IRC § 6015 is granted. DuPage County divorce filings track the federal record.

6. Cryptocurrency CP2000 surprise

Exchanges issue Form 1099-DA (introduced 2025), and the IRS computer matches reported gains. Missed basis records turn into ordinary-income assessments at the full sale price. Naperville's tech, finance, and engineering population overlaps heavily with the retail crypto investor base.

7. Late-filed or unfiled returns

Failure-to-file under IRC § 6651(a)(1) compounds at 5% per month, capped at 25%. After three years, refunds are barred under IRC § 6511. Illinois imposes a parallel 2% per month late-filing penalty under 35 ILCS 735/3-3.

8. Real-estate sale without estimated tax

A Naperville home in the historic district, the White Eagle and Tall Grass subdivisions, or the school-district-204 corridor generating substantial capital gain, with no Form 1040-ES payment, produces a tax bill the next April. Investor flips taxed at ordinary-income rates — not capital-gain — under the dealer-status rules of IRC § 1221.

9. Illinois Use Tax on out-of-state purchases

35 ILCS 105/3 imposes a 6.25% Use Tax on goods purchased out of state (online retailers, items shipped from out-of-state warehouses, vehicles bought across state lines) and brought into Illinois for use. The DOR enforces through Form ST-44 and vehicle-registration cross-matching at the Secretary of State; many Naperville taxpayers discover the liability years late on a CarMax or out-of-state dealer purchase.

Eight tax liabilities that pull in Naperville taxpayers

Federal authority alongside the Illinois statute where there is a parallel.

Failure to file federal return

IRC § 6651(a)(1) imposes 5%/month, max 25%, plus interest under IRC § 6601. The Illinois mirror is 35 ILCS 735/3-3 imposing a 2%/month late-filing penalty capped at 20% of unpaid state tax.

Failure to file Illinois state return

35 ILCS 735/3-3 imposes a late-filing penalty separate from the federal penalty. The Illinois DOR may issue a Notice of Tax Liability under 35 ILCS 735/904 triggering protest rights and, if the amount exceeds $15,000, an Illinois Independent Tax Tribunal petition window.

Federal § 7122 Offer in Compromise eligibility

All federal returns must be filed (IRC § 7122(d) compliance) and the offer must reflect Reasonable Collection Potential. The non-refundable $205 application fee may be waived for low-income certified offers.

Illinois Retailers' Occupation Tax delinquency

35 ILCS 120/ (the Retailers' Occupation Tax Act) imposes penalties on unpaid state sales tax (6.25% state + DuPage County 1% + RTA 0.75% = approximately 8% combined in Naperville, lower than the Chicago 10.25%). Personal liability for responsible persons under 35 ILCS 735/3-7 pierces the corporate veil for trust-fund sales tax.

Trust Fund Recovery Penalty

IRC § 6672 imposes 100% personal liability on responsible persons for unpaid trust-fund employment tax. Illinois applies a similar responsible-person rule to withheld state income tax under 35 ILCS 735/3-7.

Accuracy-related penalty

IRC § 6662 imposes 20% on substantial-understatement or negligence; IRC § 6663 imposes 75% on fraud. Defense is built on substantial authority, adequate disclosure, or reasonable cause. IRC § 6662(j) adds a 40% gross-valuation-misstatement penalty on undisclosed foreign financial-asset transactions — relevant to Naperville expat families.

Illinois Use Tax assessment

35 ILCS 105/ imposes a 6.25% Use Tax on out-of-state purchases brought into Illinois. The DOR pursues unreported Use Tax through ST-44 audits, vehicle-registration cross-matching, and out-of-state retailer reporting. Voluntary disclosure programs under 35 ILCS 745/ can resolve historical exposure on favorable terms.

IRC § 6038D Form 8938 disclosure

IRC § 6038D requires Form 8938 reporting of specified foreign financial assets above filing-status thresholds ($50,000/$100,000 for unmarried/married filing in the U.S.; higher for taxpayers abroad). A $10,000 penalty applies per failure, with continuation penalties capped at $50,000. Form 8938 sits alongside FBAR — the two filings overlap but are not identical. Streamlined Filing Compliance Procedures address both for Naperville's H-1B, L-1, and dual-status filers.

