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

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1,300 listingsHow results are ordered
62

True Blue Air

Hayward, CA · (650) 336-4588

CA-CSLB 1078676 · B C20General contractorHeating and air conditioning
License activechecked Oct 24, 2026
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63

Turnkey HVAC

Hayward, CA · (510) 299-9875

CA-CSLB 1126546 · C20 C36Heating and air conditioningPlumber
License activechecked Oct 24, 2026
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70

Volta HVAC

San Ramon, CA · (925) 230-4045

CA-CSLB 1073370 · C10 C20 +1ElectricianHeating and air conditioningSolar installer
License activechecked Oct 24, 2026
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71

Wangs Contractor LLC

Union City, CA · (510) 962-1858

CA-CSLB 1144327 · B C10 +3General contractorElectricianHeating and air conditioning+2
License activechecked Oct 24, 2026
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72

Wes-Co Industries

San Leandro, CA · (510) 534-3320

CA-CSLB 246673 · A B +3General engineering contractorGeneral contractorElectrician+1
License activechecked Oct 24, 2026
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74

Yjv Stainless Inc

Hayward, CA · (510) 432-9338

CA-CSLB 1144643 · C43Heating and air conditioning
License activechecked Oct 24, 2026
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79

Advanced Control

Orinda, CA · (415) 250-9660

CA-CSLB 790912 · C20Heating and air conditioning
License activechecked Oct 24, 2026
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