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

Heating and air conditioning in South San Francisco, CA

22 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
820 listingsHow results are ordered
01

Unified Mechanical

South San Francisco, CA · (707) 342-4646

CA-CSLB 1158798 · C20Heating and air conditioning
License activechecked Oct 24, 2026
CallDetails
05

Cal Pacific Systems

Brisbane, CA · (415) 252-8600

CA-CSLB 924244 · A B +2General engineering contractorGeneral contractorHeating and air conditioning+1
License activechecked Oct 24, 2026
CallDetails
06

Carol J Flynn Inc

Brisbane, CA · (650) 697-1535

CA-CSLB 188751 · C20Heating and air conditioning
License activechecked Oct 24, 2026
CallDetails
08

D & W HVAC Inc

San Francisco, CA · (415) 828-4210

CA-CSLB 773400 · C20Heating and air conditioning
License activechecked Oct 24, 2026
CallDetails
10

Economy Plumbing

Burlingame, CA · (650) 756-5100

CA-CSLB 613784 · A B +5General engineering contractorGeneral contractorElectrician+2
License activechecked Oct 24, 2026
CallDetails
11

Flow Masters Plumbing Inc

Daly City, CA · (415) 751-1933

CA-CSLB 966337 · C16 C20 +1Fire sprinkler contractorHeating and air conditioningPlumber
License activechecked Oct 24, 2026
CallDetails
12

Genuine Construction Inc

Millbrae, CA · (415) 939-2632

CA-CSLB 913541 · B C10 +2General contractorElectricianHeating and air conditioning+1
License activechecked Oct 24, 2026
CallDetails
14

H & Z Construction Inc

Daly City, CA · (415) 310-2668

CA-CSLB 1058914 · A B +5General engineering contractorGeneral contractorElectrician+2
License activechecked Oct 24, 2026
CallDetails
15

High Zone Building Services

San Francisco, CA · (650) 867-6784

CA-CSLB 1044260 · B C10 +2General contractorElectricianHeating and air conditioning+1
License activechecked Oct 24, 2026
CallDetails
18

Kwok Sonny

Millbrae, CA · (415) 902-5804

CA-CSLB 866729 · C20Heating and air conditioning
License activechecked Oct 24, 2026
CallDetails
19

Main Air Inc

San Bruno, CA · (415) 980-9920

CA-CSLB 1032704 · C20Heating and air conditioning
License activechecked Oct 24, 2026
CallDetails