What resolution can look like

Debt reduced

An accepted IRC § 7122 Offer in Compromise can resolve six-figure balances for cents on the dollar where Reasonable Collection Potential supports the offer. The acceptance rate sits around 33% nationally; preparation determines the outcome.

Penalties abated

First-Time Abate removes a single year of failure-to-file or failure-to-pay penalties for taxpayers with a clean three-year compliance record. Reasonable-cause abatement under IRM 20.1.1 reaches further when supported by documentation.

Lien released or withdrawn

Once a debt is paid in full, the IRS releases the Notice of Federal Tax Lien within 30 days per IRC § 6325(a). On an Installment Agreement of $25,000 or less, lien withdrawal under Form 12277 can be requested to clear title with the DuPage County Recorder of Deeds.

Sample tax-resolution outcomes

Anonymized client matters drawn from our $100M+ aggregate tax-relief record across 2,000+ resolved cases.

Year	Tax debt	Resolution	Final outcome
2024	$152,296	IRC § 6159 Installment Agreement	Accepted at $25/month, partial-pay
2024	$138,296	Streamlined Installment Agreement	Accepted at $25/month
2023	$130,555	Partial-Pay Installment Agreement	Accepted at $50/month
2023	$128,206	IRC § 6159 Installment Agreement	Accepted at $25/month
2022	$116,451	Partial-Pay Installment Agreement	Accepted at $50/month

Past results do not guarantee future outcomes. Each tax case is unique. Results depend on the specific facts of the matter, including the taxpayer's financial condition, compliance history, and the discretion of the Internal Revenue Service and the Illinois Department of Revenue.

Why Victory Tax Lawyers for a Naperville federal-tax case

Victory Tax Lawyers is California-Bar-admitted, not Illinois-Bar-admitted. That distinction matters — and it does not block our work. The U.S. Tax Court is a federal court with nationwide jurisdiction; an attorney admitted to that court may petition and try cases at any of its trial locations, including Chicago at the Kluczynski Federal Building (the assigned trial city for Naperville taxpayers). IRS administrative practice runs on Form 2848 Power of Attorney, which is accepted from any attorney in good standing with any state bar plus an active Centralized Authorization File number. Most of our Naperville clients never need a separately admitted Illinois attorney because the case is, at its core, federal.

For administrative work before the Illinois Department of Revenue — protests, audit responses, OIC submissions, and installment-agreement requests — we file Form IL-2848 Power of Attorney and handle the matter remotely. When a case must move to the Illinois Independent Tax Tribunal (the independent administrative tribunal authorized under 35 ILCS 1010/ and seated at 160 N LaSalle Street in Chicago) or an Illinois state court, we coordinate with locally admitted Illinois counsel under a co-counsel arrangement. The federal portion of the engagement, which is usually the larger exposure for Naperville households with RSU, ISO, carried-interest, FBAR, or §1061 facts, stays with us.

What distinguishes our firm: a California-Bar-admitted managing attorney with active U.S. Tax Court admission, an Enrolled Agent on staff for IRS administrative work, a 5.0 / 72-review Google rating, and $100M+ in cumulative tax relief secured across 2,000+ resolved matters. No marketing claim of being an Illinois-licensed firm — we are not. A factually accurate offer of federal tax representation, available to any Naperville taxpayer, at the same standard we apply to a Los Angeles client. Our 100% remote workflow runs through a secure document portal — you never have to drive into the Loop or down to Robertson Boulevard.

Our seven-step process for Naperville clients

Free consultation

A 30-minute call with a tax attorney to scope your matter, identify deadlines, and decide whether engagement is the right move.

Engagement letter

A written scope, fee structure, and conflict check. Flat fees for administrative resolution; hourly or hybrid for litigation.

Form 2848 and CAF

We file the federal Power of Attorney with the IRS and Form IL-2848 with the Illinois DOR, register on the CAF system, and step in as the contact of record.

Transcript and CSED analysis

We pull IRS account transcripts via Form 8821, calculate each year's CSED under IRC § 6502, and identify tolling events.

Strategy memo

A written summary: the resolution path (OIC, IA, CNC, audit response, CDP, Tax Court), the timeline, and the realistic outcome range.

