Illinois homestead exemption: every type, amount, and deadline

Illinois offers up to $10,000 off your home's assessed value through homestead exemptions. Learn which ones you qualify for, how to apply, and key deadlines.

TaxFightBack Editorial Team
23 min read
In This Article

Last updated 2026-07-09

Suburban Chicago brick house with autumn leaves on the front lawn in morning light
Suburban Chicago brick house with autumn leaves on the front lawn in morning light

TL;DR

Illinois homeowners can cut their property tax bill through several homestead exemptions. The General Homestead Exemption reduces equalized assessed value by up to $10,000 in Cook County and $6,000 everywhere else. Seniors, disabled veterans, and improvement projects qualify for extra reductions. Most exemptions need a one-time application with your county assessor. The Senior Assessment Freeze must be refiled every year.

What is the Illinois homestead exemption and how much does it save?

A homestead exemption in Illinois lowers the equalized assessed value (EAV) of your primary home, which shrinks the taxable base your bill is built from. Lower EAV, lower tax. Dollar for dollar, at whatever your local rate happens to be.

How much you save depends on which exemption you get and where you live. The General Homestead Exemption (GHE), the one nearly every owner-occupant qualifies for, cuts EAV by up to $10,000 in Cook County and up to $6,000 in every other county. [1] On a typical combined tax rate of 8 to 10 percent in the Cook County suburbs, a $10,000 EAV cut works out to roughly $800 to $1,000 off your bill each year. Downstate counties run lower rates, so the $6,000 cut saves less, but it still lands.

Illinois lets you stack exemptions. Qualify for the General Homestead plus the Senior Citizens Homestead, and both reductions come off your EAV. That stacking is why some Cook County seniors knock $15,000 or more off their assessed value before the tax rate ever touches it.

Many homeowners miss one detail. The exemption applies to EAV, not market value and not the raw assessed value before the state multiplier gets applied. Read the EAV line on your bill, not the assessed value line, to confirm your exemptions actually show up. [2]

What types of homestead exemptions does Illinois offer?

Illinois has seven homestead-related exemptions under the Property Tax Code (35 ILCS 200). Here is what each one does.

General Homestead Exemption (GHE) cuts EAV by up to $6,000 statewide and $10,000 in Cook County for any owner-occupant whose home is their primary residence. [1] This is the baseline. Most homeowners already have it, but verify it appears on your bill.

Homestead Improvement Exemption (HIE) shields the added value of new construction from taxation for up to four years or until the property sells, whichever comes first. It caps at $75,000 of added value. [3] Added a bedroom or gutted the kitchen? Ask your assessor about this one.

Senior Citizens Homestead Exemption gives homeowners 65 or older an extra $5,000 EAV reduction. [4] Stacked with the GHE, Cook County seniors reach $15,000 total.

Senior Citizens Assessment Freeze Homestead Exemption (SCAFHE) does more than the name suggests. It freezes a qualifying senior's EAV at a base year level, so rising assessments stop pushing the taxable value up. In most counties, household income cannot top $65,000 a year. [5] The freeze does not freeze your tax bill, since rates can still climb, but it stops the assessment from climbing with them.

Persons with Disabilities Homestead Exemption gives a $2,000 EAV reduction to homeowners with a documented qualifying disability. [6]

Veterans with Disabilities Exemption is the most generous single break Illinois offers. A service-connected disability rated 30 to 49 percent gets a $2,500 EAV reduction; 50 to 69 percent gets $5,000; 70 percent or higher gets a full property tax exemption, zero tax on the primary residence. [7] Surviving spouses of veterans who died in service or from a service-connected disability may also qualify for the full exemption.

