International Building Code
Oklahoma enforces the 2024 IBC as a statewide minimum
The 2024 International Building Code (IBC) has been in force in Oklahoma since Sep 14, 2026. It applies as a statewide minimum; local codes may go further. Adopted by Oklahoma Uniform Building Code Commission (OUBCC). The legal citation is OAC 748:20-2-1.
Record of adoption
Edition in force
2024 IBC
OUBCC Rules, IBC 2024 (OAC 748:20-2)
Verified
- In force since
- Legal citation
- OAC 748:20-2-1
- Adopted by
- Oklahoma Uniform Building Code Commission (OUBCC)
- Second reading
- Applies
- Statewide minimum; local codes may go further
- State amendments
- Major
- Also called
- OAC 748:20-2-1, 2026 09 14 IBC 2024 Permanent Rule
2018 IBC (effective Sep 14, 2021) was superseded Sep 14, 2026. 2021 edition was skipped. Amended by many OAC 748:20-2 sections (not itemized here).
How Oklahoma adopts the IBC
Same as NEC: technical committee advisory review with public comment, then Commission APA rulemaking under 59 O.S. 1000.23. Local governments may amend with Commission approval under 59 O.S. 1000.29.
Cycle. Irregular: 2009 IBC (2012), 2015 (2015), 2018 (2021), 2024 (2026).
How it was checked
Verified
Two separate readings of the state’s own record agree, and the passage is on file word for word.
Read twice: a second, blind reading of the state’s record agreed with the first on .
The state’s record was last read on , from three source pages.
Evidence 3 sources
Sources for the record itself come first, the state’s own records ahead of others. A label marks a source about something else, such as an exception. A source marked secondary is not the state’s own record.
“748:20-2-1.”
IBC 2024 Permanent Rule (748:20-2-1)Oklahoma Uniform Building Code Commissionoklahoma.gov (opens in a new tab)Administrative codeRetrieved International Building Code AdoptionsOklahoma Uniform Building Code Commissionoklahoma.gov (opens in a new tab)Agency pageRetrieved About how the state adopts codes
OUBCC Unofficial Copy of State Statutes, Title 59 Sections 1000.20 through 1000.31Oklahoma Uniform Building Code Commission (unofficial copy of 59 O.S.)oklahoma.gov (opens in a new tab)Statute, secondaryRetrieved
Tracker cross-checks
Code adoption trackers are a cross-check. They are not Oklahoma’s own record.
ICC’s code adoption mapCross-checkDoes not agree with the record
State Oklahoma 18 18 18 18 18 X 18 09 06 X 18 X X X (April 2026 chart, mitek copy, read as 2018 IBC)