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Public Health - Seattle & King County

Plumbing and Gas Piping program

NOTICE:In order to serve you better, our Customer Service Admin Team will be out at training on Wednesday, October 26th. We will be open for business in the morning at our usual time until 11:30 am and re-open on Thursday, Oct. 27th at our usual times listed at the bottom of our Environmental Health Services homepage. Thank you for understanding.

Office locations in Seattle and Bellevue

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

Permit hours:

  • Monday, Wednesday, Thursday, Friday: 8:00 am – 4:00 pm
  • Tuesday: 9:00 am – 4:00 pm
  • Phones are answered until 4:00 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:

  • Monday, Tuesday, Wednesday & Friday 8:00 am – 4:00 pm
  • Thursday, 9:00 am – 4:00 pm
  • Phones are answered until 4:00 pm

NOTICE: Due to employee training, inspections will not be conducted on Wednesday, November 2, 2016. Additionally, Vashon Island inspections will be conducted on Thursday, November 3, 2016.

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 Sept. 18, 2015)
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