Standard Homestead Exemption for Veterans with Disabilities (SHEVD) is the formal statutory name for that veteran break, codified at 35 ILCS 200/15-169. [7]

ExemptionEAV ReductionIncome LimitAge/Status Requirement
General Homestead (Cook)$10,000NoneOwner-occupant, primary residence
General Homestead (all other counties)$6,000NoneOwner-occupant, primary residence
Senior Citizens Homestead$5,000NoneAge 65+
Senior Assessment FreezeVaries (EAV frozen)$65,000 householdAge 65+, meets income threshold
Persons with Disabilities$2,000NoneQualifying disability documentation
Veterans 30-49% disability$2,500NoneVA disability rating
Veterans 50-69% disability$5,000NoneVA disability rating
Veterans 70%+ disabilityFull exemptionNoneVA disability rating
Homestead ImprovementUp to $75,000 of added valueNoneNew improvements, up to 4 years

Who qualifies for the Illinois General Homestead Exemption?

You qualify if you own the home, live in it as your primary residence on January 1 of the tax year, and it is assessed as residential real estate. [1] Simple on paper. A few edge cases trip people up.

Bought your home in the past year? If the previous owner had the exemption, it may have carried over on your first bill, or it may not have, depending on your county's renewal setup. Always check. Cook County re-verifies occupancy on a cycle, and if the exemption never got transferred to your name, you could be overpaying and not know it.

Trust-owned homes qualify as long as the beneficial owner lives there as a primary residence. Most counties have a trust affidavit form built for exactly this. If your home sits in a revocable living trust, ask your assessor for that form.

You cannot claim the exemption on a rental, a vacation home, or any property you own but do not live in. You cannot claim it on more than one property either. Own a condo downtown and a house in the suburbs? Pick one.

Illinois homestead exemption: EAV reductions by type Maximum equalized assessed value reduction for each exemption category (Cook County rates shown where county-specific) General Homestead (Cook County) $10k General Homestead (all other coun… $6,000 Senior Citizens Homestead $5,000 Veterans 50-69% disability $5,000 Veterans 30-49% disability $2,500 Persons with Disabilities $2,000 Returning Veterans (one-time) $5,000 Source: Illinois General Assembly, 35 ILCS 200 (2024)

How do you apply for the homestead exemption in Illinois?

The process changes by county, but the path is the same everywhere. Find your assessor, prove you own and occupy the home, file the form.

Start with your county assessor's office. In Cook County that is the Cook County Assessor's Office. Everywhere else it is the County Assessor or Supervisor of Assessments. Most have online portals now, and many still take applications by mail.

For the General Homestead Exemption, Cook County renews automatically once you are approved. Other counties split: some auto-renew, some make you reapply every year. Check yours.

For the Senior Citizens Homestead Exemption, you usually apply once and it renews automatically in Cook County, though you have to tell the assessor if your status changes. [4]

For the Senior Assessment Freeze, you reapply every single year because your income gets verified annually. [5] This is the one people forget to refile, and skipping a year means losing the freeze for that tax year.

For the Veterans with Disabilities Exemption, bring your VA disability rating letter or equivalent proof. Most counties want the original or a certified copy.

Documents most counties ask for:

  • Proof of ownership (deed or trust agreement)
  • Proof of residency (Illinois driver's license or state ID matching the property address)
  • Social Security number of the applicant
  • For income-based exemptions: prior year's federal and state tax returns, or proof of all income sources

Cook County's online application portal is at cookcountyassessor.com. For other counties, the Illinois Department of Revenue publishes a directory of county supervisors of assessments at tax.illinois.gov. [2]

What are the deadlines to apply for Illinois homestead exemptions?

This is where homeowners lose money. Miss the deadline and you wait a full year for another shot.

In Cook County, the General Homestead application deadline tracks the triennial reassessment cycle for your township. The county splits into three reassessment districts (City of Chicago, North Suburbs, South Suburbs), and each runs a different appeal and exemption schedule. Check cookcountyassessor.com for this year's township-specific dates. [8]

For the Senior Assessment Freeze, the annual filing deadline in most Illinois counties is July 1, though some counties push it to October 1. [5] The Illinois Department of Revenue names July 1 in its official PTAX-340 guidance, but a county can set a later local deadline. Call your assessor to confirm before you assume anything.

