Generate an Illinois Homestead Exemption denial appeal demand letter. Cite 35 ILCS 200/15-175, meet 30-day deadlines, and recover wrongfully denied exemptions.
Generate My Letter — $19If your Illinois county assessor denied your General Homestead Exemption, you could be paying hundreds or thousands of dollars more in property taxes than the law requires. Illinois homeowners have strong statutory protections under the Property Tax Code, but those rights only work if you act fast and put your appeal in writing. A well-drafted demand letter to the Chief County Assessment Officer or Board of Review forces the agency to reconsider, creates a paper record for the Property Tax Appeal Board (PTAB), and often resolves the dispute before formal litigation. This page explains how Illinois homestead law works, what your appeal letter must include, and the strict 30-day deadlines that determine whether you keep your right to challenge the denial.
The General Homestead Exemption is governed by 35 ILCS 200/15-175. It reduces the equalized assessed value (EAV) of an owner-occupied principal residence by up to $10,000 in Cook County and $6,000 in all other Illinois counties. To qualify, you must (1) own or have a legal or equitable interest in the property, (2) be liable for paying the property taxes, and (3) occupy the home as your principal residence on January 1 of the assessment year. Related exemptions include the Senior Citizens Homestead Exemption (35 ILCS 200/15-170), the Senior Citizens Assessment Freeze (35 ILCS 200/15-172), the Homestead Exemption for Persons with Disabilities (35 ILCS 200/15-168), and the Veterans with Disabilities Exemption (35 ILCS 200/15-169). Common reasons assessors deny homestead claims include missing documentation of occupancy, recent title transfers into trusts or LLCs, dual-residency questions, and clerical errors after a sale or refinance. Illinois law gives denied homeowners a tiered appeal process. First, you may file a complaint with the County Board of Review under 35 ILCS 200/16-55, generally within 30 days after the assessment list is published. If the Board of Review affirms the denial, you have 30 days from the Board's final decision to appeal to the Illinois Property Tax Appeal Board under 35 ILCS 200/16-160, or alternatively file a tax objection complaint in circuit court under 35 ILCS 200/23-5 after paying the tax. In Cook County, the Cook County Assessor's Office accepts Certificates of Error under 35 ILCS 200/14-15 to correct missed exemptions for the current and up to three prior tax years.
A homestead exemption denial demand letter in Illinois is your first, cheapest, and often most effective tool. Address the letter to the Chief County Assessment Officer (or the Cook County Assessor) and copy the County Board of Review. Open by identifying the property by Property Index Number (PIN), the tax year at issue, and the date and reason for denial. Then walk through each statutory element of 35 ILCS 200/15-175: ownership or beneficial interest, legal liability for taxes, and principal-residence occupancy on January 1. Attach proof: recorded deed or trust instrument, driver's license or state ID showing the property address, voter registration, utility bills, vehicle registration, and federal tax returns listing the home address. If the denial involves a land trust, cite 35 ILCS 200/15-175(e) confirming that beneficial owners qualify. Demand a specific remedy: reinstatement of the exemption, issuance of a Certificate of Error for prior years where allowed, and a refund or credit of overpaid taxes plus statutory interest under 35 ILCS 200/23-20. Set a firm response deadline (typically 14 to 21 days) and state that you will file a Board of Review complaint and, if necessary, escalate to PTAB or circuit court. A clear, statute-anchored letter signals that you understand your rights and frequently produces a corrected assessment without a hearing.
Board of Review complaint filing is free in every Illinois county. PTAB appeals are also free to file and do not require an attorney for residential property. Circuit court tax objections under 35 ILCS 200/23-10 require you to first pay the disputed tax under protest and pay the standard civil filing fee (varies by county, typically $200-$400). Illinois small claims court (limit $10,000) generally cannot hear property tax assessment disputes; jurisdiction lies exclusively with the Board of Review, PTAB, or circuit court. Watch the 30-day clocks carefully: they are jurisdictional and missed deadlines extinguish your appeal rights for that tax year. Cook County deadlines are township-specific and published on the Assessor's website.
