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Public Health - Seattle & King County

Plumbing and Gas Piping program

Office locations in Seattle and Bellevue

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

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

Permit hours:

  • Monday, Wednesday, Thursday, Friday: 8:00 am4:30 pm
  • Tuesday: 9:00 am4:30 pm

Environmental Health Services
14350 SE Eastgate Way [MAP]
Bellevue, WA 98007

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

Permit hours:

  • Monday, Tuesday, Wednesday & Friday 8:00 am – 4:30 pm
  • Thursday, 9:00 am – 4:30 pm
Download Plumbing and Gas Piping staff directory and King County inspection areas (PDF)

The 2012 Seattle Plumbing Code can now be viewed online, along with the Seattle Fuel Gas Code, Seattle Mechanical Code, Seattle Building Code, and other construction codes adopted and amended by the City of Seattle


Applications, permits and inspections
Plumbing codes and related information

Significant Code Provisions (PDF; updated October 10, 2014)
This document will be updated periodically to provide important information relating to code provisions and permit or inspection processes. Please refer to "Guidelines and policies for contractors, installers and other interested parties" for additional information.

Gas piping codes and related information
Related Public Health programs and services