ParcelProof

Property tax appeals in Northfield

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

21.3%of appeals won a reduction 20.8%–21.8% at 95%
21,568appeals decided 2,073 still open
6.4%typical cut, when one was won median over 4,593 reductions
Northfield against the county as a whole: a real difference of 4.6 points — 21.3% 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: -6.32022: -10.52023: -17.22024: -6.22025: -2.2

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 Northfield 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. 19,745 21.0%
This is due to an analysis of the actual sale transaction of the property. 691 0.0%
This is due to income, market or cost analysis supporting the assessment. 423 0.0%
This is the result of an income, market or cost analysis. 249 100.0%
This is due to your property's uniformity with comparable properties. 126 0.0%

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.