Cook County senior exemption and senior freeze
Lowers property taxes for homeowners 65 and older, and freezes the taxable value of the home for seniors with income under the limit.
Apply on the official site ↗Goes to CookCountyAssessorIL.gov. Applying is free.
Who generally qualifies
Cook County homeowners 65 and older; the freeze also requires household income under the limit.
Exact income limits and rules are set by Cook County Assessor's Office and can change. Check the official site for current details.
How to apply
- Apply online with the Cook County Assessor.
- Renew each year if asked.
What to have ready
- Proof of age
- Proof of household income, for the freeze
- Property index number (PIN)
Common questions
- Does it cost anything to apply?
- No. Applying through the official site is free. Be wary of anyone who charges a fee to apply for you.
- Do I have to pay it back?
- No. A tax break lowers what you owe. You don't pay it back.
- Who decides if I qualify?
- Cook County Assessor's Office makes the final decision. This page explains the program in general terms only.
- Where can I find current income limits and amounts?
- Income limits, benefit amounts and deadlines change, so check CookCountyAssessorIL.gov for the latest details.
Added October 21, 2026. BenefitSearch is not affiliated with Cook County Assessor's Office.