Harwood Heights property tax appeals: deadlines and a free assessment check
Is your Harwood Heights home assessed higher than similar homes nearby? Check in a minute, then file yourself for free.
Free. No sign-up. Compares your home with the 5 to 10 most similar homes nearby, from the Assessor's own data.
Norwood Park Township All of Harwood Heights
The 2026 appeal windows for Norwood Park have closed. You can still check the comps now and file next year.
- Cook County Assessor notices mailed April 13, 2026; appeals due May 26, 2026. File at the Assessor
- Board of Review opens August 3, 2026; closes September 1, 2026. File at the Board
Last year 865 Norwood Park Township homeowners filed their own Board of Review appeal and 68% won a reduction.
What to do
- Run the free check above. It compares your assessed value per square foot with similar homes in your assessment neighborhood.
- If yours looks high, get the evidence kit from the result page: the comps in the Board's format, recent sales, and a statement to paste into the form.
- File online at the office whose window is open. Filing is free at both. You type the complaint yourself; only you or an Illinois attorney can file for your home.
- Leave an email on the result page and we'll remind you a week and three days before the deadline.
New to this? Read how to appeal, step by step.