| IBC — International Building Code | 2018 IBC — BUT ONLY FOR FACTORY-BUILT BUILDINGS. ARIZONA HAS NO GENERAL STATEWIDE BUILDING CODE, AND THAT NEGATIVE IS THE PRIMARY FINDING ON THIS ROW. For ordinary site-built construction there is no state-adopted IBC of any edition: adoption is entirely local and entirely permissive. The ONE statewide instrument in Arizona law that names the International Building Code is A.A.C. R4-34-102 (Board of Manufactured Housing / Office of Manufactured Housing, Arizona Department of Housing), which incorporates by reference "International Building Code (IBC), 2018 edition" published by the International Code Council. THE INCORPORATION IS FROZEN BY ITS OWN TERMS: R4-34-102 opens "The following materials are incorporated by reference, apply to this Chapter, include no later amendments or editions" — so the 2018 IBC does NOT roll forward when ICC publishes a new edition; it stays 2018 until the Board amends the rule. Companion editions incorporated in the same rule: 2018 IRC, 2018 IMC, 2018 IPC, 2018 IFGC, 2018 IECC, 2017 NEC (NFPA), and FEMA P-85 "Protecting Manufactured Homes from Floods and Other Hazards", 2nd ed. (Nov 2009). Authority is A.R.S. s 41-4010(A)(13); the incorporation was last amended by final rulemaking at 26 A.A.R. 3327, EFFECTIVE JANUARY 31, 2021 (Supp. 20-4), which is the effective_date recorded. R4-34-603(A) and R4-34-705(A) route factory-built-building and accessory-structure construction to "applicable standards in R4-34-102". A future run should NOT read this row as "Arizona: 2018 IBC" — it is "Arizona: 2018 IBC for factory-built buildings only, and nothing statewide for anything else." | A.A.C. R4-34-102 (Board of Manufactured Housing, incorporation by reference; authority A.R.S. s 41-4010(A)(13); amended by final rulemaking at 26 A.A.R. 3327, effective 1-31-2021, Supp. 20-4); no general statewide adoption — delegation left local by A.R.S. s 11-861(A) (counties, permissive) and A.R.S. s 9-802 (municipalities, adoption by reference procedure); state-owned buildings exempt from local building codes by A.R.S. s 34-461 · source ↗ |
| IECC — International Energy Conservation Code | 2018 IECC — BUT ONLY FOR FACTORY-BUILT BUILDINGS AND MANUFACTURED-HOUSING ACCESSORY STRUCTURES. ARIZONA HAS NO GENERAL STATEWIDE ENERGY CODE, AND THAT NEGATIVE IS THE PRIMARY FINDING ON THIS ROW. For ordinary site-built residential and commercial construction there is no state-adopted IECC of any edition; adoption is entirely local and entirely permissive (A.R.S. s 11-861(A) counties, A.R.S. s 9-802 municipalities). The ONE Arizona rule that adopts a numbered IECC edition is A.A.C. R4-34-102(6) (Board of Manufactured Housing / Office of Manufactured Housing, Arizona Department of Housing), verbatim: "International Energy Conservation Code (IECC), 2018 edition, available from the International Code Council, 4051 Flossmoor Road, Country Club Hills, IL 60478 or iccsafe.org". THE INCORPORATION IS FROZEN BY ITS OWN TERMS: the rule opens "The following materials are incorporated by reference, apply to this Chapter, include no later amendments or editions" — the 2018 IECC does NOT roll forward when ICC publishes a new edition. A future run must NOT read this row as "Arizona: 2018 IECC" — it is "Arizona: 2018 IECC for factory-built buildings only, and nothing statewide for anything else." | A.A.C. R4-34-102(6) (Board of Manufactured Housing, incorporation by reference; authority A.R.S. s 41-4010(A)(13); amended by final rulemaking at 26 A.A.R. 3327, effective 1-31-2021, Supp. 20-4). No general statewide energy code: A.R.S. s 34-451(A) delegates edition-less standards for state capital projects to the Governor's energy office; adoption for all other construction is left local by A.R.S. s 11-861(A) (counties, permissive) and A.R.S. s 9-802 (municipalities). · source ↗ |
| IFC — | 2024 IFC | A.A.C. R4-36-201 (authority A.R.S. § 41-2146) · source ↗ |
