NAICS 238220 · Plumbing, Heating, and Air-Conditioning Contractors

Plumbers in Castro Valley, CA

23 licensed plumbers · every license checked against the issuer's file

More cities in California

Los Angeles 651San Diego 494San Francisco 437San Jose 384Sacramento 242Riverside 208Bakersfield 191Anaheim 181Santa Rosa 157Glendale 156Long Beach 145Fresno 143Van Nuys 134El Cajon 133Escondido 128Oakland 128
Listings 1–20How results are ordered
02

Dong's Construction

Oakland, CA · (510) 292-0148

CA-CSLB 876620 · B C10 +1General contractorElectricianPlumber
License activechecked Oct 24, 2026
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05

Dwp Plumbing

Hayward, CA · (690) 669-4701

CA-CSLB 1002160 · C36Plumber
License activechecked Oct 24, 2026
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09

Ehret Co Plumbing

Oakland, CA · (510) 528-4292

CA-CSLB 834005 · B C20 +2General contractorHeating and air conditioningPlumber+1
License activechecked Oct 24, 2026
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18

G T Construction

San Leandro, CA · (510) 368-0233

CA-CSLB 868160 · B C36General contractorPlumber
License activechecked Oct 24, 2026
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