Downstate, the county board and supervisor of assessments set the exemption deadlines. Many line up with the assessment publication date, which can hit as early as spring.

ExemptionTypical DeadlineRenewal Required?
General Homestead (Cook)Varies by township reassessment scheduleAutomatic once approved
General Homestead (other counties)Varies; often spring/summerVaries by county
Senior Citizens HomesteadVaries; often July 1Automatic in Cook; varies elsewhere
Senior Assessment FreezeJuly 1 (statewide guidance); county may extendYes, annually
Veterans with DisabilitiesVaries by countyAnnual in many counties
Homestead ImprovementWithin 120 days of permit issuance in some countiesAutomatic for duration

One move beats all the others. Call your county assessor's office every January and ask: "What exemptions do I currently have on my PIN, and what deadlines apply this year?" Five minutes. It can save you hundreds of dollars.

How do you check if your exemptions are already on your tax bill?

Your annual tax bill lists every exemption applied to your parcel. In Illinois, the bill shows your assessed value, the state equalization factor used to get EAV, then a line-by-line deduction for each exemption. The net EAV after exemptions is what your tax rate hits.

In Cook County, look up your PIN (Property Index Number) at cookcountyassessor.com or cookcountytreasurer.com to see your current exemptions, EAV, and tax history. [8] Most downstate counties run similar lookup tools through their assessor or treasurer sites.

If an exemption you qualify for is missing from your bill, you are overpaying. Sometimes you can fix it retroactively. Illinois allows a refund of up to three years of overpaid taxes when you can document that you qualified for an exemption that never got applied. [2] In Cook County the fix is called a Certificate of Error. It is not fast, often six to twelve months to process, but the refund is real money.

If you think the assessed value itself is wrong, that is a different fight: a formal appeal. The Illinois Property Tax Appeal Board (PTAB) handles appeals past the local level, and if you want to build the strongest case yourself, the TaxFightBack DIY appeal kit walks you through comparable-sales evidence and the PTAB filing process without handing a contingency firm a cut of your savings.

How does the Senior Assessment Freeze actually work in Illinois?

The Senior Citizens Assessment Freeze Homestead Exemption (SCAFHE) is the most misread exemption in the state. People assume it freezes their tax bill. It does not. It freezes the equalized assessed value used to calculate the tax, which is a different thing.

Here is the mechanics. When you first qualify, the assessor sets a "base year" EAV for your property. Every year after that, as long as you stay eligible, your taxable EAV is whichever is lower: the current year's assessed and equalized value, or the base year EAV. [5] So if your EAV would have climbed from $80,000 to $95,000 over five years, you are still taxed on $80,000. But if the tax rate moves from 8 to 10 percent, your bill still rises from $6,400 to $8,000. The EAV is frozen; the rate is not.

The income line is $65,000 in combined household income from every source. [5] Social Security, pensions, interest, and rent from any property you own all count. The Illinois Department of Revenue counts everyone who used the property as their primary residence during the prior year, more than the applicant.

You reapply every year, even when nothing changed. Many assessors mail reminders, but move or miss the mail and you lose the freeze for that year. The base year does not reset when you skip a year, but you do owe the higher EAV for the gap.

Some counties verify freeze income through the Illinois Department of Revenue's matching system, so make sure your state income tax return matches what you report on the exemption form.

What does the Illinois veteran disability exemption actually cover?

The Standard Homestead Exemption for Veterans with Disabilities (SHEVD) under 35 ILCS 200/15-169 is one of the most generous veteran property tax breaks in the country. [7]

At a 70 percent or higher service-connected disability rating from the U.S. Department of Veterans Affairs, the entire property tax on your primary residence is waived. Zero. The home has to be owned and occupied by the veteran as their primary residence. If the veteran dies and leaves the home to a surviving spouse, that spouse keeps the exemption as long as they stay unmarried and keep living there.

