Plumbing and gas piping code books and information

Code books can be purchased from Seattle Dept. of Planning and Development (20th floor Seattle Municipal Tower).

• The Seattle Plumbing Code can also be viewed online.

There are also some other websites where you can find additional code related information and publications:

• Washington Association of Building Officials
  Code books and code information
  
  
• International Code Council
  Code books and code information
  
  
• Washington State Dept. of Labor and Industries
  Contractor registration and plumbing installer certification
  
  
• King County Parcel Viewer
  Find tax parcel numbers and addresses
  
  
• Seattle Dept. of Construction & Inspections
  Seattle building and mechanical permits
  
  
• King County Dept. of Local Services, Permitting Division
  King County building and mechanical permits
  
  
• Seattle Side Sewer Cards
  Property sewer locations and connections
  
  
• Seattle Public Utilities
  Sewer and water utilities