Best Licensed Plumbers in Oak Harbor, WA
10 plumbers companies registered in Oak Harbor hold current L&I licenses, verified against official records as of August 12, 2026. The 8 companies below passed every verification check, ranked by insurance status and bond amount.
How we chose: We identified 12 companies registered in Oak Harbor. 10 passed license verification. These 8 passed every check. Our methodology
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- Verified
- August 12, 2026
- Phone
- +13602049133
- Verified
- August 12, 2026
- Phone
- +13605030032
- ✓ L&I License #HARBOPS790MG — verify at state registryInsured — Federated Mutual Ins CoBonded — $6,000
- Verified
- August 12, 2026
- Phone
- +13606751500
- ✓ L&I License #HIGHCCP783M1 — verify at state registryInsured — State Farm Fire & Cas CoBonded — $6,000
- Verified
- August 12, 2026
- Phone
- +13602070040
- ✓ L&I License #PRECIPB799O9 — verify at state registryInsured — State Farm Fire & Cas CoBonded — $6,000
- Verified
- August 12, 2026
- Phone
- +13609140321
- Verified
- August 12, 2026
- Phone
- +13607208446
- ✓ L&I License #ROCKYPP787LP — verify at state registryInsured — NATIONWIDE ASSURANCE COMPANYBonded — $6,000
- Verified
- August 12, 2026
- Phone
- +13606755944
- ✓ L&I License #SCOTTPR793NR — verify at state registryInsured — Federated Mutual Ins CoBonded — $6,000
- Verified
- August 12, 2026
- Phone
- +13606751402
Compare the top 6 at a glance
| Company | License | Insurance on file | Licensed since |
|---|---|---|---|
| Ck Backflow LLC | #CKBACBL748BG | Current | - |
| Golden Plumbing PLLC | #GOLDEPP799MF | Current | - |
| Harbor Plumbing South LLC | #HARBOPS790MG | Current | - |
| High Caliber Plumbing | #HIGHCCP783M1 | Current | - |
| Precision Plmbng & Bckflw Tstg | #PRECIPB799O9 | Current | - |
| R And L Plumbing | #RLPLULP769DO | Current | - |