Below you can find links to Modular Home Building Codes and Building Authorities for Seattle, Washington.
Additional Resources
• 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. Code Alert: The adoption of the 2009 International Building, Residential, Mechanical and Fire Codes and the 2009 Uniform Plumbing Code, with state amendments, will be effective on July 1, 2010, along with amendments to the Washington State Energy Code.
Seattle Washington Modular Homes 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 Building Authorities (BA)
Building Authorities are those government officials who are the final authority on questions in a particular area (or jurisdiction).
| Functional 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 |
Other Washington Municipalities
Modular Home Building Codes are also available for the following municipalities within Washington:
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Seattle, Washington Modular Homes Building Codes
