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Oregon Residential Specialty Code adoption

Adopting the new model code

The division is working with the Residential and Manufactured Structures Board to adopt the 2018 International Residential Code (IRC) as the base model code for the new Oregon Residential Specialty Code (ORSC). Access the read-only version of the 2018 International Residential Code (IRC)

Update The anticipated effective date is April 1, 2021.

Current code adoption cycle information

Energy standards

Using U.S. Department of Energy guidance, and directives in Executive Orders 17-20 and 20-04, Oregon will achieve strong energy savings for one- and two-family dwellings as required in those Executive Orders.

This action continues Oregon’s leadership in energy efficient building codes well into the next decade.

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Adoption notices and events


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