Am I over-assessed — and is it worth it?
How much can I save by appealing my Cook County property taxes?
It varies with how over-assessed you are, but the savings are real and recurring. Among strongly over-assessed Cook County homes, the median achievable annual saving is about $1,714 for a single-family house and $809 for a condo — every year until the next reassessment, not once.
Because you file your own appeal on the free county portal, you keep 100% of that saving. A contingency service would take a quarter to a half of the first year. Check your address to see your own estimate.
Check your address — freeSee your own assessment math before you file. You keep 100%.