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Cook County letter check

Got an Ownwell letter about your Cook County property taxes?

Before you agree to a percentage-based fee, check the official township deadline and see the comparable-property evidence behind your assessment.

Check my property ->View appeal deadlines

Lakeview Township is open for appeals until July 13, 2026, according to the Cook County Assessor calendar. Always confirm your exact deadline with the county before filing.

Estimate vs. evidenceWhat to verify first
1

Confirm your township window on the official Assessor calendar.

2

Compare your assessment against nearby public-record comps.

3

Run the fee math before you agree to a percentage of savings.

Why you got the letter

A mailer can mean your property matched a model. It does not prove your appeal is strong.

Property-tax companies mail homeowners when public assessment data suggests there may be appeal potential. That can be a useful signal, but it is still a signal. Before deciding, look at the deadline, the comparable properties, and the fee structure.

OverTaxed IL is built around showing the work: public Cook County records, comparable assessments, and the filing window for your township.

Before signing anything

Four checks to run first.

✓

What is your township's official appeal deadline?

✓

Which comparable properties make your assessment look high?

✓

How much of any savings would the service keep?

✓

Are you buying a tool, requesting filing help, or hiring representation?

Fee math

A percentage fee sounds small until the savings are yours.

If your letter quotes a 25% first-year savings fee, here is the simple comparison on a $1,000 reduction example.

Question
Ownwell-style percentage fee
OverTaxed IL flat tiers
If first-year savings are
$1,000
$1,000
Example percentage fee
$250 at 25%
$0 contingency fee on the flat DIY tier
Flat OverTaxed option
Not the model
$69 DIY packet or $97 done-for-you filing
What you should understand
The estimate and fee terms in the letter
The comps, deadline, and filing path before you pay

OverTaxed IL also has a separately reviewed contingency path for certain cases at 22% of first-year savings. The flat DIY and done-for-you tiers are the standard self-service options.

Transparency wedge

Do not rely only on a black-box savings estimate.

A single savings number is not the same as evidence. The useful question is whether similar nearby homes are assessed lower than yours, and whether your township window is still open.

See my comps ->Official Cook County Assessor calendar
FAQ

Common questions after a tax appeal mailer.

Is this an attack page?
No. Ownwell and similar services may be useful for some homeowners. This page is for Cook County homeowners who want to understand the deadline, evidence, and fee math before they sign anything.
Is OverTaxed IL a law firm?
No. OverTaxed IL is not a law firm and does not provide legal or tax advice. We organize public Cook County records into a clearer assessment and comparable-property workflow.
Do you file for me?
The DIY packet is self-filed. The done-for-you tier is a filing-help option after you provide explicit authorization. Complex or attorney-required matters are outside the normal flat-fee tool path.
What if I already hired a contingency service?
Read your agreement before doing anything else. If you are already under contract, do not assume you can file separately or switch services without checking the terms you accepted.
Free check

Check your property before you sign away savings.

Enter your PIN or address. We will compare your assessed value to nearby public-record comps and show your township appeal status.

Check my property in 60 seconds ->
No signup. No credit card. Not a law firm. No guaranteed reduction.
● OverTaxed IL
Cook County property tax appeals, built for homeowners.
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About

OverTaxed IL is not a law firm and does not provide legal advice. Estimates are based on public Cook County Assessor records and may vary from final Board of Review outcomes.

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