Codes and standards

The division works with building official​s, 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.

Program news and ​updates

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Adopted codebook


Gas pipe separation amendments​ - Effective Feb. 1, 2016
R325 and solar provision amendments - Effective April 1, 2015
ORSC adopted amendment insert pages - Effective Oct. 1, 2014

Additional codebook information

Issued code interpretations
Approved alternate methods
Recent appeal decisions
Codebook history​

Program activities

Residential and Manufactured Structures Board​
2017 Residential code adoption​​​​​​​​​​​​​​​​​​​​​​​​​​​​​

Program tools and resources

Low Volume Windows

Low volume window label and exempt fenestration label program

Inspection tools

Cite it, write it rule
Cite it, write it checklist​​​
Antifreeze fire sprinkler system advisory
ASCE 7-10: Oregon Wind Map and Risk Category Code Language​​


Residential thermal performance​

How to use the thermal performance calculator​​
​​​​Residential thermal performance calculator


​How to use the bracing calculator
2014 ORSC prescriptive wall bracing calculator - Seismic
2014 ORSC prescriptive wall bracing calculator - Wind​

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Home and property owners
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Laws and rules