Regulatory framework
The code baseline for Graham County.
For the Hill City municipal fallback, the current 2026 S-4 code compilation identifies the 2006 International Building Code, 2008 National Electrical Code, and 1991 Uniform Plumbing Code as adopted editions. The code compilation also includes city requirements for mechanical/gas work, permits, posting, inspections, and contractor licensing; no newer 2026 technical-code edition was identified.