Comparable analysis
Every qualifying match with the property and assessment details that matter.
Cook County property assessment appeals
The smarter way to DIY your Cook County appeal.
Filing the appeal is straightforward. Finding the right comps and building a defensible case is the hard part.
Simple Tax Appeal analyzes Cook County assessment data, evaluates comparable properties, calculates the requested value the evidence supports, and builds your filing package.
You file it. We do the research.
No account, password, or card to check
Real Cook County property and assessment data
See actual comparable evidence before paying
$49 flat if you decide to file. One purchase covers both the Assessor and Board of Review stages. Keep 100% of any savings.
Money-back guarantee on qualifying appeals. Guarantee terms
See before you buy
See your case before you pay.
Check your property and see what the data actually finds.
We show you real comparable evidence before asking you to buy the complete filing package.
See one complete match free. If you want to file, unlock the complete package for $49.Example free result
Evidence found6 qualifying comparable properties found
Strongest favorable signal
One is assessed 26% lower per sq. ft.
Current assessment
$55,800
Comp-supported value
$46,600
Comparable rate
26% lower
One complete property match
Address, PIN, physical fit, assessment details
FREEIllustrative preview. Your actual result is calculated from your property and current Cook County data.
How it works
- 1
Check your property free
No email or card required.
- 2
See one complete match free
Verify your email to see the actual comparable evidence.
- 3
Unlock the complete package for $49
Get all qualifying comps, the requested-value analysis, and both Assessor + Board of Review filing materials.
Better analysis
The lowest assessment isn't always the best comp.
A very low assessment can look attractive and still make a weak comparison.
Simple Tax Appeal evaluates similarity as well as assessment level, then ranks the strongest defensible evidence the data supports.
Not simply the cheapest property.
Not a random list of nearby homes.
Comparable evidence selected to build a credible case.
The complete filing package
Everything you need to file the case.
$49 once. No second charge if you continue to the Board of Review.
Requested-value calculation
The assessed value supported by the comparable evidence.
Filing-ready materials
Evidence, filing language, upload guidance, and exact submission steps.
Both Cook County appeal stages
Assessor and Board of Review materials are included for that property and assessment year.
A better middle option
Serious DIY without doing all the research yourself.
You can pull Cook County records and build the case manually.
You can hire someone else to handle the appeal and often pay substantially more.
Or you can let purpose-built software do the analytical work, file the appeal yourself, and keep 100%.
DIY alone
Simple Tax Appeal
Full-service appeal
Comp research
You research
Software analyzes
They handle it
Build filing materials
You build them
Included
Included
Who files
You
You
They do
Cost
Free + your time
$49 flat
Often substantially more / may involve a share of savings
Savings kept
100%
100%
Depends on provider
Built for this job
Purpose-built for Cook County.
Simple Tax Appeal is built specifically for Cook County property assessment appeals and backed by decades of experience building data systems, analytical software, and complex decision-support tools.
We use Cook County property and assessment records, explain our data and methodology, let you inspect real evidence before buying, and show you the filing package before you decide.
Start with the evidence
Check first. Buy only if the evidence is worth filing.
There is no charge to check your property.
If the evidence gives you a case you want to pursue, $49 unlocks the complete analysis and filing package for both Cook County appeal stages.
You file it yourself. You keep 100% of any savings.
Qualifying appeals are backed by our money-back guarantee.