Residential Structures Code Program

Adopted codes and standards

The division works with building officials, technical committees, advisory boards, and the public to adopt, amend, and interpret the Oregon Residential Specialty Code (ORSC). This code applies to the construction, reconstruction, and repair of one- and two-family dwellings and townhouses.

2021 Oregon Residential Specialty Code (ORSC)
Effective April 1, 2021
Based on the 2018 International Residential Code
Code adoption resources
Summary of significant changes
Code update training and resources
Residential energy code training and compliance resources
Issued errata
Errata

Learn more about...

SB 762 implementation

Follow the adoption process for the next edition of the code...

2023 ORSC adoption

Program resources

BCD technical bulletins

Design criteria links

How-to guides

Prescriptive design

Inspection tools

Program activities

Small Home Specialty Code

The Small Home Specialty Code, established by ORS 455, requires that the 2018 International Residential Code, including but not limited to Appendix Q, be used for the design and construction of small homes. Statute defines a "small home" as a single-family residence that is not more than 400 square feet in size. For more information about small home construction standards see ORS 455, including 455.616.

For more information on building permit requirements, please contact your local building department .