How Censum works

The analytics behind your appeal.

1.58Mhomes scored
15 yrsof Board rulings
6signals per home
100%of savings are yours
over-assessed
Accuracy

Two ways to win, both tested

A home can be over-assessed two ways: priced above what similar homes sell for, or assessed higher than comparable homes. We test both and build your strongest case.

2 lanes market value + uniformity, tested on every home
0 historical win rate
Odds

Calibrated on real outcomes

Your odds are calibrated on 15 years of Cook County Board of Review rulings across 1.58M scored homes — a real number, never a guarantee.

~6 in 10 homeowner-filed single-family appeals historically won a cut
Packet

Ready to file

Comparable evidence, the numbers, and the paperwork — assembled and explained. You review, submit, and keep 100% of any savings.

$0 extra flat fee — no attorney, no cut of your savings
What goes into your score

Every signal, weighted into one number.

Comparable sales $/sq ft vs peers Sale-to-assessment Assessment history Prior appeal outcomes Neighborhood results SCORE YOUR ODDS 0

Nothing hidden — every signal behind your score is shown in your evidence packet.

See your home's odds.

Free to check. No email or signup to see your result.

Check my property

Censum is independent and not affiliated with any county. We provide analysis, not legal or tax advice. Based on real Cook appeal outcomes — not a guarantee; the Board of Review decides every appeal.