Licensed Heating & Air Conditioning (C-20) contractors in California

The California Contractors State License Board (CSLB) lists 8,994 California contractors classified C-20 (Heating & Air Conditioning (C-20)). Each entry below links to a full dossier with license status, insurance, bond, and enforcement — as of June 27, 2026.

Showing 1–60 of 8,994 contractors

A C M D
Northridge, CA · CSLB #884855 · as of June 27, 2026
Suspended · bond payout
Advance Heating And Air Conditioning
Brentwood, CA · CSLB #712246 · as of June 27, 2026
Suspended · bond payout
Best Air & Heating CO
West Hills, CA · CSLB #1050676 · as of June 27, 2026
Suspended · bond payout
Source Mechanical Heating & Air Conditioning
Orange, CA · CSLB #1121531 · as of June 27, 2026
Suspended · bond payout
Think Home Services HVAC
San Jose, CA · CSLB #1034310 · as of June 27, 2026
Suspended · bond payout
100 Degree Mechanical
Stockton, CA · CSLB #1122898 · as of June 27, 2026
Active · clear
101 Ac & Heating INC
Oxnard, CA · CSLB #1141177 · as of June 27, 2026
Active · clear
101 Mechanical
Windsor, CA · CSLB #1046679 · as of June 27, 2026
Active · clear
101 Plumbing Heating And Cooling
Novato, CA · CSLB #1124487 · as of June 27, 2026
Active · clear
110 Pro HVAC INC
Encino, CA · CSLB #788471 · as of June 27, 2026
Active · clear
1111 Heating And Air Conditioning
Corona, CA · CSLB #1103657 · as of June 27, 2026
Active · clear
11 11 Heating And Cooling
San Bernardino, CA · CSLB #1116625 · as of June 27, 2026
Active · clear
1111 HVAC Services LLC
Menifee, CA · CSLB #1120510 · as of June 27, 2026
Active · clear
1800 Anytime Plumbing Heating & Air
Coronado, CA · CSLB #1079616 · as of June 27, 2026
Active · clear
1-800-coolness
Fullerton, CA · CSLB #871741 · as of June 27, 2026
Active · clear
1-800 Plumber + Air Of Monterey
Seaside, CA · CSLB #1106294 · as of June 27, 2026
Active · clear
1-877 Appliance Repair INC
La Mesa, CA · CSLB #1066554 · as of June 27, 2026
Active · clear
1 Ac Guys
Panorama City, CA · CSLB #1138177 · as of June 27, 2026
Active · clear
1 Aircare HVAC
Modesto, CA · CSLB #1067669 · as of June 27, 2026
Active · clear
1 Haro 1 LLC
San Jose, CA · CSLB #1109668 · as of June 27, 2026
Active · clear
1ST Call Refrigeration INC
Whittier, CA · CSLB #1096477 · as of June 27, 2026
Active · clear
1ST Choice Air Solutions
San Bernardino, CA · CSLB #1152700 · as of June 27, 2026
Active · clear
1ST Choice Heating & Air Conditioning INC
Lake Forest, CA · CSLB #1006824 · as of June 27, 2026
Active · clear
1ST Gen HVAC LLC
Richmond, CA · CSLB #1136645 · as of June 27, 2026
Active · clear
1ST HVAC INC
Moorpark, CA · CSLB #1071372 · as of June 27, 2026
Active · clear
1ST Team Air Conditioning INC
Murrieta, CA · CSLB #862356 · as of June 27, 2026
Active · clear
2020 Heating & Air INC
San Jose, CA · CSLB #1092631 · as of June 27, 2026
Active · clear
20 / 20 Plumbing & Heating INC
Riverside, CA · CSLB #1001965 · as of June 27, 2026
Active · clear
20th Century Air INC
Murrieta, CA · CSLB #511598 · as of June 27, 2026
Active · clear
21st Century Air Master H V A C INC
Aliso Viejo, CA · CSLB #981744 · as of June 27, 2026
Active · clear
23 1/2 Hour Home Services INC
Palm Springs, CA · CSLB #831798 · as of June 27, 2026
Active · clear
24/7 Air Conditioning
San Antonio, CA · CSLB #826263 · as of June 27, 2026
Active · clear
24/7 Comfort Cooling & Heating
Jurupa Valley, CA · CSLB #1149972 · as of June 27, 2026
Active · clear
24/7 Drain Rooter INC
El Cajon, CA · CSLB #1015867 · as of June 27, 2026
Active · clear
2 Elements Heating & A/c
Hacienda Heights, CA · CSLB #1131510 · as of June 27, 2026
Active · clear
310 HVAC LLC
Mar Vista, CA · CSLB #1141651 · as of June 27, 2026
Active · clear
360 Air Conditioning
Los Angeles, CA · CSLB #1083964 · as of June 27, 2026
Active · clear
360 Heating & Air
Los Angeles, CA · CSLB #955189 · as of June 27, 2026
Active · clear
3D Heating And Air LLC
Sacramento, CA · CSLB #1087804 · as of June 27, 2026
Active · clear
3e Air INC
Tulare, CA · CSLB #974718 · as of June 27, 2026
Active · clear
3 Elements Heating & Cooling INC
Newman, CA · CSLB #1140551 · as of June 27, 2026
Active · clear
3in1 Control INC
West Sacramento, CA · CSLB #845384 · as of June 27, 2026
Active · clear
3rdgen Home Services DBA 3rdgen Heating And Cooling
Berkeley, CA · CSLB #1086898 · as of June 27, 2026
Active · clear
405 HVAC
Irvine, CA · CSLB #1080202 · as of June 27, 2026
Active · clear
411 Heating & Ac LLC
Clayton, CA · CSLB #993500 · as of June 27, 2026
Active · clear
4 G Heating & Air
Manteca, CA · CSLB #1044384 · as of June 27, 2026
Active · clear
4 Points A/c And Heating
San Bernardino, CA · CSLB #919714 · as of June 27, 2026
Active · clear
4 S Air INC
Rancho Cucamonga, CA · CSLB #931194 · as of June 27, 2026
Active · clear
4 Season Air
Sylmar, CA · CSLB #1142517 · as of June 27, 2026
Active · clear
4-seasons Heating & Air Conditioning
Castro Valley, CA · CSLB #962971 · as of June 27, 2026
Active · clear
4 Seasons HVAC
Monrovia, CA · CSLB #1033914 · as of June 27, 2026
Active · clear
4 Winds Mechanical INC
Sacramento, CA · CSLB #1056588 · as of June 27, 2026
Active · clear
559 Heating & Cooling INC
Lindsay, CA · CSLB #1023559 · as of June 27, 2026
Active · clear
57 Heating And Air Conditioning
Fullerton, CA · CSLB #1130374 · as of June 27, 2026
Active · clear
5 Star Best Plumbing
Newhall, CA · CSLB #1041772 · as of June 27, 2026
Active · clear
5 Star Heating & Cooling
Paramount, CA · CSLB #1063979 · as of June 27, 2026
Active · clear
5 Star Mechanical INC
San Diego, CA · CSLB #1157122 · as of June 27, 2026
Active · clear
5 Star Plumbing Heating & Air Cond
Los Banos, CA · CSLB #888404 · as of June 27, 2026
Active · clear
5 Star Plumbing Heating & Air INC
Hemet, CA · CSLB #1014340 · as of June 27, 2026
Active · clear
619 Heating And Air
Chula Vista, CA · CSLB #1084005 · as of June 27, 2026
Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of June 27, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.