The Seattle Plumbing Code regulates design, installation, and maintenance of plumbing systems and fixtures. The 2012 Washington State Plumbing Code with Seattle amendments is in effect in Seattle. The Seattle Plumbing Code is enforced by Public Health - Seattle & King County.
This is a read-only version of the 2012 Seattle Plumbing Code. You can buy a full version from the IAMPO Online Store, or by calling (909) 472-4208
City Council is expected to vote on our proposed 2014 Seattle Plumbing Code on Monday, October 20. Our proposed changes will likely take effect in late November.