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Commercial Structures Code Program


2022 OSSC adoption process

July 2021 | The code adoption process for the next edition of the OSSC has started.
Follow the code adoption process

2019 OSSC - Chapter 1 amendments

April 2021 | Chapter 1 of the 2019 OSSC has been amended to resolve ambiguity, remove conflicts between the various codes, clarify authority, and harmonize certain code provisions. - Effective and mandatory: April 1, 2021.

View the Chapter 1 amendments
Chapter 1 amendments training video

2019 OSSC - Errata

September 2021 | 2019 OSSC errata has been issued.

View the issued errata

Adopted codes and standards

The Oregon Structural Specialty Code (OSSC) establishes the minimum requirements for the construction, reconstruction, alteration and repair of buildings and other structures, as well as the installation of mechanical devices and equipment. The division works with building officials, technical committees, advisory boards, and the public to adopt, amend, and interpret the provisions of the OSSC.

2019 Oregon Structural Specialty Code (OSSC)
Effective Oct. 1, 2019

Adopted mid-cycle amendments

Issued errata

The 2019 OSSC is based on the 2018 International Building Code (IBC).
The provisions for existing buildings in Chapter 34 are based on the 2018 International Existing Building Code (IEBC).

The 2019 OSSC includes portions of the 2018 International Fire Code (IFC). Access the IFC section reference guide.

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