Filing and negotiation

We file the operative document — Form 656, Form 433-A(OIC), Form 9423, Form 12153, or an Illinois Independent Tax Tribunal petition through local counsel — and handle every IRS and Illinois DOR contact.

Compliance monitoring

After resolution we monitor compliance through the OIC five-year terms or the IA term, file future returns, and prevent default.

Two collection clocks: federal CSED and Illinois's 20-year lien rule

The IRS has ten years from the date of assessment to collect a federal tax under IRC § 6502. After the Collection Statute Expiration Date, the debt is extinguished by operation of law. The clock pauses (“tolls”) when an Offer in Compromise is pending, when a Collection Due Process petition is filed, during bankruptcy, when an installment agreement is requested, and when the taxpayer is outside the United States for six months or more — relevant to Naperville's H-1B, L-1, and overseas-assignment population.

Illinois runs a parallel state collection rule. Under 35 ILCS 5/911, the Illinois DOR must issue a Notice of Deficiency within three years of the return's due date (six years for omissions exceeding 25% of gross income, no limit for fraud or unfiled returns). Once an Illinois tax lien is recorded under 35 ILCS 5/1101, it remains a lien on the taxpayer's real and personal property for 20 years — far longer than the federal ten-year CSED. Many Naperville homeowners carry a federal CSED that will expire well before the Illinois lien is released. Pull both records and know both dates before agreeing to any payment plan or amended return that could restart a clock.

Naperville tax authorities and venues

A working knowledge of the tribunals, agencies, and field offices serving Naperville is what separates an answered Notice from a wage levy. Below is the working list our firm uses on every Naperville matter.

Internal Revenue Service — nearest TAC

The federal tax authority, at irs.gov. The Taxpayer Assistance Center nearest Naperville is the Chicago TAC at 230 S Dearborn Street inside the John C. Kluczynski Federal Building (approximately 32 miles east of Naperville); there is no dedicated DuPage County TAC. Appointments required.

U.S. Tax Court — Chicago trial sessions

The U.S. Tax Court holds regular trial sessions in Chicago at the John C. Kluczynski Federal Building, 230 S Dearborn Street — the trial city assigned to Naperville taxpayers when filing a petition. Petitions are filed electronically through DAWSON at ustaxcourt.gov; the 90-day deadline runs from the IRS Statutory Notice of Deficiency under IRC § 6213(a).

Illinois Department of Revenue

The state tax authority, at tax.illinois.gov. Springfield headquarters with a Chicago Regional Office at the James R. Thompson Center, 100 W Randolph Street, 7th Floor, Chicago IL 60601 — the regional office serving Naperville. Administers the 4.95% flat personal income tax, the 7% corporate income tax plus 1.5% replacement tax, the 6.25% state sales tax, withholding tax, and Use Tax under 35 ILCS 105/.

Illinois Independent Tax Tribunal

The independent administrative tribunal established by statute in 2013, authorized under 35 ILCS 1010/ and seated at 160 N LaSalle Street, Room S-1000, Chicago IL 60601 (approximately 32 miles east of Naperville). Hears disputes between taxpayers and the Illinois Department of Revenue where the amount in controversy exceeds $15,000. 60-day petition deadline from a final Notice of Deficiency. Decisions are appealable to the Illinois Appellate Court.

DuPage County Treasurer

The county tax-collection authority for most of Naperville. Office at 421 N County Farm Road, 1st Floor, Wheaton IL 60187. Page: dupageco.org/treasurer. Administers DuPage County property-tax billing and collection. Federal NFTLs affecting DuPage County property are recorded with the DuPage County Recorder.

Will County Treasurer

A portion of southern Naperville extends into Will County. The Will County Treasurer is at 302 N Chicago Street, Joliet IL 60432. Page: willcountyillinois.com. Naperville taxpayers whose homes sit on the Will County side of the city limits pay property tax through Will County rather than DuPage. The federal NFTL recording venue follows the property's county of situs.

