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Building permit materials

The Department of Licenses and Inspections (L&I) issues permits for building projects in the city. These materials include applications, instructions, and information related to those permits.

Name Description Released Format
Building Permit application PDF Use this application to apply for a Building Permit for construction or mechanical, electrical, plumbing, or fire suppression work. September 13, 2019
Construction sign requirements PDF Requirements for informational signs that must be posted at project sites. March 5, 2019
Dry and wet chemical extinguishing system data sheet PDF Include this sheet with a building permit application if the building will including extinguishing systems. March 5, 2019
Mechanical/HVAC Design Form PDF Use this form for an HVAC project in a one- or two-family dwelling or in a townhouse of any size. December 15, 2019
Rough-in standard fact sheet PDF Requirements for rough-ins on building projects that include plumbing, electrical, or fire suppression systems work. July 30, 2019
Structural Design Criteria form PDF Include this form when applying for a building permit that proposes structural work. September 9, 2019
Wall bracing plan notice PDF Notice about a new requirement for wall bracing plans for projects with wood structures. March 5, 2019
Waste Hauler Form PDF Form for identifying waste hauler for any new construction, addition or alteration projects that require the submission of plans. December 20, 2019
Water Flow Test Data Form PDF Include this form when applying for a fire suppression system permit, to provide the hydrant pressure and flow test data. March 26, 2020
Make safe permit application – information sheet PDF This document provides information on applying for a permit to repair a structure that has been marked as unsafe or imminently dangerous. May 27, 2020
Rough-in standard fact sheet PDF Requirements for rough-ins on building projects that include plumbing, electrical, or fire suppression systems work. May 27, 2020
Covered Walkways and Barriers – standards PDF Standard requirements for covered walkways and barriers. May 27, 2020
Amended Permit Process PDF Significant changes to work under an approved permit must be amended through L&I. July 17, 2020

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