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

Heating and air conditioning in Castro Valley, CA

12 licensed heating and air conditioning · every license checked against the issuer's file

More cities in California

San Jose 296Los Angeles 292Sacramento 265San Diego 256Riverside 225Fresno 181Bakersfield 179Anaheim 158Glendale 128Corona 117El Cajon 117San Francisco 116Escondido 100Modesto 96Stockton 96Santa Rosa 92
1,278 listingsHow results are ordered
24

Jt Air Control

San Leandro, CA · (510) 456-6831

CA-CSLB 1154154 · C20Heating and air conditioning
License activechecked Oct 24, 2026
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25

Ocean HVAC

Hayward, CA · (415) 269-5669

CA-CSLB 1163124 · C20Heating and air conditioning
License activechecked Oct 24, 2026
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29

The Way Mechanical

San Lorenzo, CA · (415) 218-0484

CA-CSLB 1152130 · C20Heating and air conditioning
License activechecked Oct 24, 2026
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31

Tk & Associates Inc

San Leandro, CA · (510) 357-1570

CA-CSLB 395998 · C4 C10 +3PlumberElectricianHeating and air conditioning+1
License activechecked Oct 24, 2026
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32

Wilson Mechanical

San Leandro, CA · (415) 568-1587

CA-CSLB 1021303 · C20Heating and air conditioning
License activechecked Oct 24, 2026
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34

A & B Mechanical Inc

Hayward, CA · (510) 264-5800

CA-CSLB 740508 · C4 C20 +1PlumberHeating and air conditioning
License activechecked Oct 24, 2026
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35

A J Heating & Cooling Inc

Union City, CA · (510) 489-2382

CA-CSLB 921382 · C2 C20Drywall, plaster and insulationHeating and air conditioning
License activechecked Oct 24, 2026
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36

A & R HVAC

San Ramon, CA · (408) 999-0305

CA-CSLB 861542 · C20Heating and air conditioning
License activechecked Oct 24, 2026
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