Skip to main content

Oregon State Flag An official website of the State of Oregon »

Adopted codes online

The division works to ensure the adopted codes and standards are accessible. Eight of the adopted specialty codes are available to read online. The remaining codes consist of multiple standards listed on the program pages.

Amendments, errata, helpful tools, and additional information can be found on the code program pages.
The current or most recent code adoption process information can be found on the code adoption pages.

Commercial structures

2025 Oregon Structural Specialty Code (OSSC) NEW
  • Effective: Oct. 1, 2025 with a *6-month phase-in period / Mandatory April 1, 2026
  • Chapter 1 is effective and mandatory Oct. 1, 2025

The online read-only version of the 2025 OSSC will be available soon.


Residential structures

Electrical

2023 Oregon Electrical Specialty Code (OESC)

Integrated codebook

An integrated codebook is not available, the table of amendments is designed to be used with the 2023 NEC.

Access the free read-only version of 2023 NEC.

Note: NFPA requires an account to view their codebooks online. The account is free. If you do not have an NFPA account, you will need to sign up.

Mechanical

  • Effective: Oct. 1, 2025 with a *6-month phase-in period
  • Mandatory: April. 1, 2023
  • A summary of amendments to the base model codes will be available soon