ParcelProof

Property tax appeals in Oak Park

The Cook County Assessor's own record of what happened to appeals filed on properties in Oak Park township.

24.0%of appeals won a reduction 23.3%–24.8% at 95%
12,850appeals decided 23 still open
7.1%typical cut, when one was won median over 3,086 reductions
Oak Park against the county as a whole: a real difference of 7.4 points — 24.0% here against 16.7% county-wide.

Does hiring someone help?

Appeals filed by the owner have done better here in every year on record.
2021: -11.42022: -5.02023: -6.32024: -6.02025: -1.42026: -9.3

Each year: how many percentage points better an agent did than an owner filing alone. Negative means the owner did better.

Firms that file on your behalf commonly take a third of the first year's saving. This is the county's own record of how the two groups actually did.

The reasons the Assessor gave

Every decision carries a stated reason. These are the ones that appear most often on Oak Park decisions, and how often each was attached to a reduction rather than a refusal.

Reason givenDecisionsReduced
This is a result of a market analysis of your property as well as an analysis of comparable properties. 11,517 23.6%
This is due to an analysis of the actual sale transaction of the property. 435 0.0%
This is due to income, market or cost analysis supporting the assessment. 335 0.0%
This is the result of an income, market or cost analysis. 193 100.0%
This is the result of a comparable sales analysis of your property. 65 100.0%

A reason seen fewer than 30 times shows no rate, for the same reason a township with a handful of appeals shows none.

All Cook County townships →

Source. Cook County Assessor, published appeal decisions (dataset y282-6ig3). Counted, not modelled. Undecided appeals are excluded from rates rather than counted as losses. Rates carry a 95% Wilson interval and none is shown below 30 decided appeals.