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

City of Naperville residential zoning and building rules Pre-Flight can check.

## Rules Pre-Flight can check

- [Naperville R1A/R1 residence standards](https://preflight.bv360.app/codes/naperville/residence-districts) — Lot, yard, and height standards
- [Naperville building code](https://preflight.bv360.app/codes/naperville/building-code) — 2024 IRC/IBC editions

Official source: Naperville adopted code (https://library.municode.com/il/naperville/codes/code_of_ordinances?nodeId=TIT6ZORE).

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.