Washington Building Code

Washington Building Code, Permit and Licensing Information

Updated: Jan. 27, 2023

Washington Construction Code Agency:

Washington Building Code Council

1500 Jefferson St SE, Olympia, WA 98501
Phone: 360-407-9277

Notes: The Department of Labor and Industries is in the process of updating the Washington Administrative Code (WAC) 296-46B, Electrical Safety Standards, Administration, and Installation rules to the NEC-2020, to be effective November 1, 2020.

Washington Construction Codes and Edition Adopted:

Applicability (statewide, local, limited): STATEWIDE

Building codes are adopted in Washington by statute. The Washington State Building Code Council has authority to adopt amendments to these codes for statewide application.

See a Statewide List of Building Codes here.


State Website https://wa.gov/
State Licensing Contractor licensing is required by the State of Washington.  A license is required for plumbing, and electrical trades. Businesses must register with the Secretary of State.
State Licensing Division https://www.dol.wa.gov/
State Fire Marshall https://www.wsp.wa.gov/state-fire-marshals-office/
State Environmental Permit https://ecology.wa.gov/
Washington Building Code by County
Washington Construction Code by County

Additional Building Codes by State

Alabama, Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, Florida, Georgia, Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming


No items found

No items found

No items found

Schedule Time To Talk

Let’s schedule 30 minutes to discuss your project and how Permit Place can help make the permit approval process easier.