About the Boiler Program

Washington State law requires that you have a permit before you install, reinstall or move any boiler or unfired pressure vessel.

If you have any questions, please contact the Boiler program.

What does the Boiler program do?

  • Perform safety inspections and issue operating permits for more than 114,000 boilers and unfired pressure vessels throughout the state.
  • Administer national board and state examinations.
  • Investigate accidents involving boilers or pressure vessels.
  • Inspect, audit and review manufacturers of boilers and pressure vessels for conformance with national construction standards.

Why does the Boiler program do what it does?

  • To ensure public safety by performing annual or biennial inspections.
  • To ensure proper manufacturing: We ensure that boilers and pressure vessels are manufactured to approved codes and standards.
  • To help owners, manufacturers, and repair firms understand the codes, rules and regulations.

End of main content, page footer follows.

Access Washington official state portal

  © Washington State Dept. of Labor & Industries. Use of this site is subject to the laws of the state of Washington.

Help us improve