Who enforces each one, what edition applies, and what changes next. 5 of 7 areas verified on primary sources. OSHA state plan: Arizona Division of Occupational Safety and Health (ADOSH), Industrial Commission of Arizona - covers private sector and state/local government employers.
| Area | In force | Authority | Next |
|---|---|---|---|
| Fire | State Fire Code: IFC 2024 (with listed appendices) as modified by A.A.C. R4-36 Article 3, effective Apr 13, 2026 (R4-36-201, 32 A.A.R. 558)Statewide minimum fire code adopted by the state forester through the State Fire Marshal (A.R.S. 37-1383); replaced IFC 2018. Cities of 100,000+ with their own code may assume enforcement by ordinance; local codes must be equal or stricter. SourceVerified on the source | DFFM Office of the State Fire Marshal: statewide enforcement and plan review for state, county and public-school buildings and areas without a local fire code; cities of 100,000+ that assumed jurisdiction (and other local fire officials) enforce their own adopted codes | IFC 2024 since Apr 13, 2026 |
| Building | No statewide building code for private construction; counties (optional, A.R.S. 11-861) and cities adopt their own codes locallyCounties may adopt a building code for zoned unincorporated areas, drawn from national codes or the largest city's code; rural/unclassified zones can be exempt. State-owned buildings are exempt from local building codes (A.R.S. 34-461). SourceVerified on the source | City/town and county building officials; no state building-code agency for private buildings | In force |
| Elevators | A.R.S. Title 23, Ch. 2, Art. 12 + A.A.C. R20-5 Article 5; R20-5-507 adopts ASME A17.1-2019 or A17.7-2007 (amended effective Jan 9, 2023, per LII/Justia mirrors)ICA schedules annual inspections by state or third-party inspectors and issues certificates of operation once violations are corrected. New installations since Jan 1, 2023 follow A17.1-2019 or A17.7-2007; older units may use earlier editions. No A17.3 adoption found. SourceReported, in verification | Industrial Commission of Arizona, ADOSH Elevator Safety Section (state and approved third-party inspectors) | In force |
| Boilers | Arizona Boiler Act (A.R.S. Title 23, Ch. 2, Art. 11) + A.A.C. R20-5 Article 4 (boilers, lined hot-water heaters, direct-fired jacketed steam kettles)Power and high-temperature water boilers: yearly internal plus external inspection; low-pressure heating boilers and jacketed kettles: every two years; hot-water boilers up to 160 psi/250F and large lined heaters: initial only. Certificate posted on site. SourceVerified on the source | ICA/ADOSH Boiler Safety Section; since Jul 1, 2017 certificate inspections are performed only by authorized third-party or insurer inspection agencies (A.R.S. 23-485) | In force |
| Pools | ADEQ design/construction rules A.A.C. R18-5-201 to -251 + ADHS operation/sanitation rules A.A.C. R9-8-801 to -852Hotel, resort, apartment and condo pools are semi-public. ADEQ issues Approval to Construct and Approval of Construction; counties (e.g., Maricopa) issue operating permits. R18-5-208 amended effective Mar 7, 2025; ADHS Article 8 last amended Jul 8, 2020. SourceVerified on the source | ADEQ Engineering Review (construction approvals; delegated agencies take some filings); county environmental health for operating permits; ADHS sets operating rules (A.R.S. 36-136(I)(10)) and may delegate (36-136(E)) | In force |
| Lodging | No state hotel license identified; ADHS lodging-establishment sanitation rules, A.A.C. R9-8-1301 et seq. (Article 13), under A.R.S. 36-136(I)(8)Applies to places renting 2+ units for stays under 30 days (owner-occupied 6 or fewer units and federal/tribal land excluded): bathrooms, common areas, water, sewage, refuse, unit upkeep; violations are public-health nuisances. Amended effective Mar 6, 2019 (mirror). SourceReported, in verification | ADHS or delegated local health / county environmental departments (A.R.S. 36-136(E)); no state hotel-licensing agency identified | In force |
| Workplace | State Plan: Arizona Division of Occupational Safety and Health (ADOSH), Industrial Commission of Arizona - private sector plus state and local governmentCovers all private-sector workplaces plus state and local government employers; federal employers, USPS, maritime, tribal lands, copper smelters and a few other listed operations remain under federal OSHA. SourceVerified on the source | ADOSH (Industrial Commission of Arizona); federal OSHA for excluded employers and issues | Comment deadline Oct 1, 2026 |
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