2021 Oregon Residential Specialty Code (ORSC)
The new 2021 ORSC, based on the 2018 International Residential Code (IRC), has been adopted. Chapter 1, Scope and Administration, of the 2021 ORSC becomes effective and mandatory on April 1, 2021. The remaining provisions of the 2021 ORSC become effective April 1, 2021, but do not become mandatory until after the six-month phase-in period ends on Sept. 30, 2021. During the phase-in period, the use of the 2017 ORSC with the 2021 ORSC Chapter 1 provisions or the 2021 ORSC in its entirety is permitted.
The published codebook and integrated read-only version will be available soon.
The Chapter 1 provisions and a summary of significant changes have been prepared for the 2021 ORSC. This summary is intended to help with the transition from the previous edition and does not include all changes adopted in the 2021 ORSC.
2021 ORSC - Chapter 1, Scope and Administration
ORSC update training
2021 ORSC - Significant changes summary
Code review and adoption
The division works with the Residential and Manufactured Structures Board to adopt the latest editions of the base model codes. For the 2021 ORSC, the base model code is the 2018 International Residential Code (IRC).
Access the read-only version of the
2018 International Residential Code (IRC).