Enter your Property Index Number (PIN) below to get FREE comparable properties generated by our advanced AI. Identify neighbors who have successfully appealed their property taxes.

Don't know your PIN? Find it here.

Coming Soon: DuPage, Lake & Will counties!

We empower Cook County property owners with AI and data insights to reduce their 2025 taxes 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.

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 confirmed many property owners can lower their taxes.
  • Scope: Currently supports 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.
  • 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.