Best Licensed Plumbers in Kennewick, WA

23 plumbers companies registered in Kennewick 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.

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1. 1.IV Rivers Inc.

   ✓ L&I License #IVRIVRI766PN — verify at state registryInsured — Ohio Security Ins CoBonded — $15,000

   Verified

   August 12, 2026

   Phone

   +15095859907

2. 2.1 Tom Plumber

   ✓ L&I License #1TOMPTP773O8 — verify at state registryInsured — Champlain Specialty InsuranceBonded — $6,000

   Verified

   August 12, 2026

   Phone

   +15097273413

3. 3.Advanced Plumbing & Rmdl LLC

   ✓ L&I License #ADVANPR791OP — verify at state registryInsured — Federated Mutual Ins CoBonded — $6,000

   Verified

   August 12, 2026

   Phone

   +15095318386

4. 4.Apollo Mechanical Contractors

   ✓ L&I License #APOLLMC795NR — verify at state registryInsured — National Union Fire Ins of PABonded — $6,000

   Verified

   August 12, 2026

   Phone

   +15095861104

5. 5.Bnb Mechanical LLC

   ✓ L&I License #BNBMEML792MN — verify at state registryInsured — Cincinnati Casualty CompanyBonded — $6,000

   Verified

   August 12, 2026

   Phone

   +15092211345

6. 6.C & M Plumbing

   ✓ L&I License #CMPLUMP788BR — verify at state registryInsured — Contractors Bonding & InsurancBonded — $6,000

   Verified

   August 12, 2026

   Phone

   +15097272094

7. 7.Coffey Refrigeration

   ✓ L&I License #COFFER*789DA — verify at state registryInsured — State Farm Fire & Cas CoBonded — $6,000

   Verified

   August 12, 2026

   Phone

   +15095861519

8. 8.Columbia Basin Plumbing LLC

   ✓ L&I License #COLUMBP799MF — verify at state registryInsured — Cincinnati Indemnity CompanyBonded — $6,000

   Verified

   August 12, 2026

   Phone

   +15096195003