What is a property tax assessment appeal in Cook County?

  • A property tax assessment appeal is a formal request to challenge the Cook County Assessor's or Cook County Board of Review's valuation of your property. The goal of an appeal is to prove that the county’s estimated market value is too high, which directly results in a lower property tax bill.

    • How it Works: Appeals are based on evidence—such as comparable sales, lack of uniformity in assessments, or physical property errors—to demonstrate that your current assessment is inaccurate.

    • Our Professional Approach: At Cook County Tax Appeals LLC, we manage this complex process using a multi-disciplinary approach:

      • Attorney-Driven Strategies: We utilize legal expertise to navigate the specific rules of the Cook County Board of Review.

      • CPA-Supported Valuations: Our team performs detailed financial analyses to ensure your property is valued fairly.

      • Advanced Data Modeling: We use data analyst models to scan the market and detect over-assessments that traditional methods might miss.

    • Commercial & Residential: Whether you own a home or a commercial property, identifying over-valuation is the first step toward significant tax savings.

Ready to see if you are overpaying? https://www.cookcountytaxappeal.com/appeal to determine if you qualify for a reduction. Our experienced team will manage the entire appeal process from start to finish.

Are You Overpaying?

Most Cook County homeowners are. Stop guessing and start saving.

Why Use Us?

  • 70% Higher Success Rate than the average attorney appeal (2025).

  • Instant Analysis of your property.

OUR FEE STRUCTURE

We work on a contingency basis:

  • 10% of your tax savings per year.

  • Max Fee: Capped at 25% total.

  • $0 Due if we don't lower your taxes.

FAST & EASY START

  1. Check your potential savings instantly.
  2. Sign Up with zero paperwork.
  3. Relax—we handle the Assessor, Board of Review & PTAB.