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Hire a registered contractor
Guidance on hiring a registered contractor for plumbing and gas piping installations.
Can I do my own plumbing work?
In the State of Washington, contains the rules and regulations governing plumber certification. An owner may perform their own plumbing work. They may also enlist the help of a friend, neighbor, relative, or other acquaintance, as long as they are not compensated. If you are paying to have plumbing work done, the installer is required to be a certified journeyman plumber. They must also be a registered contractor or be employed by a registered contractor. More information is available from the .
Who can I hire to install plumbing and gas piping?
In the State of Washington, contains the rules and regulations governing contractor registration. All contractors who perform work, advertise or submit bids must be registered with the Department of Labor & Industries. They must also post a bond and carry general liability insurance coverage. More information is available from the .
Can I do my own gas piping work?
Property owners can install gas piping on property they own. If you are paying to have gas piping work done, the installer is required to be a registered contractor or be employed by a registered contractor. Please note that within the City of Seattle only, a gas pipe installer must be the property owner, or they must hold a .
Who can purchase a plumbing or gas piping permit?
Property owners/lease holders performing their own plumbing or licensed plumbing contractors may purchase plumbing permits (). Gas piping permits may be purchased by property owners, general contractors and specialty contractors whether they intend to perform the work themselves or contract for the services.
Resources
- , WA State Dept. of Labor & Industries
- , WA State Dept. of Labor & Industries
- , Seattle Dept. of Construction & Inspection