Seattle, Washington Building Codes
Additional Resources
Below you can find links to Building Codes and Authorities Having Jurisdiction for Seattle, Washington.
This information is obtained directly to the source -- the city, county and state building departments that issue these codes. If you find an error, please send an e-mail with the updated information to RCDWebmaster@ReedBusiness.com.
• Washington has adopted a statewide building code, [State Building Code (SBC)]. The SBC is incorporated in the Washington Administrative Code (WAC). Seattle has amendments to the state code.
Seattle Washington Building Codes
| Code Type | Code Model | Amendment Contact |
| Building/Dwelling Code | IBC 2006 (State Building Code, WAC Chapter 51-50) | Dept. of Planning & Development (DPD), Applicant Services Center (206) 684-8850 |
| Structural Code | IBC 2006 (State Building Code, WAC Chapter 51-50) | Dept. of Planning & Development (DPD), Applicant Services Center (206) 684-8850 |
| Plumbing Code | UPC 2006 (State Building Code, WAC Chapter 51-56 and 51-57) | Dept. of Planning & Development (DPD), Applicant Services Center (206) 684-8850 |
| Mechanical Code | IMC 2006 (State Building Code, WAC Chapter 51-52) | Dept. of Planning & Development (DPD), Applicant Services Center (206) 684-8850 |
| Electrical Code | NEC 2005 with Seattle Amendments | Electrical Counter (206) 684-8464 |
| Fire/Life Safety Code | IFC 2006 (State Building Code, WAC Chapter 51-54 | Dept. of Planning & Development (DPD), Applicant Services Center (206) 684-8850 |
| Accessibility Code | IBC 2006 with State Amendments | Online |
| Energy Code | 2004 Seattle Energy Code | Online |
| Elevator Code | AMSE A17.1-2004 | Online |
| Other Codes | Fuel Gas: IFCG 2006 with Seattle Amendments | |
Washington Authorities Having Jurisdiction (AHJ)
Authorities Having Jurisdiction are those government officials who are the final authority on questions in a particular area (or jurisdiction).
| Jurisdictional Area | Contact |
| Structural | Technical Code Support Dept. of Planning & Development Phone: (206) 684-4630 |
| Plumbing | Seattle/King County Health Department Phone: (206) 233-2621 |
| Mechanical | Energy/Mechanical Technical Code Support Phone: (206) 684-7846 |
| Electrical | Technical Code Support Dept. of Planning & Development Phone: (206) 684-5383 |
| Civil | Drainage Review Desk (DPD) Phone: (206) 684-5362 |
| Accessibility | Technical Code Support Phone: (206) 684-4630 |
| Historic Preservation | Department of Neighborhoods Phone: (206) 684-0464 |
| Zoning | Land Use Technician Phone: (206) 684-8850 |
| Planning | Land Use Technician Phone: (206) 684-8850 |
| Environmental | Land Use Technician Phone: (206) 684-8850 |
| City Attorney | Law Department Phone: (206) 684-8200 |
| Public Works | Seattle Public Utilities Phone: (206) 684-3000 |
| Fire Marshal | Fire Marshal's Office Phone: (206) 386-1164 Fax: (206) 386-1348 |
| Parks/Recreation | Seattle Parks and Recreation Department Phone: (206) 684-4075 |
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Other Washington Municipalities
Building codes are also available for the following municipalities within Washington:
