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Code library

Naperville, IL
adopted code.

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

337 adopted sections loaded — Zoning · Building · Fire · Utilities · GIS

Rules Pre-Flight can check

Naperville R1A/R1 residence standardsLot, yard, and height standards→Naperville building code2024 IRC/IBC editions→

Official source

Naperville adopted code

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

Check a set against the code →

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.