| IMC — International Mechanical Code | 2018 IMC — BUT ONLY FOR FACTORY-BUILT BUILDINGS AND MANUFACTURED-HOUSING ACCESSORY STRUCTURES. ARIZONA HAS NO GENERAL STATEWIDE MECHANICAL CODE, AND THAT NEGATIVE IS THE PRIMARY FINDING ON THIS ROW. For ordinary site-built construction there is no state-adopted mechanical code of any kind and no edition of the IMC governs; adoption is entirely local and entirely permissive (A.R.S. s 11-861(A) counties, A.R.S. s 9-802 municipalities). The ONE Arizona rule that adopts a numbered IMC edition is A.A.C. R4-34-102(3) (Board of Manufactured Housing / Office of Manufactured Housing, Arizona Department of Housing), verbatim: "International Mechanical Code (IMC), 2018 edition, available from the International Code Council, 4051 Flossmoor Road, Country Club Hills, IL 60478 or iccsafe.org". THE INCORPORATION IS FROZEN BY ITS OWN TERMS: the rule opens "The following materials are incorporated by reference, apply to this Chapter, include no later amendments or editions, and are available on the Board's website" — the 2018 IMC does NOT roll forward when ICC publishes a new edition; it stays 2018 until the Board amends the rule. A future run must NOT read this row as "Arizona: 2018 IMC" — it is "Arizona: 2018 IMC for factory-built buildings only, and nothing statewide for anything else." | A.A.C. R4-34-102(3) (Board of Manufactured Housing, incorporation by reference; authority A.R.S. s 41-4010(A)(13); amended by final rulemaking at 26 A.A.R. 3327, effective 1-31-2021, Supp. 20-4), with exceptions at A.A.C. R4-34-103 (none applying to the IMC) and scope routing at R4-34-603(A), R4-34-605 and R4-34-705(A). No general statewide mechanical code: adoption is left local by A.R.S. s 11-861(A) (counties, permissive) and A.R.S. s 9-802 (municipalities, adoption by reference procedure); state-owned buildings are exempt from local building codes by A.R.S. s 34-461; local jurisdictions may petition the Board for an exception under A.R.S. s 41-4010(D). · source ↗ |
| IPC — International Plumbing Code | 2018 IPC — BUT ONLY FOR FACTORY-BUILT BUILDINGS AND MANUFACTURED-HOUSING ACCESSORY STRUCTURES. ARIZONA HAS NO GENERAL STATEWIDE PLUMBING CODE, AND THAT NEGATIVE IS THE PRIMARY FINDING ON THIS ROW. For ordinary site-built construction there is no state-adopted plumbing code of any kind — no IPC, no UPC — and adoption is entirely local and entirely permissive (A.R.S. s 11-861(A) counties, A.R.S. s 9-802 municipalities). The ONE Arizona rule that adopts a numbered plumbing edition is A.A.C. R4-34-102(4) (Board of Manufactured Housing / Office of Manufactured Housing, Arizona Department of Housing), verbatim: "International Plumbing Code (IPC), 2018 edition, available from the International Code Council, 4051 Flossmoor Road, Country Club Hills, IL 60478 or iccsafe.org". THE INCORPORATION IS FROZEN BY ITS OWN TERMS: the rule opens "The following materials are incorporated by reference, apply to this Chapter, include no later amendments or editions" — the 2018 IPC does NOT roll forward when ICC publishes a new edition. A future run must NOT read this row as "Arizona: 2018 IPC" — it is "Arizona: 2018 IPC for factory-built buildings only, and nothing statewide for anything else." | A.A.C. R4-34-102(4) (Board of Manufactured Housing, incorporation by reference; authority A.R.S. s 41-4010(A)(13); amended by final rulemaking at 26 A.A.R. 3327, effective 1-31-2021, Supp. 20-4). No general statewide plumbing code: adoption is left local by A.R.S. s 11-861(A) (counties, permissive) and A.R.S. s 9-802 (municipalities, adoption by reference procedure); state-owned buildings are exempt from local building codes by A.R.S. s 34-461. · source ↗ |
| IRC — International Residential Code | 2018 IRC — BUT ONLY FOR FACTORY-BUILT BUILDINGS, MANUFACTURED-HOUSING RECONSTRUCTION AND ACCESSORY STRUCTURES. ARIZONA HAS NO GENERAL STATEWIDE RESIDENTIAL CODE, AND THAT NEGATIVE IS THE PRIMARY FINDING ON THIS ROW. For an ordinary site-built Arizona house there is no state-adopted IRC of any edition; adoption is entirely local and entirely permissive (A.R.S. s 11-861(A) counties, A.R.S. s 9-802 municipalities). The ONE Arizona rule that adopts a numbered IRC edition is A.A.C. R4-34-102(2) (Board of Manufactured Housing / Office of Manufactured Housing, Arizona Department of Housing): "International Residential Code (IRC), 2018 