At 50 to 69 percent disability, the EAV reduction is $5,000. At 30 to 49 percent, it is $2,500. Both stack on top of any other exemption you qualify for, including the General Homestead.

The Illinois Returning Veterans' Homestead Exemption is a separate, smaller benefit: a one-time $5,000 EAV reduction in the tax year the veteran returns from active duty in an armed conflict. [7] It is easy to miss because nobody grants it for you. You have to apply in the year you return.

To apply for any veteran exemption, contact your county assessor and bring your DD-214 discharge papers and your current VA disability rating letter. Some counties also accept the VA's online summary. Processing usually runs 30 to 90 days.

Can you get a retroactive refund if you missed years of exemptions?

Yes, in many cases. Illinois lets you correct missed exemptions through different channels depending on your county.

In Cook County, the Certificate of Error process recovers overpaid taxes going back up to three years when an exemption was wrongly left off. [8] The Cook County Assessor's Office reviews the claim, the County Clerk issues a corrected tax amount if it is approved, and the Treasurer refunds the overpayment. If your taxes ran through an escrow account, you may need to loop in your mortgage servicer.

In other counties, the mechanism is usually a petition to the Board of Review or the supervisor of assessments, also capped at roughly three prior years in most cases.

The refund is not automatic. You have to show you actually qualified in those years: occupied the property, met the age or income thresholds, and so on. Bought the house three years ago, the exemption never got applied, and you can document continuous ownership and occupancy? That refund is straightforward. Trying to claim a Senior Freeze for prior years when your income bounced around? The county will want prior-year tax returns to verify.

A few practical notes. The refund comes as a check from the county, not a discount on a future bill. It usually takes six to twelve months in Cook County. If your taxes are escrowed, tell your lender once the check lands so they can rerun your escrow analysis.

How does Illinois compare to other states on homestead exemptions?

Illinois sits mid-pack among Midwestern states, and well behind Florida and Texas on raw dollar amounts.

Florida caps its homestead exemption at $50,000 off assessed value for most homeowners and adds Save Our Homes portability, which beats anything Illinois offers. Texas, whose homestead exemption process is just as DIY-friendly, gives a $100,000 school district exemption starting in 2023 plus separate senior and disabled veteran layers.

Ohio's homestead exemption is income-tested and cuts your tax dollars directly rather than your assessed value, which makes a clean comparison hard but generally leaves higher-income seniors with less relief than Illinois.

Pennsylvania's homestead exemption gets set at the local school district level and swings widely by district, with no uniform statewide floor.

Georgia's homestead exemption starts with a basic $2,000 cut off assessed value at the state level, then adds county and school layers that often total more than Illinois for homeowners around suburban Atlanta.

What Illinois does well: the full veteran disability exemption ranks among the most generous anywhere, and the Senior Assessment Freeze is real protection against climbing assessments for lower-income seniors in high-tax Cook County.

What Illinois does poorly: a $6,000 to $10,000 General Homestead Exemption is modest given how high effective rates run here. Illinois carries one of the heaviest property tax loads in the country, an average effective rate around 2.08 percent, second highest of any state per the Lincoln Institute of Land Policy's 50-State Property Tax Comparison Study. [9] So the absolute dollars an exemption saves you count for a lot.

What if your assessment is wrong even after exemptions?

Exemptions shrink your taxable base. They do not fix an inflated assessment. If your home is assessed above its fair market value, you are overpaying even with every exemption in place.

Illinois assessors are supposed to assess residential property at 33.33 percent of fair market value. [2] Cook County uses the same standard, though its triennial reassessment cycle means your value can be three years stale by the time it gets revised. The state equalizer (multiplier) is meant to pull average county-wide assessments to 33.33 percent, but any single property can still land off.

The appeal ladder in Illinois runs: local assessor's office, then Board of Review at the county level, then the Illinois Property Tax Appeal Board (PTAB) or Circuit Court. Each rung has its own filing deadline, and missing one forfeits your right to appeal at that level for the year.

