Exclusively for Cook County

Stop Overpaying on Your Property Taxes

We use advanced AI to find the best comparable properties (comps) for your appeal. Get the evidence you need to lower your assessment instantly.

  • ✅ 100% Free to check
  • ✅ Instant AI Analysis
  • ✅ Data-backed evidence for your appeal

Get Your Free Report

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Coming Soon: DuPage, Lake & Will counties!

Empower Cook County property owners to reduce their 2025 taxes and property tax law firms to increase their success rate. We provide free comparables based on AI and data insights by leveraging all 2024 successful Assessor and Board appeals.
+75K successful Assessor appeals
+45K successful Board appeals

How It Works in 3 Simple Steps

1. Enter Your PIN

Provide your 14-digit Cook County Property Index Number.

2. AI Analyzes Data

Our algorithm processes 100+ factors to find the comparable properties.

3. Get Your Comps

Receive a list of comparable properties optimized for property tax appeals.

Check for Free, Upgrade For Evidence

Start with a free check to see if you are over-assessed. Upgrade to get the evidence report that will help with your appeal.

Feature
Discovery

Basic

Free
Evidence

Premium

Recommended
Purpose Check your Assessment Find Evidence
AI-Selected Comparables 2 (Sample Only) 10
Successful Appeal Data Partial Full
Similarity Score Analysis - ✓
Assessed Value Per Sq. Ft. Analysis - ✓
Distance to Subject Property - ✓
Map View ✓ ✓
PDF Report × ✓ Included
See Sample
Support - Email
Get Free Check Get Premium Report

Why Use Our AI Comparables?

AI Precision

Our AI considers over 100 property characteristics, going far beyond simple square footage or location. We use a sophisticated vector search algorithm for deeper matching.

Save Money on Taxes

Accurate comparables are essential for a successful property tax appeal. Our service provides the evidence you need, potentially saving you hundreds or thousands.

Fast & Free

Get your results instantly without complex searches or expensive subscriptions. This tool is currently free for Cook County homeowners.

Unique Insights

See if your neighbors have successfully appealed before and who represented them, providing valuable context for your own appeal strategy.

What Users Are Saying

"This tool found comps I never would have considered. Helped my appeal!" - C. M.
"Finally, a modern way to look at property comparables for tax appeals." - V. S.
"So easy to use and the AI approach makes sense. Highly recommend." - A. A.

Important Information

  • Current State: Cook County Treasurer May 2025 "A Broken Property Tax Appeals System" report & dashboard provide a good overview of this topic.
  • Scope: Currently we support Residential & Condominium PINs in Cook County only (Commercial PINs are not supported).
  • Comparables Approach: Our AI finds the most similar properties across the entire county, regardless of township, tax code, or property class boundaries traditionally used. This provides a unique, data-driven perspective.
  • Cookies: Essential cookies are used for site functionality. By using the site, you consent to their use. Manage Consent Preferences.
  • Public Data: There are known problems with data integrity.
  • Disclaimer: This service provides informational comparables based on available public data and AI analysis. It is not legal or tax advice. Consult with a qualified professional for tax appeal guidance.