Fuel Gas Code

See also: Gas Pipe Licensing

What Is It?

The Seattle Fuel Gas Code regulates design and installation of fuel gas distribution piping systems, appliances, appliance venting systems, combustion air provisions, gaseous hydrogen systems, and motor vehicle gas fuel stations. Fuel gas includes natural, liquid petroleum, and manufactured gases.

Gas piping permits are issued by Public Health - Seattle & King County.

Seattle has adopted the 2018 International Fuel Gas Code, with amendments specific to our jurisdiction.

What It Isn't

With a few exceptions, the Fuel Gas Code does not cover:

  • Utility-owned piping and equipment (anything before the point of delivery)
  • Single-family houses, duplexes, and townhouses with up to three stories with separate entrances
  • Liquefied petroleum gas installations which are required to comply with Liquefied Petroleum Gas Code (NFPA 58) and National Fuel Gas Code (NFPA 54)

See sections 103.1 of the code for detailed information about exemptions.

Read the Code

This is a read-only version of the 2021 Seattle Fuel Gas Code. You can buy a full version from iccsafe.org. Print copies are available for sale through the Seattle Services Portal. See our pricelist and our ordering instructions.

The 2021 Seattle Fuel Gas Code contains substantial copyrighted material from the 2021 International Fuel Gas Code which is proprietary to and copyrighted by International Code Council, Inc. The licensed material is copyrighted by the International Code Council, Inc., has been obtained and reproduced with permission. The acronym “ICC” and the ICC logo are trademarks and service marks of ICC. ALL RIGHTS RESERVED.

This is a read-only version of the 2018 Seattle Fuel Gas Code. You can buy a full pdf version from iccsafe.org. Print copies are available for sale through the Seattle Services Portal. See our pricelist and our ordering instructions.

The 2018 Seattle Fuel Gas Code contains substantial copyrighted material from the 2018 International Fuel Gas Code which is proprietary to and copyrighted by International Code Council, Inc. The licensed material is copyrighted by the International Code Council, Inc., has been obtained and reproduced with permission. The acronym “ICC” and the ICC logo are trademarks and service marks of ICC. ALL RIGHTS RESERVED.

This is a read-only version of the 2015 Seattle Fuel Gas Code. You can buy a full version from iccsafe.org.

The 2015 Seattle Fuel Gas Code contains substantial copyrighted material from the 2015 International Fuel Gas Code which is proprietary to and copyrighted by International Code Council, Inc. The licensed material is copyrighted by the International Code Council, Inc., has been obtained and reproduced with permission. The acronym “ICC” and the ICC logo are trademarks and service marks of ICC. ALL RIGHTS RESERVED.

2012 Seattle Fuel Gas Code

This is a read-only version of the 2012 Seattle Fuel Gas Code. You can buy a full version from iccsafe.org.

Proposed Changes

We are updating the Seattle construction codes to the 2021 editions. See the 2021 Seattle Code Adoption page for more information.

Construction and Inspections

Nathan Torgelson, Director
Address: 700 5th Ave, Suite 2000, Seattle, WA, 98104
Mailing Address: P.O. Box 34019, Seattle, WA, 98124-4019
Phone: (206) 684-8600
Phone Alt: Violation Complaint Line: (206) 615-0808
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SDCI issues land use, construction, and trade permits, conducts construction and housing-related inspections, ensures compliance with our codes, and regulates rental rules. SDCI is committed to an antiracist workplace and to addressing racism through our work in the community.