Best Licensed Plumbers in Kingston, WA
7 plumbers companies registered in Kingston hold current L&I licenses, verified against official records as of August 12, 2026. The 7 companies below passed every verification check, ranked by insurance status and bond amount.
How we chose: We identified 9 companies registered in Kingston. 7 passed license verification. These 7 passed every check. Our methodology
We earn a fee when you call businesses through numbers on this site. This never affects who is listed or how they rank.
- ✓ L&I License #AARONPL797NF — verify at state registryInsured — Contractors Bonding & InsurancBonded — $6,000
- Verified
- August 12, 2026
- Phone
- +13602978420
- Verified
- August 12, 2026
- Phone
- +13609087514
- ✓ L&I License #CASCAM*767QM — verify at state registryInsured — Berkley Specialty Insurance CoBonded — $6,000
- Verified
- August 12, 2026
- Phone
- +13606203284
- ✓ L&I License #CLEANWS754RB — verify at state registryInsured — TRI-STATE INSURANCE COMPANY OFBonded — $6,000
- Verified
- August 12, 2026
- Phone
- +13609088947
- ✓ L&I License #CRABTWD786LS — verify at state registryInsured — HDI Global Insurance CompanyBonded — $6,000
- Verified
- August 12, 2026
- Phone
- +13606382317
- ✓ L&I License #PIPECL*741C5 — verify at state registryInsured — State National Ins Co IncBonded — $6,000
- Verified
- August 12, 2026
- Phone
- +12069304928
- ✓ L&I License #SUPREPC783BJ — verify at state registryInsured — Contractors Bonding & InsurancBonded — $6,000
- Verified
- August 12, 2026
- Phone
- +12062616282
Compare the top 6 at a glance
| Company | License | Insurance on file | Licensed since |
|---|---|---|---|
| Aaron's Plumbing LLC | #AARONPL797NF | Current | - |
| Backflow Assembly Sltns Inc. | #BACKFAS760K4 | Current | - |
| Cascadia Mechanical | #CASCAM*767QM | Current | - |
| Clean Water Seattle LLC | #CLEANWS754RB | Current | - |
| Crabtree Well Drilling LLC | #CRABTWD786LS | Current | - |
| Pipecraft LLC | #PIPECL*741C5 | Current | - |