| IBC — International Building Code | 2024 | OAR 918-460-0010 (2025 Oregon Structural Specialty Code; 2024 IBC, 2024 IFC new-construction, and 2024 IEBC base), authority ORS 455.020, 455.110, 455.447; effective 2025-10-01, mandatory after phase-in 2026-04-01 · source ↗ |
| IEBC — International Existing Building Code | 2024 IEBC, adopted NOT as a standalone code but MERGED INTO the 2025 Oregon Structural Specialty Code (OSSC) as its Chapter 34, with Oregon amendments. There is no separate "Oregon Existing Building Code" and no standalone IEBC in Oregon. Effective 2025-10-01 with a phase-in; the 2022 OSSC remained permitted until 2026-03-31, so the 2024 IEBC base became MANDATORY 2026-04-01. | OAR 918-460-0010 ("Adopted Oregon Structural Specialty Code") read with OAR 918-460-0015 ("Amendments to the Oregon Structural Specialty Code"), Building Codes Division, Department of Consumer and Business Services. ADOPTING INSTRUMENT READ FIRST-HAND THIS RUN: PERMANENT ADMINISTRATIVE ORDER **BCD 11-2025**, chapter 918, filing caption "Adopts the 2025 Oregon Structural Specialty Code", FILED WITH THE ARCHIVES DIVISION / SECRETARY OF STATE 09/26/2025 11:39 AM, AGENCY APPROVED DATE 09/26/2025, EFFECTIVE DATE 10/01/2025; notice filed date 08/11/2025; rules amended 918-460-0010 and 918-460-0015; filed by Laura Burns, Rules Coordinator. Statutory/Other Authority for 918-460-0010: ORS 455.020, ORS 455.110, ORS 455.447; Statutes/Other Implemented: ORS 455.110. For 918-460-0015: authority ORS 447.231, ORS 455.030, ORS 455.110, ORS 455.496, ORS 455.477; implements ORS 455.110, ORS 455.477. Underlying mandate cited in the notice: ORS 455.610, which "requires that the division, with the approval of the Building Codes Structures Board (BCSB), adopt minimum standards for construction, reconstruction, alteration and repair of buildings and other structures." Adoption history in the notice: BCSB direction 2024-02-07; public amendment proposals solicited 2024-03-04 to 2024-04-21; code committee met five times from 2024-08-08 to 2024-09-17; BCSB approved the adoption 2024-10-09 and approved further changes 2025-05-07. · source ↗ |
| IECC — International Energy Conservation Code | not-adopted | No IECC adoption. Commercial energy: 2025 Oregon Energy Efficiency Specialty Code (ASHRAE 90.1-2022 base), OSSC Chapter 13, auth. ORS 455.511, effective 2025-01-01, mandatory 2025-07-01. Residential energy: Chapter 11 of the 2023 Oregon Residential Specialty Code, OAR 918-480-0005 · source ↗ |
| IFC — | 2025 Oregon Fire Code (2024 IFC base) | OAR 837-040-0010 ("Adoption of the International Fire Code"), Department of the State Fire Marshal -- READ FIRST-HAND 2026-09-20 IN THE FILED PERMANENT ADMINISTRATIVE ORDER **OSFM 6-2025**, filing caption "Adoption of the 2024 International Fire Code with Oregon amendments for 2025", FILED 09/23/2025 10:05 AM, EFFECTIVE 10/01/2025, amending OAR 837-040-0010, 837-040-0015, 837-040-0020 and 837-040-0140.
RULE TEXT VERBATIM, ALL OF IT:
(1) "The Oregon Fire Code is generally adopted every three years, coinciding with the publication of a nationally recognized fire code."
(2) "Effective October 1, 2025, the 2025 Oregon Fire Code which is the 2024 edition of the International Fire Code, as published by the International Code Council, and as amended by the Department of the State Fire Marshal, is adopted."
(3)(a) "For the purposes of implementing a phase-in period for the 2025 Oregon Fire Code in new construction plan review only, the 2022 Oregon Fire Code is adopted for a period of 180-days beginning October 1, 2025 and ending March 31, 2026."
(3)(b) "During the 180-day phase-in period established in subsection (3)(a), new construction plan reviews will be reviewed to either the 2025 Oregon Fire Code or the 2022 Oregon Fire Code as directed by the local building official."
