Best Licensed Plumbers in Belmont, CA

9 plumbing companies registered in Belmont hold current CSLB licenses, verified against official records as of August 17, 2026. The 8 below are the top-ranked, ordered by workers' compensation cover and years licensed.

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1. 1.Piper's Plumbing

   ✓ CSLB License #931089 - look up this number at CSLBInsured - TECHNOLOGY INSURANCE COMPANY INCBonded - $25,000

   Verified

   August 17, 2026

   Licensed since

   2009

   Phone

   (650) 281-9360

2. 2.Discount Plumbing & Rooter Co

   ✓ CSLB License #1072245 - look up this number at CSLBInsured - EMPLOYERS PREFERRED INSURANCE COMPANYBonded - $25,000

   Verified

   August 17, 2026

   Licensed since

   2020

   Phone

   (408) 605-2048

3. 3.Argyris Plumbing

   ✓ CSLB License #280249 - look up this number at CSLBBonded - $25,000

   Verified

   August 17, 2026

   Licensed since

   1972

   Phone

   (415) 260-9324

4. 4.Woody's Plumbing

   ✓ CSLB License #311267 - look up this number at CSLBBonded - $25,000

   Verified

   August 17, 2026

   Licensed since

   1975

   Phone

   (415) 606-3943

5. 5.A & M Plumbing

   ✓ CSLB License #644782 - look up this number at CSLBBonded - $25,000

   Verified

   August 17, 2026

   Licensed since

   1992

   Phone

   (408) 828-6446

6. 6.Steve Moore Plumbing

   ✓ CSLB License #665278 - look up this number at CSLBBonded - $25,000

   Verified

   August 17, 2026

   Licensed since

   1993

   Phone

   (650) 593-9483

7. 7.M N General Contracting

   ✓ CSLB License #781241 - look up this number at CSLBBonded - $25,000

   Verified

   August 17, 2026

   Licensed since

   2000

   Phone

   (415) 850-7160

8. 8.A B P Plumbing Inc.

   ✓ CSLB License #835024 - look up this number at CSLBBonded - $25,000

   Verified

   August 17, 2026

   Licensed since

   2004

   Phone

   (408) 757-6267