Who enforces each one, what edition applies, and what changes next. 5 of 8 state-level topic areas checked against primary sources. OSHA state plan: Arizona Division of Occupational Safety and Health (ADOSH), Industrial Commission of Arizona.
| 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. SourceChecked 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, 2026In force; 4 A.A.C. 36 (Supp. 26-1) read Oct 20, 2026: R4-36-201 adopts IFC 2024 with listed appendices, effective Apr 13, 2026 (32 A.A.R. 558). CONFLICT: DFFM State Statute and Fire Code page (read Oct 21, 2026) still says the office works under the 2012 IFC; the AHJ confirms which edition applies |
| Building | No statewide building code for private construction; counties (optional, A.R.S. 11-861) and cities adopt their own codes locallyCounties with zoning may adopt building, electrical, plumbing and mechanical codes for unincorporated zoned areas, from a national code body or the county's largest city (city changes adopted within 90 days). County fire codes must be at least as stringent as the state fire code. State-owned buildings are exempt from local building codes (A.R.S. 34-461, not re-read). SourceChecked on the source | City/town and county building officials; no state building-code agency for private buildings | In forceIn force; A.R.S. 11-861 re-read Oct 19, 2026 (county codes; fire codes at least as stringent as the state code; county refrigerant preemption) |
| Elevators | A.R.S. Title 23, Ch. 2, Art. 12 (Arizona Elevator Act) + A.A.C. R20-5 Article 5; R20-5-507 adopts ASME A17.1-2019 or A17.7-2007 for work on or after Jan 1, 2023 (final rule 29 A.A.R. 512, effective Jan 9, 2023)ICA schedules annual inspections by state or approved third-party inspectors and issues certificates of operation once violations are corrected. Units installed or altered before 2023 may follow 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 forceICA Elevator Safety page re-read Oct 26, 2026: annual inspection scheduling; no edition, fee or rule change posted. 20 A.A.C. 5 is at Supp. 26-3 (Sept 30, 2026); Article 5 edition text could not be confirmed on the primary page |
| 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 boilers: annual internal certificate inspection plus external about six months apart; high-temperature water boilers yearly; low-pressure heating boilers and jacketed kettles every two years; hot-water boilers to 160 psi/250F and large lined heaters: initial only. Certificate posted on site (R20-5-407). No state boiler-operator license. SourceChecked 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 forceIn force; ICA Boiler Safety FAQ re-read Oct 26, 2026 (power boilers: annual internal plus external about six months apart; low-pressure heating boilers every two years; lined hot-water heaters initial inspection only; certificate posted per R20-5-407); no 2026 change listed |
| 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 semipublic (R18-5-201). ADEQ design approval before construction and Approval of Construction before operation (R18-5-203/-204); R18-5-208 amended effective Mar 7, 2025 (31 A.A.R. 985). Counties issue operating permits. ADHS Article 8 operating-rule text not yet read. SourceReported, in verification | 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 force18 A.A.C. 5 (Supp. 25-1) re-read Oct 22, 2026 on the Secretary of State copy: hotel pools are semipublic; ADEQ design and construction approvals; R18-5-208 amended effective Mar 7, 2025. ADHS Article 8 operating rules and county permits could not be confirmed on the primary page |
| Lodging | 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 (read on a secondary copy of the text). SourceReported, in verification | ADHS or delegated local health / county environmental departments (A.R.S. 36-136(E)) | In forceLast attempted Oct 18, 2026 (Article 13 text not extractable); 9 A.A.C. 8 could not be opened Oct 19-20, 2026 |
| Workplace | State Plan: Arizona Division of Occupational Safety and Health (ADOSH), Industrial Commission of Arizona - private sector plus state and local governmentADOSH covers private-sector workplaces and state and local government employers. Federal employers, USPS, maritime, Indian reservations, copper smelters and some mine-related plants stay under federal OSHA. ADOSH adopts federal standards by reference and has some state-specific standards. SourceChecked on the source | ADOSH (Industrial Commission of Arizona); federal OSHA for excluded employers and issues | Comment deadline Oct 1, 2026osha.gov State Plan page re-read Oct 19, 2026. ICA rulemaking page (read Oct 21, 2026) still lists R20-5-603/604 as proposed (Register p. 1916) with no final rule; possible Article 4 boiler and Article 5 elevator fee-schedule rulemakings listed with no activity |
| Environmental | ADEQ: UST notification/registration and release reporting (A.R.S. Title 49 Ch. 6, A.A.C. R18-12); air registration/permit with listed emergency-engine and small-boiler exemptions; asbestos NESHAP notice to ADEQ (Maricopa, Pima, Pinal run fee-based county notification); AZPDES SSO report form. Federal baseline: SPCC, EPCRA Tier II, HFC leak repair, RICE ZZZZ, 40 CFR 280UST owners notify ADEQ in writing at least 30 days before a new tank operates and within 30 days after new piping or under-dispenser containment (A.R.S. 49-1002). Releases or suspected releases: notice within 24 hours, written report within 14 days (49-1004). Emergency engines under 500 hr/yr and emergency boilers under 10 MMBtu/hr listed exempt. Asbestos notice 10 working days ahead. SourceChecked on the source | Arizona Department of Environmental Quality (UST, air, asbestos, AZPDES); Maricopa, Pima and Pinal counties for their own asbestos notification and air permitting; U.S. EPA for federal baseline; local sewer utilities | In forceA.R.S. 49-1002 and 49-1004 read Oct 20, 2026 (azdeq.gov pages could not be opened Oct 19-20; air-exemption and asbestos points last read Oct 18, 2026). Next Tier II filing March 1, 2027; HFC leak detection Jan 1, 2027 |
What our record said before and after each change, with the date and the official source. A change to the record is not by itself a change in the law: an edition, a date or a source may have been corrected or made more precise. Confirm the current text with the authority.
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. Enforced by: 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.
No statewide building code for private construction; counties (optional, A.R.S. 11-861) and cities adopt their own codes locally. Counties with zoning may adopt building, electrical, plumbing and mechanical codes for unincorporated zoned areas, from a national code body or the county's largest city (city changes adopted within 90 days). County fire codes must be at least as stringent as the state fire code. State-owned buildings are exempt from local building codes (A.R.S. 34-461, not re-read). Enforced by: City/town and county building officials; no state building-code agency for private buildings.
Elevators: Industrial Commission of Arizona, ADOSH Elevator Safety Section (state and approved third-party inspectors) (A.R.S. Title 23, Ch. 2, Art. 12 (Arizona Elevator Act) + A.A.C. R20-5 Article 5; R20-5-507 adopts ASME A17.1-2019 or A17.7-2007 for work on or after Jan 1, 2023 (final rule 29 A.A.R. 512, effective Jan 9, 2023)). Boilers: 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) (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)).
Arizona runs an OSHA-approved state plan: Arizona Division of Occupational Safety and Health (ADOSH), Industrial Commission of Arizona. The state agency enforces workplace safety rules for most private employers.
Workplace: Comment deadline Oct 1, 2026 (osha.gov State Plan page re-read Oct 19, 2026. ICA rulemaking page (read Oct 21, 2026) still lists R20-5-603/604 as proposed (Register p. 1916) with no final ru); Jan 1, 2027: Automatic leak detection on existing 1,500 lb+ HFC commercial refrigeration; Jan 11, 2027: 58th Legislature, 1st Regular Session convenes (second Monday in January) - watch fire-code, building-code, elevator, pool and lodging bills.
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