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The City of Portland, Oregon

Development Services

From Concept to Construction

Phone: 503-823-7300


1900 SW 4th Ave, Portland, OR 97201

More Contact Info

Structural Engineering

Current Codes:

If you have a structural engineering related question, please call (503) 823-1302 and leave a message. Your call will be returned promptly by a staff member well suited to answer your question.

Structural Design Requirements

Items address frequently asked questions concerning structural design requirements within the jurisdiction of the City of Portland.

Commercial Permits

The current state building code governing commercial and engineered residential construction is the 2014 Oregon Structural Specialty Code (OSSC), which is based upon the 2012 International Building Code (IBC) as amended by the State of Oregon.

Residential Permits

The structural requirements for residential projects may be either prescriptive or engineered. In prescriptive design, the ORSC (Oregon Residential Specialty Code) defines a conservative method of construction to resist vertical and lateral loads.

Miscellaneous Structures

Transmission and Cell Towers, Signs and Fabric Covered Awnings and Floating Structures

Useful Links

State of Oregon—Building Codes Division, Engineering Board (OSBEELS), Structural Engineers Association of Oregon (SEAO) and etc.