Back to all FAQs

What evidence should I submit?

Submit clear, organized evidence showing the assessed value is too high: assessment notice, property record card, interior/exterior photos, repair estimates, comparable sales or assessments, a professional appraisal if available, and—for commercial—income and expense data.

Want to know if your assessment is too high? Check your property free →

Are You Overpaying?

Is your assessment too high? Check your potential savings in under a minute.

ATTORNEYS & CPAs, EVERY VENUE

  • In 2025 our clients were 1.7 times as likely to win a reduction at the Assessor, and 1.3 times as likely at the Board of Review, as clients of attorneys with 100+ decided residential appeals (2.2 times at the Assessor in 2026 so far, as of October 29, 2026).

  • Instant property analysis from county data

  • Licensed Illinois tax attorneys & CPAs

  • Every level: Assessor → Board of Review → PTAB or Circuit Court

How a Cook County property tax appeal works, step by step ->

Source: Cook County Assessor and Board of Review public appeal records. Past results do not guarantee a similar outcome.

About Us

No Upfront Fees

$0 Upfront cost — no fee unless your assessment is reducedOur fee is 25% of first-year savings, only if your assessment is reduced.

View Pricing Details

Still Have Questions?

Our team is ready to help with a free consultation.

Contact Us