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

The California Contractors State License Board (CSLB) lists 8,936 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 October 8, 2026.

Showing 2,821–2,880 of 8,936 contractors

Davco / Tab Mechanical INC
Elk Grove, CA · CSLB #861968 · as of October 8, 2026
Active · clear
Dave Cierley Heating & Air Conditioning
Orangevale, CA · CSLB #1038417 · as of October 8, 2026
Active · clear
Dave's Heating & Air Conditioning
Calabasas, CA · CSLB #414910 · as of October 8, 2026
Active · clear
Dave's Heating & Air Conditioning
Farmersville, CA · CSLB #443079 · as of October 8, 2026
Active · clear
David Brown Heating & Air Conditioning LLC
Pacific Grove, CA · CSLB #1076388 · as of October 8, 2026
Active · clear
David's Repair Center
Walnut, CA · CSLB #750042 · as of October 8, 2026
Active · clear
Davies Heating & Air
Spring Valley Lake, CA · CSLB #905726 · as of October 8, 2026
Active · clear
Davinci Mechanical LLC
Orange, CA · CSLB #1083101 · as of October 8, 2026
Active · clear
Davis HVAC INC
Gilroy, CA · CSLB #1041260 · as of October 8, 2026
Active · clear
Jon Davis HVAC
Temecula, CA · CSLB #1119736 · as of October 8, 2026
Active · clear
Kyle Davis Air Conditioning And Heating INC
Newbury Park, CA · CSLB #962550 · as of October 8, 2026
Active · clear
Hudson P Davis INC DBA Davis Mechanical Systems
Vista, CA · CSLB #584824 · as of October 8, 2026
Active · clear
Steven B Davis
Truckee, CA · CSLB #790144 · as of October 8, 2026
Active · clear
Day & Night Heating And Air Conditioning
Palm Desert, CA · CSLB #966977 · as of October 8, 2026
Active · clear
Day & Night Heating-n-cooling
Fresno, CA · CSLB #1101099 · as of October 8, 2026
Active · clear
Day & Night Plumbing Of Mission Hills INC
Canyon Country, CA · CSLB #870301 · as of October 8, 2026
Active · clear
Day To Day Heating And Cooling
San Diego, CA · CSLB #1082620 · as of October 8, 2026
Active · clear
D B E Mechanical INC
Elk Grove, CA · CSLB #1118040 · as of October 8, 2026
Active · clear
D B H V A C & Appliance Repairs INC
Mission Hills, CA · CSLB #1026894 · as of October 8, 2026
Active · clear
D B Mechanical
Riverside, CA · CSLB #868162 · as of October 8, 2026
Active · clear
D C A C Air Conditioning
San Diego, CA · CSLB #1014884 · as of October 8, 2026
Active · clear
Dcac Mechanical INC
La Puente, CA · CSLB #1115613 · as of October 8, 2026
Active · clear
DC Air And Heating LLC
Lancaster, CA · CSLB #1158770 · as of October 8, 2026
Active · clear
D C Heating & Air
Topock, CA · CSLB #729341 · as of October 8, 2026
Active · clear
D C Heating And Air Conditioning
San Jose, CA · CSLB #599106 · as of October 8, 2026
Active · clear
DC Heating & Cooling INC
Fresno, CA · CSLB #986868 · as of October 8, 2026
Active · clear
D C Mechanical
Fountain Valley, CA · CSLB #850497 · as of October 8, 2026
Active · clear
D C Mechanical
Cutten, CA · CSLB #1009467 · as of October 8, 2026
Active · clear
DC Mechanical LLC
Modesto, CA · CSLB #1113800 · as of October 8, 2026
Active · clear
D C'S Heating & Air Conditioning
Laguna Hills, CA · CSLB #751391 · as of October 8, 2026
Active · clear
D & D HVAC INC
Fontana, CA · CSLB #1117423 · as of October 8, 2026
Active · clear
D&D HVAC Solutions
Arleta, CA · CSLB #1137371 · as of October 8, 2026
Active · clear
D & D Refrigeration INC
Long Beach, CA · CSLB #455063 · as of October 8, 2026
Active · clear
De Air Company INC
Oroville, CA · CSLB #478347 · as of October 8, 2026
Active · clear
Deal Heating And Air INC
Rescue, CA · CSLB #796396 · as of October 8, 2026
Active · clear
Deal Mechanical INC
West Sacramento, CA · CSLB #445102 · as of October 8, 2026
Active · clear
Dean's Mechanical
Sacramento, CA · CSLB #667990 · as of October 8, 2026
Active · clear
Dean's Plumbing & Heating INC
Bishop, CA · CSLB #798921 · as of October 8, 2026
Active · clear
Derrick L Deatherage
Oroville, CA · CSLB #869588 · as of October 8, 2026
Active · clear
Decarli Mechanical
Citrus Heights, CA · CSLB #1134082 · as of October 8, 2026
Active · clear
Decesaris Mechanical Services
Martinez, CA · CSLB #1150292 · as of October 8, 2026
Active · clear
Deco Air Conditioning And Heating
Riverside, CA · CSLB #978410 · as of October 8, 2026
Active · clear
Deep Water Plumbing & Heat & Air
Anaheim, CA · CSLB #974510 · as of October 8, 2026
Active · clear
Deganair
El Cajon, CA · CSLB #962181 · as of October 8, 2026
Active · clear
Degree Heating And Air
Ramona, CA · CSLB #1124157 · as of October 8, 2026
Active · clear
Degree H V A C INC
San Carlos, CA · CSLB #886908 · as of October 8, 2026
Active · clear
Deh Mechanical Company INC
Palm Desert, CA · CSLB #752819 · as of October 8, 2026
Active · clear
De HVAC INC
San Jose, CA · CSLB #1153927 · as of October 8, 2026
Active · clear
Dei Monti INC
Pittsburg, CA · CSLB #747609 · as of October 8, 2026
Active · clear
De Jong Air Conditiong & Heating
Mission Viejo, CA · CSLB #625188 · as of October 8, 2026
Active · clear
Delacuesta Heating And Air
Sacramento, CA · CSLB #942518 · as of October 8, 2026
Active · clear
De La Rosa Heating And Cooling
Littlerock, CA · CSLB #1113388 · as of October 8, 2026
Active · clear
Del Carpio's Air Conditioning
Lancaster, CA · CSLB #1095299 · as of October 8, 2026
Active · clear
Delcon Heating And Air Conditioning
Livermore, CA · CSLB #493271 · as of October 8, 2026
Active · clear
Delgadillo Heating & Air Conditioning
Pacoima, CA · CSLB #980163 · as of October 8, 2026
Active · clear
Delgado's HVAC & Appliance
San Jose, CA · CSLB #1128720 · as of October 8, 2026
Active · clear
Della-mora Heating And Air Conditioning
Chula Vista, CA · CSLB #923196 · as of October 8, 2026
Active · clear
Del Mar Mechanical INC
Redondo Beach, CA · CSLB #833288 · as of October 8, 2026
Active · clear
Del Mechanical
Chino Hills, CA · CSLB #517424 · as of October 8, 2026
Active · clear
Del Monte Mechanical INC
Antioch, CA · CSLB #950940 · as of October 8, 2026
Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of October 8, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.