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

Jema and Company

San Leandro, CA · (650) 592-7945

CA-CSLB 741518 · C10 C20ElectricianHeating and air conditioning
License activechecked Oct 24, 2026
CallDetails
53

Lunar Air Systems

Union City, CA · (408) 502-4201

CA-CSLB 1048078 · C20Heating and air conditioning
License activechecked Oct 24, 2026
CallDetails
57

Matheneys Plumbing & Heating

Danville, CA · (925) 362-9814

CA-CSLB 933520 · C20 C36 +1Heating and air conditioningPlumberExcavation, grading and paving
License activechecked Oct 24, 2026
CallDetails
58

Mauck Sheet Metal

Oakland, CA · (510) 638-3607

CA-CSLB 582359 · B C20 +2General contractorHeating and air conditioningSteel and welding contractor
License activechecked Oct 24, 2026
CallDetails
59

Metal Building Company

Oakland, CA · (510) 635-0111

CA-CSLB 421040 · B C43 +2General contractorHeating and air conditioningSteel and welding contractor+1
License activechecked Oct 24, 2026
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60

Mihas HVAC Inc

Oakland, CA · (415) 484-8437

CA-CSLB 1149214 · C20Heating and air conditioning
License activechecked Oct 24, 2026
CallDetails