DuPage County Supervisor of Assessments

The county assessment authority. Office at 421 N County Farm Road, Wheaton IL 60187. Page: dupageco.org/soa. Sets the assessed value of Naperville property in DuPage County — the starting point for the county tax bill. Property-tax appeals run through the DuPage County Board of Review and (on further appeal) the Illinois Property Tax Appeal Board.

City of Naperville Finance Department

The municipal revenue authority at 400 S Eagle Street, Naperville IL 60540. Administers city food-and-beverage tax, hotel-and-motel tax, telecommunications tax, and the local share of utility taxes. The city does not impose a separate municipal income tax (Illinois municipalities are barred from taxing income under the Illinois Constitution).

U.S. District Court — Northern District of Illinois, Eastern Division

Refund suits filed after payment of tax and exhaustion of administrative remedies under IRC § 7422 may be brought in the U.S. District Court for the Northern District of Illinois, Eastern Division, at the Everett McKinley Dirksen Federal Building, 219 S Dearborn Street, Chicago IL 60604 — the primary venue for Naperville taxpayers, which sits within NDIL Eastern Division — or the U.S. Court of Federal Claims in Washington, D.C.

IRS Independent Office of Appeals

The administrative-appeals body within the IRS that resolves cases without litigation. Naperville cases run through the Appeals offices serving the Midwest region. Filings: Form 9423 (collection appeal) and Form 12153 (CDP). Page: irs.gov/appeals.

Taxpayer Advocate Service — Chicago

An independent organization within the IRS that helps when normal channels stall. The Chicago TAS office serves taxpayers across northern Illinois, including DuPage and Will counties. Page: taxpayeradvocate.irs.gov.

Speak with a tax attorney about your Naperville matter

Free consultation, attorney-client privileged, no obligation. If a Notice of Deficiency, a Final Notice of Intent to Levy, or an Illinois DOR Notice of Tax Liability is in front of you, the deadline to respond is real and short — call today.

Call (800) 883-8301 Free Consultation

Frequently asked questions — Naperville tax

Does Illinois have a state income tax?

Yes. Illinois has a 4.95% flat personal income tax under 35 ILCS 5/201. The graduated-income-tax constitutional amendment failed at the November 2020 ballot, so the flat structure has held. Corporate income tax is 7%, with an additional 1.5% personal property replacement tax that pushes the combined corporate rate to 9.5%. Naperville residents pay no city income tax (Illinois municipalities cannot impose a local income tax under the state constitution). Sales tax in Naperville lands at about 8% (6.25% state + 1% DuPage County + 0.75% RTA), lower than the City of Chicago's 10.25% combined rate.

Where is the closest U.S. Tax Court trial location to Naperville?

The U.S. Tax Court holds regular trial sessions in Chicago at the John C. Kluczynski Federal Building, 230 S Dearborn Street — approximately 32 miles east of Naperville and reachable via the BNSF Metra commuter line into Chicago Union Station. A Naperville taxpayer requests the Chicago trial location when filing the petition. Petitions are filed electronically through DAWSON at ustaxcourt.gov; the 90-day deadline from the IRS Statutory Notice of Deficiency under IRC § 6213(a) is jurisdictional — a single day late and the federal assessment becomes final.

What is the Illinois Independent Tax Tribunal and what is its deadline?

The Illinois Independent Tax Tribunal is an independent administrative tribunal established by the Illinois General Assembly in 2013 (effective January 1, 2014), authorized under 35 ILCS 1010/ and seated at 160 N LaSalle Street, Room S-1000, Chicago IL 60601 — about 32 miles east of Naperville. It hears disputes between taxpayers and the Illinois Department of Revenue in matters where the amount at issue exceeds $15,000. The petition deadline is 60 days from a final DOR Notice of Deficiency — tighter than the federal 90-day Tax Court deadline. Decisions are appealable to the Illinois Appellate Court. Victory Tax Lawyers refers Illinois Independent Tax Tribunal litigation to locally admitted Illinois counsel; we handle the federal portion and DOR administrative work directly.

What is Illinois's collection statute of limitations?

35 ILCS 5/911 gives the Illinois DOR three years from a return's due date to issue a Notice of Deficiency (six years for omissions exceeding 25% of gross income, no limit for fraud or unfiled returns). Once an Illinois tax lien is recorded under 35 ILCS 5/1101, the lien remains in place against the taxpayer's real and personal property for 20 years — substantially longer than the federal ten-year CSED under IRC § 6502. Pulling both records is the first step before agreeing to any payment plan that might restart a clock.

