What building code does Portland, OR use?
Portland, OR currently enforces the 2025 Oregon Structural Specialty Code (amended 2024 IBC). Portland enforces the state-adopted code. Oregon's statewide specialty codes preempt local technical amendments; the 2025 OSSC, OMSC, and Oregon Fire Code took effect Oct 1, 2025 (OSSC/OMSC mandatory April 1, 2026) and the 2025 OEESC became mandatory July 1, 2025, so the 2024-I-Code-based commercial set is fully in force while residential/plumbing/electrical remain on the 2023 Oregon editions.
Adopted codes
| Scope | Code | Edition |
|---|---|---|
| Building | Oregon Structural Specialty Code (amended 2024 IBC) | 2025 |
| Residential | Oregon Residential Specialty Code (amended 2021 IRC) | 2023 |
| Fire | Oregon Fire Code (amended 2024 IFC), locally amended as Portland Fire Code (City Code Title 31) (with local amendments) | 2025 |
| Mechanical | Oregon Mechanical Specialty Code (amended 2024 IMC/IFGC) | 2025 |
| Plumbing | Oregon Plumbing Specialty Code (amended 2021 UPC) | 2023 |
| Electrical | Oregon Electrical Specialty Code (amended 2023 NEC) | 2023 |
| Energy | Oregon Energy Efficiency Specialty Code (commercial, references ASHRAE 90.1-2022); residential energy is ORSC Chapter 11 | 2025 |
| Other | 2025 OSSC existing-building provisions (Oregon does not adopt the IEBC standalone; 2025 OSSC is based on the 2024 IBC/IFC/IEBC) | 2025 |
Current adoptions effective 2025-10-01.
Permits: Portland permitting office
Get this data as JSON
curl https://codes.submittal.app/api/v1/cities/portland.jsonConfidence: high · Verified against official sources:
- https://www.oregon.gov/bcd/codes-stand/Pages/adopted-codes.aspx
- https://www.oregon.gov/bcd/codes-stand/Pages/commercial-structures.aspx
- https://www.oregon.gov/bcd/codes-stand/Pages/residential-structures.aspx
- https://www.oregon.gov/osfm/fire-service-partners/pages/oregon-fire-code.aspx
- https://www.portland.gov/ppd
Part of the open building-codes dataset (CC BY 4.0). See also: Oregon statewide adoptions.