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  • 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.
  • Contact us

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

Phone: 206-263-9566 (answered until 4:00 pm)
Fax:
206-296-0189
Inspection request line:
206-205-0935

Permit hours:

  • Monday, Wednesday, Thursday, Friday:
    8:00 am – 4:00 pm

  • Tuesday:
    9:00 am – 4:00 pm

Environmental Health Services
14350 SE Eastgate Way
Bellevue, WA 98007

Phone: 206-477-8050 (answered until 4:00 pm)
Fax:
206-296-9792
Inspection request line:
206-205-0935

Permit hours:

  • Monday, Tuesday, Wednesday & Friday:
    8:00 am – 4:00 pm

  • Thursday:
    9:00 am – 4:00 pm

Find a plumbing and gas piping inspector nearest you
Link/share our site at www.kingcounty.gov/plumbing