Plumbing contractors in Oak Harbor, WA
11 active plumbing contractors are registered with Washington L&I at a Oak Harbor, WA address. 20 registrations are on record in all, including expired and other statuses.
By the numbers
- Active registrations
- 11
- Registrations on record, all statuses
- 20
- Registered in the last 12 months
- 3
- Median years registered, active
- 4
- Suspension on record
- 1
- Complaint records matched
- 2
- Counts of L&I contractor registration records, computed October 8, 2026. Active means the state's record shows ACTIVE status. Years are counted from each registration's effective date.
- Suspension on record: registrations with SUSPENDED status, plus active or re-licensed registrations that carry a suspension date.
- Complaint records matched: contractors with at least one Attorney General consumer complaint record under the same business name and city. A complaint record is not a finding of wrongdoing.
- Sources: L&I Contractor License Data - General andAttorney General Consumer Complaints. Seehow directory numbers are computed.
Longest registered
- HARBOR PLUMBING SOUTH LLCRegistered since July 30, 2021
- SCOTTIE'S PLMBG & REPAIR INCRegistered since August 17, 2021
- GOLDEN PLUMBING PLLCRegistered since October 14, 2021
- TUBULAR PLBG/GRN THMB GRDN PRJRegistered since October 25, 2021
- PRECISION PLMBNG & BCKFLW TSTGRegistered since December 6, 2021
Recently registered
- ISLAND PLBG & PIPE WORKS LLCRegistered on October 5, 2026
- SCOTTIE'S PLUMBING LLCRegistered on August 31, 2026
- CK BACKFLOW LLCRegistered on January 7, 2026
- R AND L PLUMBINGRegistered on April 5, 2024
- THREE DRAKES MECH & PLUMBINGRegistered on January 23, 2023
Active registrations, by the effective date on the state's record.
All 20 registrations on record
Businesses by registered name and license number. Show only the 11 active registrations.
- CK BACKFLOW LLCACTIVE
License CKBACBL748BG · Registered less than 1 year
- GOLDEN PLUMBING PLLCACTIVE
License GOLDEPP799MF · Registered 4 years
License HARBOPS790MG · Registered 5 years
License ISLANPP740O5 · Registered less than 1 year
License PRECIPB799O9 · Registered 4 years
- R AND L PLUMBINGACTIVE
License RLPLULP769DO · Registered 2 years
License ROCKYPP787LP · Registered 4 years
License SCOTTPR793NR · Registered 5 years
- SCOTTIE'S PLUMBING LLCACTIVE
License SCOTTPL743N4 · Registered less than 1 year
License THREEDM777BE · Registered 3 years
License TUBULPT791PH · Registered 4 years
- ANACORTES PLUMBINGEXPIRED
License ANACOP*827LR · First registered 2018
- ANACORTES PLUMBINGRE-LICENSED
License ANACOP*863JP · First registered 2014
- FULL SPEED PLUMBINGEXPIRED
License FULLSSP783DG · First registered 2022
- GOLDEN PLUMBING PLLCRE-LICENSED
License GOLDEPP793CR · First registered 2021
- HARBOR MECHANICAL INCEXPIRED
License HARBOMI022DF · First registered 1998
- HARBOR PLUMBING SOUTH LLCRE-LICENSED
License HARBOPS813MR · First registered 2019
- SCOTTIE'S PLMBG & REPAIR INCRE-LICENSED
License SCOTTPR895N2 · First registered 2011
- WHIDBEY ISLAND PLUMBINGEXPIRED
License WHIDBIP922CS · First registered 2008
- WHIDBEY MAINTENANCE AND PLBGEXPIRED
License WHIDBMP786J8 · First registered 2022