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Plumbing Permits

Single Family Residential Plumbing Permits How to Apply

Most single Family Residential Plumbing Permits can be obtained online at www.mybuildingpermit.com. 

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Commercial and Multifamily Plumbing Permits

Commercial and Multifamily Plumbing Permits typically require plan review. Minor work may be exempt from plan review with prior approval from the Inspector.

Read More
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Community Planning & Development
  • Permits
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      • Impact Fees
    • Permit FAQ
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  • Divisions
    • Building
      • Building Permits - Simple Project
      • Building Permits - Residential
      • Building Permits - Commercial
      • Building Permits - When are they Required?
      • Codes, Design Criteria & Research
        • Design Criteria - 2018
      • Building Green
        • Residential - Energy Code
        • Residential - Passive House
        • Building Green Incentives & Rebates
      • Geological Hazards
        • Wet Season Work Waiver - Seasonal Development Limitation
    • Land Use and Planning
      • Land Use - Zoning
      • Land Use - Forms and Requirements
      • Land Use - Planning Advice: Tips for Success
      • Administrative Interpretations
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        • Shoreline Management (SMA)
      • Property Research and Historic Zoning Codes and Maps
        • Historic Zoning Codes and Maps
        • Mercer Island Demographic Information
      • Tree Standards & Protection
        • Tree Permits
        • Other Tree Resources
      • Long Range Planning
    • Stormwater and Utilities
      • Stormwater Permits
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      • Low Impact Development
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      • Fire Permit Application Submittal Instructions
      • Fire Permits & Information
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    • Code Compliance Request Form
  • City Code
  • Weekly Permit Bulletin

Contact Information

Follow this link for the latest facility and program information.

9611 SE 36th Street
Mercer Island, WA 98040
Phone: (206) 275-7605
Email: epermit.tech@mercerisland.gov

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9611 SE 36th Street, Mercer Island, WA 98040 | (206) 275‑7600

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