The evidence that wins appeals is comparable sales: recent sales of similar homes near you that support a lower market value. If your assessed value implies a market value higher than what comparable homes actually sold for, that gap is your whole argument.

You do not need a lawyer or a contingency firm to make it. The TaxFightBack DIY appeal kit covers pulling comps, running the assessment ratio, and filing at both the Board of Review and PTAB. Contingency firms typically take 30 to 50 percent of the first year's tax savings. Do it yourself and you keep all of it.

For a look at how another high-tax state handles this, see New York property taxes, which follows a similar local-then-state board structure.

Frequently asked questions

Does the Illinois homestead exemption apply automatically, or do I have to apply?

It depends on your county. In Cook County, the General Homestead Exemption is supposed to apply automatically when a home sells, but errors are common, so always verify your PIN shows it. In most other Illinois counties, you apply once, in person or online. Income-based exemptions like the Senior Assessment Freeze require annual reapplication everywhere.

How much does the Illinois homestead exemption reduce my property tax bill?

The General Homestead Exemption cuts equalized assessed value (EAV) by $10,000 in Cook County and $6,000 in all other counties. At Cook County's typical combined tax rates of 8 to 10 percent, the $10,000 EAV cut saves roughly $800 to $1,000 a year. Savings in lower-rate downstate counties are smaller, often $200 to $400 a year.

What is the income limit for the Illinois Senior Assessment Freeze?

Household income must be $65,000 or less per year to qualify for the Senior Citizens Assessment Freeze Homestead Exemption (SCAFHE). Income from every source counts: Social Security, pensions, investment income, rental income, and wages. The $65,000 threshold covers all persons who used the property as their primary residence during the prior year, more than the applicant.

Can a surviving spouse keep the veteran disability exemption in Illinois?

Yes. If a veteran who qualified for the full disability exemption (70 percent or higher VA rating) dies, the surviving spouse keeps the full property tax exemption as long as they stay unmarried and continue to occupy the same home as their primary residence. The same rule applies to surviving spouses of veterans who died in service or from a service-connected cause.

Do I lose my Illinois homestead exemption if I refinance or put my home in a trust?

Refinancing alone does not affect your exemption. Moving ownership into a revocable living trust generally does not disqualify you, but you must file a trust disclosure affidavit with your county assessor showing you remain the beneficial owner and occupant. Skip that form and the exemption can drop off your next assessment cycle.

What is the Homestead Improvement Exemption in Illinois and how do I get it?

The Homestead Improvement Exemption shields the added value of new home improvements from taxation for up to four years or until the property sells. The cap is $75,000 of added assessed value per improvement. Apply with your local assessor after a building permit is issued. It pays off most after major work like additions, gut rehabs, or garage builds.

Can I get a refund for homestead exemptions I missed in prior years?

Yes, for up to three prior tax years in most cases. In Cook County the process is a Certificate of Error. In other counties it is a petition to the supervisor of assessments or Board of Review. You must document that you qualified in those years: proof of ownership, residency, and any income or status requirements. Refunds take six to twelve months in Cook County.

How do I apply for the Illinois homestead exemption in Cook County specifically?

Apply online or in person at the Cook County Assessor's Office. You need your Property Index Number (PIN), proof of ownership such as a deed, and a valid Illinois ID or driver's license showing the property address. Seniors applying for the Assessment Freeze also need prior-year tax returns and documentation of all household income. The portal is at cookcountyassessor.com.

What is the deadline for the Senior Assessment Freeze in Illinois?

Statewide guidance sets July 1 as the annual filing deadline for the Senior Citizens Assessment Freeze Homestead Exemption. Some counties extend to October 1, but do not count on it. Because you reapply every year, set a calendar reminder for May or June. Losing one year's freeze means paying the higher assessed value for that entire tax year.

Does Illinois offer a homestead exemption for people with disabilities who are not veterans?

