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

City of Darien residence-district rules Pre-Flight can check.

## Rules Pre-Flight can check

- [Darien garage / alley setback](https://preflight.bv360.app/codes/darien/garage-alley-setback) — Garage placement relative to alley
- [Darien R-1/R-2/R-3 residence standards](https://preflight.bv360.app/codes/darien/residence-districts) — Lot, yard, height, coverage
- [Darien accessory buildings](https://preflight.bv360.app/codes/darien/accessory) — Garage/shed yards and coverage
- [Darien building code](https://preflight.bv360.app/codes/darien/building-code) — 2021 IRC/IBC and local amendments

Official source: Darien adopted code (https://codelibrary.amlegal.com/codes/darienil/latest/darien_il/0-0-0-1935).

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.