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New commercial or multifamily building, addition, pool or spa over 1,000 and less than 4,000 gross square feet. Includes clearing and grading, land use exemption and/or demolition work when appropriate. (BM)
Apply for this permit online through MyBuildingPermit.
Required Documents
The documents listed below are the minimum necessary to proceed with the application process. If you believe that a required submittal document does not apply to your project, please upload the Document Waiver Form in place of the required document.
- Addressing Site Plan
- Architectural Plan
- Bill-to Form
- Boundary and Topographic Survey
- Civil Plan
- Erosion and Sediment Control (ESC) and road plans may be combined into a single plan.
- Construction Stormwater Pollution Prevention Plan (CSWPPP)
- for projects with less than 7,000 square feet of clearing and less than 100 yards of grading, a CSWPPP Short Form for Small Construction Projects may be submitted.
- Energy Code Sheet/Envelope Summary (WSEC Compliance Forms)
- Exterior Lighting Plan
- Landscape Plan
- Pedestrian Protection Plan
- Preapplication Conference Letter (if conference was held)
- Site Plan B
- Storm Drainage Report
- Stormwater Site Plan
- Structural or Lateral Calculations
- Structural Plan
- Summary Statement of Special Inspections Form
For assistance with electronic plan submittals, refer to Requirements for Electronic Plans
Additional Documents
These items may be required during plan review, as determined by the scope of your project.
- Disconnection of Water/Sewer Service Form
- Geotechnical Report
- King County Health Department Approval
- Required for projects that involve restaurants, delicatessens,
commercial kitchens, hospitals, nursing homes, and public and semi-public pools and spas or if the
building is served by a septic system.
- Required for projects that involve restaurants, delicatessens,
- Multifamily Checklist
- Previous Environmental Review
- Road Plan
- School District Impact Fee Form
- Issaquah and Renton School Districts
- Smoke Control Permit
- Street Lighting Plan
- Utility Developer Extension Agreement