Yes. The Persons with Disabilities Homestead Exemption gives a $2,000 EAV reduction to qualifying homeowners with disabilities. You provide documentation of your disability status, typically an award letter from Social Security or a physician's certification, depending on your county. Apply through your county assessor's office. It stacks with the General Homestead Exemption.

What happens to my Illinois homestead exemption when I sell my home?

The exemption does not transfer to the buyer automatically in every county. When you sell, it typically expires at the end of the tax year or at closing, and the new owner applies for their own General Homestead Exemption. In Cook County, new owners should apply promptly because errors in automatic application are common. An exemption that wrongly stays on the bill after a sale can create a tax liability at the next reassessment.

Is the Illinois homestead exemption the same as an appeal of my assessed value?

No. They are separate processes. An exemption reduces the taxable portion of a correctly calculated assessed value. An appeal challenges whether the assessment itself is accurate. Pursue both if your home is over-assessed and missing an exemption. Exemption applications go to the county assessor's office; assessment appeals go to the Board of Review, then PTAB if needed.

How do I verify my current exemptions are showing on my Illinois property tax bill?

Look up your Property Index Number (PIN) on your county assessor's or treasurer's website. In Cook County, cookcountyassessor.com shows every current exemption on each PIN. Your paper bill also itemizes exemptions before listing the net taxable EAV. If one is missing, contact the assessor right away, since corrections may need to be filed before the next billing cycle.

Sources

  1. Illinois General Assembly, 35 ILCS 200/15-175 (General Homestead Exemption): General Homestead Exemption reduces EAV by up to $10,000 in Cook County and $6,000 in all other counties for owner-occupants of primary residences.
  2. Illinois Department of Revenue (Property Tax section, tax.illinois.gov): Illinois residential property is assessed at 33.33 percent of fair market value; the state equalization factor adjusts county averages to that standard. IDOR lists county supervisors of assessments.
  3. Illinois General Assembly, 35 ILCS 200/15-180 (Homestead Improvement Exemption): Homestead Improvement Exemption shields up to $75,000 of added assessed value from new improvements for up to four years or until sale.
  4. Illinois General Assembly, 35 ILCS 200/15-170 (Senior Citizens Homestead Exemption): Senior Citizens Homestead Exemption provides a $5,000 EAV reduction for homeowners age 65 or older.
  5. Illinois Department of Revenue, Senior Citizens Assessment Freeze Homestead Exemption (PTAX-340 instructions, tax.illinois.gov): Senior Assessment Freeze requires annual reapplication, income threshold is $65,000 household income, and the typical statewide deadline is July 1.
  6. Illinois General Assembly, 35 ILCS 200/15-168 (Persons with Disabilities Homestead Exemption): Persons with Disabilities Homestead Exemption provides a $2,000 EAV reduction for qualifying homeowners with documented disabilities.
  7. Illinois General Assembly, 35 ILCS 200/15-169 (Standard Homestead Exemption for Veterans with Disabilities): Veterans with 70% or higher service-connected disability rating receive full property tax exemption; 50-69% get $5,000 EAV reduction; 30-49% get $2,500. Surviving spouses of veterans killed in service may also qualify.
  8. Cook County Assessor's Office, Exemptions Overview: Cook County uses a Certificate of Error process to correct missed exemptions for up to three prior years, and its portal allows PIN-level exemption lookup.
  9. Lincoln Institute of Land Policy, 50-State Property Tax Comparison Study: Illinois has one of the highest effective property tax rates in the nation, estimated around 2.08 percent average effective rate, ranking second highest among all states.

Disclaimer: TaxFightBack is an informational tool for property tax appeal preparation. We do not provide legal, tax, or appraisal advice. We do not file appeals on your behalf. Results are not guaranteed.

TaxFightBack Editorial Team

TaxFightBack provides expert guidance and tools to help you succeed. Our content is reviewed for accuracy and kept up to date.

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