Working for a safe, affordable, vibrant, innovative, and interconnected city.
Learn More
Seattle.gov Home Page
Seattle.gov This Department
Link to Seattle Department of Planning and Development home page

Plumbing Code

See also: Side Sewer Code

What Is It?

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.

Read the Code

This is a read-only version of the 2012 Seattle Building Code. You can buy a full version from the IAMPO Online Store, or by calling (909) 472-4208

Proposed Changes

None

What Do You Want To Do?


Still Need Help?


 Ask Us

  • Call us at (206) 684-8850

 Online