I work in the Chicago Loop and live in Naperville — how is my wage income taxed?

Illinois taxes residents on worldwide income and non-residents on Illinois-source income only. A Naperville resident commuting on the BNSF Metra to a Loop employer pays Illinois 4.95% on all wages, regardless of where in Illinois the work is performed. Chicago does not impose a municipal income tax, so there is no city-tax allocation issue inside Illinois. If your employer is headquartered outside Illinois (for example, an out-of-state consulting firm or a multistate financial-services firm), the state-source allocation under 86 Ill. Admin. Code § 100.3120 may produce a credit for taxes paid to other states under 35 ILCS 5/601. We coordinate the calculation when residency or domicile is in dispute.

I'm an H-1B or L-1 visa holder in Naperville — do I have to report my Indian, Chinese, or Korean bank accounts?

Yes, if you are a U.S. tax resident under the substantial-presence test of IRC § 7701(b) and the aggregate value of all foreign financial accounts you own or have signature authority over exceeded $10,000 at any point during the calendar year. FinCEN Form 114 (FBAR) is due April 15 with an automatic extension to October 15. IRS Form 8938 under IRC § 6038D adds a parallel disclosure with different (higher) thresholds. Non-willful failure to file FBAR carries up to a $10,000 civil penalty per violation; willful failure can reach the greater of $100,000 or 50% of account balances. The IRS Streamlined Filing Compliance Procedures — Domestic for U.S. residents, Foreign for those who lived abroad — offer a path to bring accounts at State Bank of India, ICICI, HDFC, Bank of China, ICBC, Kookmin, Hana Bank, and similar institutions into compliance with substantially reduced penalty exposure.

I just had RSUs vest at my Chicago employer — how much should I set aside?

Employer payroll withholds federal tax on RSU vesting at the 22% supplemental flat rate under Treasury Reg. § 31.3402(g)-1, plus Illinois state withholding at 4.95% and FICA (6.2% Social Security up to the wage base, 1.45% Medicare with no cap). A Naperville executive at the 32%, 35%, or 37% federal marginal rate carries a 10-to-15-point shortfall between the 22% withheld and the actual liability. Set aside the marginal-rate differential against each vest, file Form 1040-ES quarterly, and avoid the underpayment penalty under IRC § 6654. We model this for Naperville clients at the start of each vesting year.

I'm a private-equity or consulting partner — how does IRC § 1061 carried interest work?

IRC § 1061, added by the 2017 Tax Cuts and Jobs Act and clarified by IRS final regulations in 2021, recharacterizes net long-term capital gain on an “applicable partnership interest” (a carry held in a private-equity, venture-capital, or hedge-fund context) as short-term capital gain unless held for more than three years. The three-year holding period is measured at the asset level, not the partner level. A Naperville partner at a Chicago-Loop PE or hedge-fund shop whose deal sold inside three years sees the carry taxed at ordinary rates (up to 37% federal) rather than long-term capital gain rates (20%). We restructure capital-account allocations and document holding periods to defend the long-term treatment.

Can a California-Bar-admitted attorney represent me in Naperville?

For federal IRS matters — yes. The IRS accepts Form 2848 Power of Attorney from any attorney in good standing with any state bar. The U.S. Tax Court is a single federal court with nationwide jurisdiction; an attorney admitted to that court may represent a taxpayer at any Tax Court trial location, including Chicago. For Illinois DOR administrative work, we file Form IL-2848 Power of Attorney and handle the matter remotely. For formal litigation in the Illinois Independent Tax Tribunal or an Illinois state court, we co-counsel with locally admitted Illinois attorneys. Most engagements — audit defense, OIC, IA, levy release, Tax Court, FBAR cleanup — are federal and stay entirely with our firm.

I'm a 1099 physician at Edward Hospital or Endeavor Health — what tax issues should I expect?

