
Plumbing & Irrigation in Seattle, WA
Compare 40 plumbing & irrigation contractors near you in Seattle and surrounding area with an average rating of 4.7/5. Get free quotes, read reviews, and find the right pro for your project.
Last updated March 22, 2026
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Other Businesses in This Area
C & C Irrigation & Lawn LLC
5.0~4 years onlineEcoyards
5.019+ years onlineQueen Plumbing LLC
5.06+ years onlineSound Irrigation Inc
5.022+ years online2 Sons Plumbing, Sewer, Septic, Electric, Heating & Air
4.98½+ years onlineEco Electric, Plumbing, Heating and Air
4.9~9 years onlineFrench Landscape Irrigation
4.916½+ years onlinePuget Seattle Plumbers and Drain Cleaning Co.
4.9Bee's Plumbing and Heating
4.89½+ years onlineCraftsman Plumbing
4.812+ years onlineJafco Plumbing and Sewer
4.88½+ years onlineMr. Rooter Plumbing of Seattle
4.830+ years onlineO'Neill Plumbing
4.816½+ years onlineRaymark Plumbing & Sewer
4.8~24 years onlineCity Rain
4.618½+ years onlinePacific Northwest Irrigation
4.6Beacon Plumbing, Heating, Electrical & Mechanical Inc - Seattle
4.523½+ years onlineEwing Outdoor Supply
4.53½+ years onlinePioneer Plumbing & Sewer
4.4Prime Irrigation LLC
4.2~6 years onlineAlpine Sprinklers
4.024+ years onlineSoundview Landscape Irrigation
3.7~17 years onlineViking Automatic Sprinkler Company
2.7~25 years onlinePlumbing & Irrigation in Nearby WA Cities
Other Services in Seattle
Plumbing & Irrigation in Seattle, WA
Plumbing and irrigation in Seattle serves a Puget Sound tech-heavy market: Victorian and Craftsman homes in Capitol Hill and Wallingford, mid-century Ramblers, modern condos in Belltown and South Lake Union, and commercial plumbing. Typical jobs include water heater replacement, sewer lateral replacement (Seattle requires certification at property transfer), slab-leak detection, and seasonal irrigation. Seattle historic preservation and sewer-lateral ordinance drive approach.
Plumbing service calls in Seattle run $200-$450; water heater installs $2,000-$4,500; sewer lateral replacement $10,000-$25,000; tankless installs $3,500-$7,000. Washington State requires a Plumber Certification. Seattle permits apply. Seattle's sewer lateral ordinance requires certification at property transfer.
Frequently Asked Questions
- What's Seattle's sewer lateral requirement?
- Seattle SPU requires inspection at property transfer. Failed laterals require replacement.
- Should I install tankless?
- Popular with tech-demographic. $3,500-$7,000 installed.
- How do Pacific NW conditions affect plumbing?
- High humidity drives foundation drainage demand. Rarely freezes — minimal winterization.
About NeedInstall
NeedInstall helps connect customers with local installation professionals across Seattle and surrounding communities. Featured contractors have claimed their profile and verified their business information. Listings marked as "Verified Pro" have been confirmed by the business owner.

