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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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
42

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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43

Turnkey HVAC

Hayward, CA · (510) 299-9875

CA-CSLB 1126546 · C20 C36Heating and air conditioningPlumber
License activechecked Oct 24, 2026
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49

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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50

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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51

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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53

Yjv Stainless Inc

Hayward, CA · (510) 432-9338

CA-CSLB 1144643 · C43Heating and air conditioning
License activechecked Oct 24, 2026
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58

Advanced Control

Orinda, CA · (415) 250-9660

CA-CSLB 790912 · C20Heating and air conditioning
License activechecked Oct 24, 2026
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60

Air Control

Lafayette, CA · (925) 938-4822

CA-CSLB 737768 · C20Heating and air conditioning
License activechecked Oct 24, 2026
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