Property tax in Illinois is governed by the Illinois Property Tax Code (35 ILCS 200/1-1 et seq. (appeals: 35 ILCS 200/16-160; PTAB: Article 16, Div. 5)). Assessment cycle: General (quadrennial) reassessment every four years in most counties; Cook County reassesses on a triennial (three-year) cycle by geographic triad. Assessment date is January 1 of the tax year. Assessed value: 33 1/3% (one-third) of fair market value statewide (the Illinois Department of Revenue targets a 33.3% level of assessment). Cook County uses classification: approximately 10% for residential and 25% for commercial/industrial, reconciled via a state equalization multiplier.
Illinois Department of Revenue (state oversight/equalization); county Boards of Review and township/county assessors (local); Illinois Property Tax Appeal Board (PTAB) for statewide appeals. The window to act is short — board of Review: within 30 days of publication of the township assessment list (deadlines vary by county/township). Property Tax Appeal Board (PTAB): petition must be postmarked within 30 days of the Board of Review's final written decision; faxed/emailed appeals not accepted.
A recent change to watch: 2025-2026 reforms: General Homestead Exemption maximum set (up to $10,000 for 2025, with 2026+ indexed to lesser of 5% or CPI); Senior Freeze income limit raised from $65,000 (2025) to $75,000 (2026). Property tax debt/tax-sale reform (2026 legislation) aimed at helping homeowners retain equity, extending Cook County's annual tax-sale schedule.
Exemptions to claim: General Homestead Exemption (up to $10,000 EAV in Cook County / $6,000 in other counties for 2026); Senior Citizens Homestead Exemption ($5,000, age 65+); Senior Citizens Assessment Freeze (income limit raised to $75,000 for tax year 2026); Returning Veterans' Homestead Exemption ($5,000 for two years); Disabled Veterans' Standard Homestead Exemption ($2,500 for 30-49% disability, $5,000 for 50-69%, total exemption for 70%+); plus Home Improvement and Persons with Disabilities exemptions.
First-level appeal: County Board of Review (BOR) — a quasi-judicial body providing an informal venue to resolve assessed-value disputes (some counties allow an informal review with the township/county assessor first). In Cook County, an initial appeal may be filed with the Cook County Assessor before the Board of Review.
Appeal deadline: Board of Review: within 30 days of publication of the township assessment list (deadlines vary by county/township). Property Tax Appeal Board (PTAB): petition must be postmarked within 30 days of the Board of Review's final written decision; faxed/emailed appeals not accepted.
Next-level appeal: Illinois Property Tax Appeal Board (PTAB) — a five-member statewide quasi-judicial body; alternatively, taxpayers may seek judicial review by filing a tax objection complaint in the circuit court. PTAB decisions are reviewable by the Appellate Court under the Administrative Review Law.
Grounds you can raise: Overvaluation (assessment exceeds 33 1/3% of fair market value) and lack of uniformity/assessment inequity (property assessed higher than comparable properties). Decisions are based on equity and the weight of the evidence (35 ILCS 200/16-160).
Evidence that works: Comparable sales, comparable assessments (equity/uniformity grids), recent independent appraisals, a recent arm's-length purchase price, and documentation of property condition or income/expense data. PTAB weighs comparables by similarity in age, design, size, and features.
How your value is assessed: 33 1/3% (one-third) of fair market value statewide (the Illinois Department of Revenue targets a 33.3% level of assessment). Cook County uses classification: approximately 10% for residential and 25% for commercial/industrial, reconciled via a state equalization multiplier.
The hearing: Board of Review: informal hearings (written submission or in-person). PTAB: appeals may be decided on written evidence submissions; a formal in-person or telephonic hearing may be requested. The Illinois Supreme Court has affirmed that payment of the tax is NOT a prerequisite to appeal to PTAB.
First, county Board of Review (BOR) — a quasi-judicial body providing an informal venue to resolve assessed-value disputes (some counties allow an informal review with the township/county assessor first). In Cook County, an initial appeal may be filed with the Cook County Assessor before the Board of Review.
If that fails, illinois Property Tax Appeal Board (PTAB) — a five-member statewide quasi-judicial body; alternatively, taxpayers may seek judicial review by filing a tax objection complaint in the circuit court. PTAB decisions are reviewable by the Appellate Court under the Administrative Review Law.
Mind the deadline: board of Review: within 30 days of publication of the township assessment list (deadlines vary by county/township). Property Tax Appeal Board (PTAB): petition must be postmarked within 30 days of the Board of Review's final written decision; faxed/emailed appeals not accepted.
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