Endeavor Health (the system formed by the Edward-Elmhurst Health and NorthShore University HealthSystem merger) contracts with locum-tenens, hospitalist, anesthesiology, emergency-medicine, and radiology physicians on a 1099 basis. The 1099-NEC income carries self-employment tax under IRC § 1402 at 15.3% on top of federal income tax (up to 37% marginal) and Illinois 4.95%. Quarterly Form 1040-ES estimated payments under IRC § 6654 are mandatory. The IRC § 199A Qualified Business Income deduction phases out for specified service trades or businesses (health is on the SSTB list) above income thresholds. An S-corporation structure with reasonable compensation under Rev. Rul. 59-221 can reduce self-employment tax exposure but invites IRS scrutiny if the W-2 portion is set too low.

What if I have unfiled returns going back several years?

The IRS Voluntary Filing Compliance policy and IRM 5.1.11.6 generally require the last six years of returns to bring a taxpayer back into compliance. Filing prior-year returns is the first step before any OIC, IA, or CNC request — IRC § 7122(d) compliance is a prerequisite for a federal Offer. Refunds claimed on returns filed more than three years after the original due date are time-barred under IRC § 6511(b)(2). Illinois follows a parallel filing-compliance posture; the DOR may issue a substitute Notice of Tax Liability under 35 ILCS 5/904 when a taxpayer fails to file.

Can the IRS levy my Naperville bank account or wages?

Yes — after a Final Notice of Intent to Levy (CP90 or LT11) and expiration of the 30-day Collection Due Process window under IRC § 6330, the IRS may levy bank accounts at BMO Harris, Chase, Wintrust, Old Second, Inland Bank & Trust, or any Illinois-chartered institution and serve wage levies on Naperville employers including Nicor Gas, ADP, Calamos Investments, Edward Hospital, and the City of Naperville. A timely Form 12153 CDP request halts collection while the case is reviewed by Appeals. After a CDP determination, the taxpayer has 30 days to petition the U.S. Tax Court under IRC § 6330(d)(1). Illinois issues parallel state levies under 35 ILCS 5/1109 that work similarly through bank and employer service.

Does Illinois offer an Offer in Compromise equivalent to the federal program?

Yes, through two paths. The Illinois DOR accepts Offers in Compromise on doubt-as-to-collectibility grounds under 35 ILCS 5/911.2 administrative procedure. Separately, the Illinois Board of Appeals (authorized under 20 ILCS 2505/2505-65) considers requests for relief from final assessments based on financial hardship or doubt as to the underlying liability. All Illinois returns must be filed before consideration, and a financial-disclosure package is required. We typically run an Illinois OIC or Board of Appeals petition in parallel with the federal Offer where both debts are real.

My home sits on the Will County side of Naperville — does the federal NFTL still attach?

Yes. Naperville's city limits extend across both DuPage County and Will County; a federal Notice of Federal Tax Lien is recorded with the Recorder of Deeds in the county where the real property is located. A home in the southern portion of Naperville inside Will County is reached by an NFTL recorded with the Will County Recorder at 302 N Chicago Street, Joliet IL; a home north of the county line is recorded in DuPage at 421 N County Farm Road, Wheaton IL. The CDP rights under IRC § 6320 are identical regardless of county.

How long does a federal Offer in Compromise take to process?

An IRS Offer in Compromise typically takes six to twelve months from filing to a final decision. The IRS deems an Offer accepted if not rejected within 24 months under IRC § 7122(f). While the OIC is pending, IRC § 6331(k) bars most levies, and the CSED is tolled. Rejected offers carry a 30-day Appeals window. A well-documented Offer with a complete Form 433-A(OIC) or 433-B(OIC) financial package moves faster than one returned for incompleteness. An Illinois OIC or Board of Appeals petition typically runs four to nine months on a parallel track.

Will hiring a tax attorney stop IRS collection action immediately?

Once Form 2848 is on file, the IRS routes all communication through the attorney and stops contacting the taxpayer directly. Active levies are not automatically lifted by the POA filing alone — release requires either a financial showing under IRC § 6343, a CDP filing under IRC § 6330, or an installment-agreement / OIC submission that triggers the IRC § 6331(k) collection bar. We move on those concurrently when a levy is in place. Illinois state collection follows a similar pattern: a Form IL-2848 routes state contact, and a pending Illinois OIC or installment agreement pauses enforcement.

