What building codes apply in Oklahoma?

Oklahoma has adopted 8 active building codes, including editions of the 2023 National Electrical Codewith 2024 Oklahoma Amendments, 2018 International Residential Code with 2022 Oklahoma Amendments, 2018 International Existing Building Code with 2021 Oklahoma Amendments. Use the list above to verify the specific year and edition for your project.

No, Oklahoma generally mandates statewide building code adoption, ensuring consistent construction standards across all jurisdictions.

Most states, including Oklahoma, review and adopt new building code editions every 3 to 6 years, typically following the triennial publication cycles of the ICC and NFPA.

Oklahoma's current building code adoption is based on the 2023 edition cycle. Check the code cards above for specific edition years for each code type (IBC, IRC, IFC, etc.).

Oklahoma publishes statewide amendments. The amendment type for each code is indicated by the badge (As Is, State Amended, or State Edition) on each code card above.

Permit requirements in Oklahoma depend on the locally adopted building codes shown above. Contact your local building department for specific permit thresholds and submittal requirements. The code edition in effect on your permit application date determines which requirements apply to your project.