Plumbing and Gas Piping program

	Use the Online Services Portal to purchase plumbing and gas piping permits
	Who can purchase permits and who can do the work?
	Which jurisdictions in King County are permits issued?
	How do I get a Homeowner's Plumbing Permit?
	Downloadable permit applications
	Fee schedule for plumbing and gas piping services

Significant Code Provisions (PDF; updated May 8, 2012)
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.

	How do I get a Homeowner's Plumbing Permit?
	Where to get a copy of the Code
	Guidelines and policies for contractors, installers and interested persons
	Installing waste and vent pipes and fittings
	Drainage and venting fixture unit values
	Installing your new water heater
	Domestic dishwasher waste discharge (diagrams)
	Installing your new waterline
	Water supply fixture units (WSFU) and minimum fixture Branch pipe sizes
	Styles of pipe fittings

	Where to get a copy of the Code
	Guidelines and policies for contractors, installers and interested persons
	Installing your new water heater
	Installing gas piping

	Drinking water program
	Wastewater program (onsite septic systems)
	Water recreation program (public and semi-public pools and spas)