About the author

This page was written and reviewed by Parham Khorsandi, Esq., Managing Attorney of Victory Tax Lawyers, LLP. Cal Bar #266658. Admitted to practice before the United States Tax Court. Mr. Khorsandi has resolved over 2,000 federal tax matters and secured more than $100 million in tax relief for clients across all 50 states.

Page last reviewed: May 25, 2026. Editorial standard: every federal-statute citation links to law.cornell.edu (Legal Information Institute, Cornell Law School). Every Illinois statute citation references the Illinois Compiled Statutes maintained by the Illinois General Assembly. Every administrative authority links to its primary .gov source. Material changes to the law are reflected within 30 days of effective date.

Attorney Advertising. This page is provided by Victory Tax Lawyers, LLP for general informational purposes only. Nothing on this page constitutes legal advice, creates an attorney-client relationship, or substitutes for consultation with a licensed attorney about your specific tax matter. Prior results described or referenced do not guarantee a similar outcome. Each tax case turns on its individual facts, applicable law, and the discretion of the Internal Revenue Service, the Illinois Department of Revenue, the U.S. Tax Court, the Illinois Independent Tax Tribunal, or other adjudicating body.

Victory Tax Lawyers, LLP is California-Bar-admitted with its principal office at 1100 S. Robertson Blvd., Los Angeles, CA 90035. The firm represents clients in federal tax matters nationwide via Form 2848 Power of Attorney and admission to the United States Tax Court. The firm is not admitted to practice in the courts of the State of Illinois; where an Illinois state-court appearance or Illinois Independent Tax Tribunal litigation is required, the firm associates with locally admitted counsel.

IRS Circular 230 Disclosure: The discussion of U.S. federal tax issues on this page is not intended or written to be used, and cannot be used, for the purpose of avoiding penalties imposed under the Internal Revenue Code or for promoting, marketing, or recommending to another party any tax-related matters addressed. For specific tax advice, consult independent tax counsel.

Authorities cited on this page

26 U.S.C. § 7122 — Federal Offer in Compromise
26 U.S.C. § 6159 — Installment Agreements
26 U.S.C. § 6321 — Federal Tax Lien
26 U.S.C. § 6325 — Lien Release and Discharge
26 U.S.C. § 6331 — Levy and Distraint
26 U.S.C. § 6343 — Release of Levy
26 U.S.C. § 6502 — Collection Statute Expiration
26 U.S.C. § 6213 — Tax Court Petition Window
26 U.S.C. § 6320 — CDP for Liens
26 U.S.C. § 6330 — CDP for Levies
26 U.S.C. § 6651 — Failure-to-File and Failure-to-Pay
26 U.S.C. § 6672 — Trust Fund Recovery Penalty
26 U.S.C. § 6015 — Innocent Spouse Relief
26 U.S.C. § 7345 — Passport Revocation
26 U.S.C. § 1061 — Carried-interest three-year holding period
26 U.S.C. § 83 — Property transferred in connection with services (RSU/ISO)
26 U.S.C. § 911 — Foreign Earned Income Exclusion
26 U.S.C. § 6038D — Foreign financial-asset disclosure (Form 8938)
26 U.S.C. § 174 — R&D capitalization
35 ILCS 5/201 — Illinois flat-rate personal and corporate income tax
35 ILCS 5/904 — Illinois Notice of Tax Liability
35 ILCS 5/911 — Illinois assessment statute of limitations
35 ILCS 5/911.2 — Illinois Offer in Compromise authority
35 ILCS 5/1101 — Illinois tax lien
35 ILCS 5/1109 — Illinois levy authority
35 ILCS 105/ — Illinois Use Tax Act
35 ILCS 120/ — Illinois Retailers' Occupation Tax Act
35 ILCS 735/3-3 — Illinois late-filing penalty
35 ILCS 735/3-7 — Illinois responsible-officer liability
35 ILCS 1010/ — Illinois Independent Tax Tribunal Act
20 ILCS 2505/2505-65 — Illinois Board of Appeals
20 ILCS 2520/ — Illinois Taxpayers' Bill of Rights Act