Regulatory framework
The code baseline for Harmon County.
Oklahoma state minimum codes adopted by the OUBCC: amended 2018 IBC, IRC, IECC, IMC, IFGC, IPC and related editions through September 13, 2026; 2024 editions become effective September 14, 2026. Hollis's municipal code adopts building regulations but does not identify a separate current edition list on the public pages.