edition". THE INCORPORATION IS FROZEN BY ITS OWN TERMS: R4-34-102 opens "The following materials are incorporated by reference, apply to this Chapter, include no later amendments or editions, and are available on the Board's website" — the 2018 IRC does NOT roll forward when ICC publishes a new edition; it stays 2018 until the Board amends the rule. A future run must NOT read this row as "Arizona: 2018 IRC" — it is "Arizona: 2018 IRC for factory-built buildings only, and nothing statewide for a site-built house." | A.A.C. R4-34-102(2) (Board of Manufactured Housing, incorporation by reference; authority A.R.S. s 41-4010(A)(13); amended by final rulemaking at 26 A.A.R. 3327, effective 1-31-2021, Supp. 20-4), as excepted by A.A.C. R4-34-103(A)(1) and (A)(2) (24 A.A.R. 1499, eff. 6-30-2018, Supp. 18-2). No general statewide residential code: adoption is left local by A.R.S. s 11-861(A) (counties, permissive) and A.R.S. s 9-802 (municipalities, adoption by reference procedure); state-owned buildings are exempt from local building codes by A.R.S. s 34-461. · source ↗ |
| NEC — National Electrical Code (NFPA 70) | 2017 NEC (NFPA 70) — BUT ONLY FOR FACTORY-BUILT BUILDINGS AND MANUFACTURED HOUSING. ARIZONA HAS NO GENERAL STATEWIDE ELECTRICAL CODE, AND THAT NEGATIVE IS THE PRIMARY FINDING ON THIS ROW — identical in shape to Arizona's existing IBC, IRC, IMC, IPC and IECC rows. ADOPTING TEXT VERBATIM, A.A.C. R4-34-102(7): "National Electrical Code (NEC), 2017 edition, available from the National Fire Protection Association, One Batterymarch Park, Quincy, MA 02169 or nfpa.org;" The section's opening sentence, VERBATIM, fixes the edition hard: "The following materials are incorporated by reference, apply to this Chapter, include no later amendments or editions, and are available on the Board's website." SO THE 2020 AND 2023 NEC HAVE NO FORCE UNDER THIS CHAPTER BY THE CHAPTER'S OWN WORDS — "no later amendments or editions". THE 2017 NEC IS NOW THE OLDEST ELECTRICAL EDITION RECORDED IN THIS TABLE AND IT IS ALSO OLDER THAN THE 2018 I-CODES SITTING BESIDE IT IN THE SAME LIST (R4-34-102(1)-(6)) — the Board took the 2018 I-Code family but the 2017, not the 2017-contemporaneous-or-later, NEC. ANYONE REPORTING ARIZONA AS A 2020-NEC OR 2023-NEC STATE IS WRONG TWICE: wrong edition, and wrong that the state adopts one at all for site-built work. FOR ORDINARY SITE-BUILT CONSTRUCTION, ELECTRICAL CODE ADOPTION IN ARIZONA IS LOCAL: A.R.S. s 11-861(A) (counties, permissive) and A.R.S. s 9-802 (municipalities, adoption-by-reference procedure); state-owned buildings are exempt from local building codes by A.R.S. s 34-461. SCOPE (applies_to left NULL — the column accepts only residential/commercial, and this covers both within the factory-built sector): the Chapter is the Board of Manufactured Housing's, A.A.C. Title 4 Ch. 34. | A.A.C. R4-34-102(7) (Arizona Board of Manufactured Housing, materials incorporated by reference), authority A.R.S. s 41-4010(A)(13); current entry added/amended by final rulemaking at 26 A.A.R. 3327, effective January 31, 2021 (Supp. 20-4). HISTORICAL NOTE on R4-34-102, VERBATIM: "Adopted effective January 31, 1979 (Supp. 79-1). Amended effective May 28, 1980 (Supp. 80-3). Amended effective October 20, 1981 (Supp. 81-5). Former Section R4-34-102 renumbered to R4-34-103, new Section R4-34-102 renumbered from R4-34-101 and amended effective July 3, 1991 (Supp. 91-3). Amended effective September 3, 1992 (Supp. 92-3). Section repealed by final rulemaking at 6 A.A.R. 47, effective December 8, 1999; new Section adopted by final rulemaking at 6 A.A.R. 145, effective December 8, 1999 (Supp. 99-4). Amended by final rulemaking at 11 A.A.R. 464, effective March 5, 2005 (Supp. 05-1). Amended by final rulemaking at 18 A.A.R. 944, effective June 4, 2012 (Supp. 12-2). Amended by final rulemaking at 24 A.A.R. 1499, effective June 30, 2018 (Supp. 18-2). Amended by final rulemaking at 26 A.A.R. 3327, effective January 31, 2021 (Supp. 20-4)." Exceptions section A.A.C. R4-34-103 (no electrical exception). No general statewide electrical code: A.R.S. s 11-861(A), A.R.S. s 9-802, A.R.S. s 34-461. · source ↗ |