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

Heating and air conditioning in Clayton, CA

10 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
831 listingsHow results are ordered
30

Dei Monti Inc

Pittsburg, CA · (925) 381-7555

CA-CSLB 747609 · C20 C38Heating and air conditioning
License activechecked Oct 24, 2026
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33

Eco - Pro

Pittsburg, CA · (844) 605-2194

CA-CSLB 1014880 · C20Heating and air conditioning
License activechecked Oct 24, 2026
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34

Enterprise Roofing Service Inc

Concord, CA · (925) 689-8100

CA-CSLB 221274 · ASB B +3Asbestos and hazardous materials abatementGeneral contractorHeating and air conditioning+1
License activechecked Oct 24, 2026
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36

Freeway Mechanical

Concord, CA · (510) 280-4171

CA-CSLB 979656 · B C20General contractorHeating and air conditioning
License activechecked Oct 24, 2026
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38

Ground Level Construction Inc

Concord, CA · (925) 446-6084

CA-CSLB 991672 · A B +2General engineering contractorGeneral contractorHeating and air conditioning+1
License activechecked Oct 24, 2026
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