Best Licensed Plumbers in Redmond, WA

15 plumbers companies registered in Redmond 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. 1.1-800-plumber + Air

   ✓ L&I License #1800PA*771MU — verify at state registryInsured — Federated Mutual Ins CoBonded — $6,000

   Verified

   August 12, 2026

   Phone

   +14252986969

2. 2.All Climate Heating & Air Cond

   ✓ L&I License #ALLCLCH745LN — verify at state registryInsured — Selective Ins Co of AmericaBonded — $6,000

   Verified

   August 12, 2026

   Phone

   +14257463077

3. 3.Bel-red Plumbing LLC

   ✓ L&I License #BELREPL794NG — verify at state registryInsured — Clear Blue Specialty InsuranceBonded — $6,000

   Verified

   August 12, 2026

   Phone

   +14254454569

4. 4.Bluelam Plumbing LLC

   ✓ L&I License #BLUELPL741LH — verify at state registryInsured — Obsidian Specialty Insurance CBonded — $6,000

   Verified

   August 12, 2026

   Phone

   +12068593094

5. 5.Classic Plumbing Inc.

   ✓ L&I License #CLASSPI791OB — verify at state registryInsured — Federated Mutual Ins CoBonded — $6,000

   Verified

   August 12, 2026

   Phone

   +12067932253

6. 6.Gs Mechanical LLC

   ✓ L&I License #GSMECML795RW — verify at state registryInsured — Ohio Security Ins CoBonded — $6,000

   Verified

   August 12, 2026

   Phone

   +12063720332

7. 7.Home Comfort Alliance LLC

   ✓ L&I License #HOMECCA751QG — verify at state registryInsured — Middlesex Insurance CompanyBonded — $6,000

   Verified

   August 12, 2026

   Phone

   +14255639809

8. 8.Langford Plumbing Inc.

   ✓ L&I License #LANGFPI789Q8 — verify at state registryInsured — State Farm Fire & Cas CoBonded — $6,000

   Verified

   August 12, 2026

   Phone

   +12064656240