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Many King County facilities are closed to the public, and many services are being offered remotely. Learn more about changes and cancellations.  
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Due to the Governor's order to suspend construction activities, most construction inspections have been suspended. It is the responsibility of the homeowner, contractor or agent to determine if an inspection is exempt under the Governo'’s order. To schedule an exempt inspection, complete this Exempt Inspection Request form and email it to plumbingandgaspiping_feedback@kingcounty.gov
  • Drinking water program
    Regulation small public and individual private water systems to prevent communicable diseases and illnesses.

  • Wastewater program
    Services and regulations to ensure that over 85,000 septic systems including 192 septic systems in Seattle are safe. Septic systems treat wastewater when homes and buildings are not connected to public sewer systems. Also provides educational, advisory and permitting services for owners of septic systems and certifications for several septic professionals.

  • Water recreation program
    Plan review, permits and inspections for public and semi-public pools and spas in King County.

Environmental Health Services
401 5th Ave, Suite 1100
Seattle, WA 98104

Phone: 206-263-9566
Fax:
206-296-0189
Inspection request line:
206-205-0935


Temporary schedule changes:

  • Due to the Governor's "Stay Home—Stay Healthy" order, the Plumbing and Gas Piping program will limit the business hours for plan review document submittals to every Wednesday morning between the hours of 9 AM to 11 AM. For customers who wish to drop plans during the established day and time; it is required to contact Steve Hart at: 206-263-9548, Steven.Hart@kingcounty.govs, to obtain delivery instructions.

  • Inspections will not be performed on Monday, June 15, 2020 due to an all-day training workshop for Public Health plumbing and gas piping inspectors. Inspection services will resume on June 16, 2020.

Permit hours:

  • Mon. Wed. Fri: 8:00 am to 3:00 pm
  • Tues. and Thurs: 10:30 am to 3:00 pm
  • Phones are answered until 3:00 pm

Environmental Health Services
14350 SE Eastgate Way
Bellevue, WA 98007

Phone: 206-477-8050
Fax:
206-296-9792
Inspection request line:
206-205-0935

Permit hours:

  • Mon. Wed. Fri: 8:00 am to 3:00 pm
  • Tues. and Thurs: 10:30 am to 3:00 pm
  • Phones are answered until 3:00 pm

Find a plumbing and gas piping inspector nearest you

Link/share our site at www.kingcounty.gov/plumbing

For Vashon Island residents

Plumbing and gas piping inspections located on Vashon Island are only performed on Wednesdays.

Plan Review required for plumbing and gas piping installations

The Washington state adopted plumbing code (2015 Uniform Plumbing Code) section 113 requires a permit to be obtained from the Authority Having Jurisdiction prior to each installation, alteration, repair, replacement or remodel. Section 114 sets requirements for a permit application.

Subsection 4 states that a permit application to be "accompanied by plans, diagrams, computations and specifications, equipment schedules and other data as required by the Authority Having Jurisdiction."

Be informed: Not all plumbing and gas piping installations are subject to a plan review. Please open and read the "Plan Review Submittal" information (open Plan Review Information on the left side of this page) to determine if your project requires a plan review.

Please check our website periodically for upcoming updates and changes.