Plumbing contractors in Seattle, WA
105 active plumbing contractors are registered with Washington L&I at a Seattle, WA address. 212 registrations are on record in all, including expired and other statuses.
All 212 registrations on record
Businesses by registered name and license number. Show only the 105 active registrations.
License STARPPM791O8 · First registered 2021
- Star Plumbing & Mechanical LLCRE-LICENSED
License STARPPM831O5 · First registered 2017
- TP PLUMBINGEXPIRED
License TPPLUP*820LK · First registered 2018
- UNCLE SHIETZ PLUMBING INCRE-LICENSED
License UNCLESP943O5 · First registered 2006
- VANZELIA LLCEXPIRED
License VANZEL*771ND · First registered 2023
- WALLINGFORD PLUMBING LLCEXPIRED
License WALLIPL796R3 · First registered 2021
- WALLINGFORD PLUMBING LLCRE-LICENSED
License WALLIPL922M3 · First registered 2008
- WEZEE'S PLUMBING INCRE-LICENSED
License WEEZEPI925C1 · First registered 2008
- WILLIAM LEONARD LLCRE-LICENSED
License WILLILL951B1 · First registered 2005
- ZOLAS PLUMBING LLCEXPIRED
License ZOLASPL881P3 · First registered 2012
- ZONE 8 PLUMBING & SEWER LLCEXPIRED
License ZONE88P773QA · First registered 2023
- ZOOM DRAINEXPIRED
License ZOOMDD*770L8 · First registered 2023
- Zesbro Plumbing LLCEXPIRED
License ZESBRPL803MW · First registered 2020