Civic Worth is in beta. It’s assembled automatically from public records and can be wrong. Check the official source before you rely on it, and tell us what’s wrong, or see what we’ve corrected.

Civic data guides

Plain-language guides to reading the public record — who owns a property, how to read a zoning district, what a building-code violation means. Each one ends where it should: a live lookup for your own address.

How to find out who owns a propertyThe three official routes to the owner of record in Franklin and Cook counties — and how to start from an address.
Chicago building code violations: look up any addressThe OPEN/COMPLIED violation lifecycle, what a violation means, and how to look up any Chicago address.
The Chicago zoning ordinance, explainedHow to read a Chicago zoning district string — the letters, the numbers, and what each family allows.
How to appeal a Cook County assessmentThe triennial cycle, the two free appeal levels, and the grounds that win — before the 2027 City reassessment.
What is my property zoned?Find your zoning district in Columbus and Chicago, and what it controls — starting from your address.