The City of Orange Plans & Inspections Division is responsible for the inspection of construction projects to determine compliance with the building codes and ordinances as well as the approved site plans.
The City of Orange has adopted the 2021 International Building Codes (IRC, IBC, IFC, IECC, IPC, IMC, IFGC, IEBC, IPMC, and ISPSC) and the 2023 National Electric Code, which can be viewed here: https://codes.iccsafe.org/codes/i-codes/2021-icodes