Licensed Heating & Air Conditioning (C-20) contractors in Concord, CA

The California Contractors State License Board (CSLB) lists 57 Heating & Air Conditioning (C-20) contractors in Concord, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of October 6, 2026.

57 contractors

A C Heating & Cooling Service INC
Concord, CA · CSLB #928075 · as of October 6, 2026
Active · clear
Air Pro HVAC
Concord, CA · CSLB #855074 · as of October 6, 2026
Active · clear
Air Time Mechanical INC
Concord, CA · CSLB #736604 · as of October 6, 2026
Active · clear
Ampko Heating And Air Conditioning
Concord, CA · CSLB #689604 · as of October 6, 2026
Active · clear
Apm Mechanical Heating & Air
Concord, CA · CSLB #1123485 · as of October 6, 2026
Active · clear
Arctic Refrigeration INC
Concord, CA · CSLB #322738 · as of October 6, 2026
Active · clear
A S A P Heating & Cooling
Concord, CA · CSLB #896664 · as of October 6, 2026
Active · clear
Atc Mechanical LLC
Concord, CA · CSLB #1043760 · as of October 6, 2026
Active · clear
A V R Heating & Cooling Service
Concord, CA · CSLB #972841 · as of October 6, 2026
Active · clear
Aziz Ahmad Azizi
Concord, CA · CSLB #1161947 · as of October 6, 2026
Active · clear
Cali HVAC INC
Concord, CA · CSLB #1087460 · as of October 6, 2026
Active · clear
Ces-tech Heating And Cooling
Concord, CA · CSLB #1042215 · as of October 6, 2026
Active · clear
Classic Heating And Air Conditioning
Concord, CA · CSLB #960065 · as of October 6, 2026
Active · clear
Clean Air HVAC INC
Concord, CA · CSLB #829011 · as of October 6, 2026
Active · clear
Compare Heating Air Conditioning And Sheet Metal
Concord, CA · CSLB #220289 · as of October 6, 2026
Active · clear
Complete Care Heating And Air Conditioning INC
Concord, CA · CSLB #1088603 · as of October 6, 2026
Active · clear
Contra Costa Climate Control INC
Concord, CA · CSLB #813250 · as of October 6, 2026
Active · clear
Cooling And Heating Solutions
Concord, CA · CSLB #1053819 · as of October 6, 2026
Active · clear
Delta Mechanical
Concord, CA · CSLB #1149376 · as of October 6, 2026
Active · clear
Devil Mountain Mechanical Services
Concord, CA · CSLB #894957 · as of October 6, 2026
Active · clear
East Bay Heating And Cooling INC
Concord, CA · CSLB #1055076 · as of October 6, 2026
Active · clear
Ferreira's Heating And Air Conditioning INC
Concord, CA · CSLB #1031063 · as of October 6, 2026
Active · clear
Five Star HVAC Service
Concord, CA · CSLB #1145024 · as of October 6, 2026
Active · clear
Gapex INC
Concord, CA · CSLB #1033596 · as of October 6, 2026
Active · clear
Gardner Mechanical
Concord, CA · CSLB #1151782 · as of October 6, 2026
Active · clear
Global Comfort Heating & Air
Concord, CA · CSLB #410905 · as of October 6, 2026
Active · clear
John D Hartvickson
Concord, CA · CSLB #409642 · as of October 6, 2026
Active · clear
High Performance Heating & Air
Concord, CA · CSLB #821099 · as of October 6, 2026
Active · clear
High Tech Plumbing
Concord, CA · CSLB #1021954 · as of October 6, 2026
Active · clear
Hometown Heating And Air Conditioning
Concord, CA · CSLB #1005143 · as of October 6, 2026
Active · clear
HQR Air INC
Concord, CA · CSLB #1125372 · as of October 6, 2026
Active · clear
HVAC For Les$ Incorporated
Concord, CA · CSLB #1038617 · as of October 6, 2026
Active · clear
Infinium Air INC
Concord, CA · CSLB #995372 · as of October 6, 2026
Active · clear
JC Climate Control Technology's INC
Concord, CA · CSLB #1050705 · as of October 6, 2026
Active · clear
K & R Heating And Air Conditioning Service
Concord, CA · CSLB #986374 · as of October 6, 2026
Active · clear
K & R Heating And Cooling Service INC
Concord, CA · CSLB #1148600 · as of October 6, 2026
Active · clear
Mechpros Heating And Air Conditioning
Concord, CA · CSLB #996940 · as of October 6, 2026
Active · clear
M & S Hvacr Contractors INC
Concord, CA · CSLB #956647 · as of October 6, 2026
Active · clear
Nickels HVAC
Concord, CA · CSLB #1144848 · as of October 6, 2026
Active · clear
NWP Heating And Air
Concord, CA · CSLB #1133687 · as of October 6, 2026
Active · clear
Polar Mechanical INC
Concord, CA · CSLB #1062744 · as of October 6, 2026
Active · clear
Powell Mechanical INC
Concord, CA · CSLB #1080625 · as of October 6, 2026
Active · clear
Robert L Dias DBA Rd's Service Contractor
Concord, CA · CSLB #523223 · as of October 6, 2026
Active · clear
Danny B Meinecke DBA Refreshed Heating & Cooling
Concord, CA · CSLB #697406 · as of October 6, 2026
Active · clear
Romero's HVAC INC
Concord, CA · CSLB #709906 · as of October 6, 2026
Active · clear
Sayman Mechanical Systems INC
Concord, CA · CSLB #1045145 · as of October 6, 2026
Active · clear
Smart Heating And Air Conditioning INC
Concord, CA · CSLB #1084354 · as of October 6, 2026
Active · clear
Soto H V A C
Concord, CA · CSLB #888673 · as of October 6, 2026
Active · clear
Swift Certified Mechanical
Concord, CA · CSLB #717212 · as of October 6, 2026
Active · clear
Thermo H V A C Refrigeration
Concord, CA · CSLB #1024929 · as of October 6, 2026
Active · clear
Raul Fernando Valderrama
Concord, CA · CSLB #918778 · as of October 6, 2026
Active · clear
Luis F Vilchez
Concord, CA · CSLB #879014 · as of October 6, 2026
Active · clear
Voltyx Heating & Air
Concord, CA · CSLB #1141249 · as of October 6, 2026
Active · clear
Walnut Creek Heating And Air Conditioning
Concord, CA · CSLB #972682 · as of October 6, 2026
Active · clear
ZF Heating & Cooling
Concord, CA · CSLB #1149602 · as of October 6, 2026
Active · clear
Monzo HVAC Consulting INC
Concord, CA · CSLB #1140108 · as of October 6, 2026
Suspended
Westec Air Systems CO
Concord, CA · CSLB #825618 · as of October 6, 2026
Suspended · workers' comp

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Data sourced from the California Contractors State License Board (CSLB), current as of October 6, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.