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

Heating and air conditioning in Oakland, CA

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

More cities in California

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

1,007 listingsHow results are ordered

01

Ayoob & Peery Plumbing Co Inc

San Francisco, CA · (415) 550-0975

CA-CSLB 392967 · B C4 +3General contractorPlumberFire sprinkler contractor+1

License activechecked Oct 24, 2026

02

Bay Area Mechanical

San Francisco, CA · (925) 642-9768

CA-CSLB 1075566 · C20 C36Heating and air conditioningPlumber

License activechecked Oct 24, 2026

03

Bay Wide Plumbing Heating and Air

San Leandro, CA · (510) 570-6770

CA-CSLB 960675 · A B +2General engineering contractorGeneral contractorHeating and air conditioning+1

License activechecked Oct 24, 2026

04

Berkeley Plumbing & Heating Company Inc

Berkeley, CA · (510) 845-8200

CA-CSLB 293715 · C4 C16 +4PlumberFire sprinkler contractorHeating and air conditioning+1

License activechecked Oct 24, 2026

05

Big Cities Mechanical

San Leandro, CA · (510) 586-7224

CA-CSLB 1055776 · C20Heating and air conditioning

License activechecked Oct 24, 2026

06

Bonetti Frank Plumbing Inc

Castro Valley, CA · (510) 582-0934

CA-CSLB 251165 · C4 C20 +3PlumberHeating and air conditioningGeneral engineering contractor+1

License activechecked Oct 24, 2026

07

Cabrera Jesus J

San Francisco, CA · (415) 822-2121

CA-CSLB 938442 · C43Heating and air conditioning

License activechecked Oct 24, 2026

08

Cabrillo Plumbing & Heating

San Francisco, CA · (415) 821-0560

CA-CSLB 629538 · C20 C36Heating and air conditioningPlumber

License activechecked Oct 24, 2026

09

Cheng's Mechanical Contractor

Castro Valley, CA · (415) 806-3856

CA-CSLB 1036153 · C20Heating and air conditioning

License activechecked Oct 24, 2026

10

Collier Building Specialties Inc

San Francisco, CA · (415) 467-9235

CA-CSLB 481944 · B C17 +2General contractorGlass and window contractorSteel and welding contractor+1

License activechecked Oct 24, 2026

11

Cooper and Hawkins Incorporated

Berkeley, CA · (510) 845-4225

CA-CSLB 713456 · C4 C10 +1PlumberElectricianHeating and air conditioning

License activechecked Oct 24, 2026

12

Db's Refrigeration

Albany, CA · (510) 734-8933

CA-CSLB 1049788 · C38Heating and air conditioning

License activechecked Oct 24, 2026

13

Demakas Plumbing & Heating Inc

San Francisco, CA · (415) 282-2121

CA-CSLB 349523 · C4 C16 +4PlumberFire sprinkler contractorHeating and air conditioning+2

License activechecked Oct 24, 2026

14

Deng Construction

San Lorenzo, CA · (408) 268-7653

CA-CSLB 857147 · B C10 +2General contractorElectricianHeating and air conditioning+1

License activechecked Oct 24, 2026

15

Dennis's Heating & Cooling

San Francisco, CA · (415) 724-7494

CA-CSLB 1137367 · C20Heating and air conditioning

License activechecked Oct 24, 2026

16

Dmg Enterprises Inc

San Francisco, CA · (415) 515-0007

CA-CSLB 833910 · B C4 +3General contractorPlumberElectrician+1

License activechecked Oct 24, 2026

17

Dt Mechanical

San Leandro, CA · (510) 295-5143

CA-CSLB 954729 · C20Heating and air conditioning

License activechecked Oct 24, 2026

18

East Bay Hydronics

Emeryville, CA · (510) 485-2838

CA-CSLB 965247 · C20Heating and air conditioning

License activechecked Oct 24, 2026

19

Ergeon Inc

San Francisco, CA · (650) 300-4854

CA-CSLB 1040925 · B C8 +3General contractorConcrete contractorFence contractor+2

License activechecked Oct 24, 2026

20

Fong's Sheet Metal and Mechanical Inc

San Francisco, CA · (415) 822-8668

CA-CSLB 737372 · C43Heating and air conditioning

License activechecked Oct 24, 2026