# Chicago, IL — adopted code | BV360 Pre-Flight

City of Chicago Title 17 residential zoning rules Pre-Flight can check.

## Rules Pre-Flight can check

- [Chicago RS1/RS2/RS3 residence standards](https://preflight.bv360.app/codes/chicago/residential-districts) — Lot, FAR, height, and setbacks

Official source: Chicago adopted code (https://codelibrary.amlegal.com/codes/chicago/latest/chicagozoning_il/0-0-0-48750).

These pages explain what Pre-Flight checks. Always confirm the adopted text on the city's official site.

Pre-Flight is not a permit, not legal advice, and not a substitute for a licensed design professional or the authority having jurisdiction. The city still decides.