(3)(c) "For the purposes of implementing an electronic code integration in the records management system (RMS) a phase-in period for the 2025 Oregon Fire Code, the 2022 Oregon Fire Code will remain the adopted code for a period of 180-days beginning October 1, 2025, and ending March 31, 2026."
AUTHORITY LINES QUOTED FROM THE ORDER: "Statutory/Other Authority: ORS 476.030"; "Statutes/Other Implemented: ORS 476.030".
*** SOURCE CORRECTED THIS RUN: this row previously pointed at oregon.gov/osfm/fire-service-partners/pages/oregon-fire-code.aspx, a bare agency LANDING PAGE carrying the edition and effective date but NONE of the adopting text -- the Louisiana/Virginia/Wyoming landing-page trap for the fourth time. source_url now points at the filed order itself.
*** ALSO CORRECTED: the prior citation named ORS 476.030 as authority only "per prior version of the same rule"; it is now quoted from this order's own authority line. · source ↗ |
| IMC — International Mechanical Code | 2024 | OAR 918-440-0010 (2025 Oregon Mechanical Specialty Code; 2024 IMC and 2024 IFGC base), authority ORS 455.020, 455.030, 455.110; effective 2025-10-01, mandatory after phase-in 2026-04-01 · source ↗ |
| IPC — International Plumbing Code | not-adopted | No IPC adoption. Oregon plumbing is governed by the 2023 Oregon Plumbing Specialty Code (2021 UPC base) at OAR 918-750-0110, OAR ch. 918 div. 750; administered by the Building Codes Division / State Plumbing Board · source ↗ |
| IRC — International Residential Code | 2021 | OAR 918-480-0005 (Adopted Oregon Residential Specialty Code), with state amendments at OAR 918-480-0010; 2023 Oregon Residential Specialty Code, 2021 IRC base; effective 2023-10-01, mandatory after six-month phase-in 2024-04-01 · source ↗ |
| OESC — | 2023 OESC (Oregon Electrical Specialty Code) — 2023 NEC / NFPA 70 base. NOT the 2026 NEC. | OAR 918-305-0100, "Adoption of Oregon Electrical Specialty Code" -- READ FIRST-HAND 2026-09-15 IN THE CODIFIED RULE ON THE OREGON SECRETARY OF STATE OARD PORTAL (secure.sos.state.or.us/oard, division 305). VERBATIM: "Effective October 1, 2023, the 2023 Oregon Electrical Specialty Code consists of the following: (a) 2023 Edition of the NFPA 70, National Electrical Code (NEC)".
STATUTORY AUTHORITY, QUOTED FROM THE RULE'S OWN AUTHORITY LINE: "Statutory/Other Authority: ORS 479.730, ORS 455.020, ORS 455.030, ORS 455.110 & ORS 479.680". "Statutes/Other Implemented: ORS 479.730 & ORS 455.610".
*** CITATION CORRECTED THIS RUN: THIS ROW PREVIOUSLY CITED OAR 918-305-0010(2)(a). **918-305-0010 IS THE SCOPE RULE, NOT THE ADOPTING RULE. THE ADOPTING RULE IS 918-305-0100 AND THE AMENDMENT RULE IS 918-305-0105.** Administered by the OREGON BUILDING CODES DIVISION (BCD), Electrical Code Program, OAR ch. 918 div. 305.
EFFECTIVE 2023-10-01, now corroborated three ways: the codified rule itself, the BCD adopted-codes table, and Table 1-E's own header. · source ↗ |
| OMSC — | 2025 | Oregon Mechanical Specialty Code (2024 IMC/IFGC base) *** SEE THE DUPLICATE-ROW WARNING IN amendments BEFORE USING OR "CORRECTING" THIS ROW. · source ↗ |
| OPSC — | 2023 | Oregon Plumbing Specialty Code (2021 UPC base) *** SEE THE DUPLICATE-ROW WARNING IN amendments BEFORE USING OR "CORRECTING" THIS ROW. · source ↗ |
| ORSC — | 2023 | Oregon Residential Specialty Code (2021 IRC base), OAR 918-480-0005 *** SEE THE DUPLICATE-ROW WARNING IN amendments BEFORE USING OR "CORRECTING" THIS ROW. · source ↗ |
| OSSC — | 2025 | Oregon Structural Specialty Code (2024 IBC base), OAR 918-460-0010 *** SEE THE DUPLICATE-ROW WARNING IN amendments BEFORE USING OR "CORRECTING" THIS ROW. · source ↗ |