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
03

Chou Andrew Chih-Ping

Union City, CA · (510) 415-9688

CA-CSLB 583765 · B C16 +1General contractorFire sprinkler contractorPlumber
License activechecked Oct 24, 2026
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05

Chris' Plumbing Inc

Hayward, CA · (510) 346-8402

CA-CSLB 795046 · C4 C16 +1PlumberFire sprinkler contractor
License activechecked Oct 24, 2026
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07

Comfort Dynamics Inc

San Leandro, CA · (510) 352-8501

CA-CSLB 768923 · C20 C36 +1Heating and air conditioningPlumberSolar installer
License activechecked Oct 24, 2026
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12

Csb Plumbing

San Ramon, CA · (925) 698-9436

CA-CSLB 1136765 · C36Plumber
License activechecked Oct 24, 2026
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13

Custom Stone Bg Inc

San Leandro, CA · (510) 667-0099

CA-CSLB 807497 · B C29 +1General contractorMasonry contractorPlumber
License activechecked Oct 24, 2026
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14

Cxc Construction

Danville, CA · (925) 665-4321

CA-CSLB 962064 · B C36General contractorPlumber
License activechecked Oct 24, 2026
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15

D C Construction

Oakland, CA · (510) 536-1068

CA-CSLB 498901 · B C10 +1General contractorElectricianPlumber
License activechecked Oct 24, 2026
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16

D V Construction

Oakland, CA · (510) 213-1088

CA-CSLB 635540 · B C36General contractorPlumber
License activechecked Oct 24, 2026
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17

D W Nicholson Corporation

Hayward, CA · (510) 887-0900

CA-CSLB 68847 · A B +10General engineering contractorGeneral contractorPlumber+2
License activechecked Oct 24, 2026
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19

Dasom Builder

Dublin, CA · (925) 895-1975

CA-CSLB 1080712 · B C10 +1General contractorElectricianPlumber
License activechecked Oct 24, 2026
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