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

The California Contractors State License Board (CSLB) lists 8,999 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 29, 2026.

Showing 2,821–2,880 of 8,999 contractors

Danush Appliances
Montebello, CA · CSLB #948378 · as of June 29, 2026
Active · clear
Toan Dao
Fountain Valley, CA · CSLB #1076523 · as of June 29, 2026
Active · clear
Darrin Durbin
San Juan Capistrano, CA · CSLB #1028512 · as of June 29, 2026
Active · clear
Darryl's Heating And Air
Sacramento, CA · CSLB #1126157 · as of June 29, 2026
Active · clear
Darwen Paul Rankl JR
Sherwood Forest, CA · CSLB #991615 · as of June 29, 2026
Active · clear
Dasco Mechancial Services INC
Santa Clarita, CA · CSLB #992175 · as of June 29, 2026
Active · clear
Mark Dattilo's Heating And Air Conditioning INC
San Bernardino, CA · CSLB #543701 · as of June 29, 2026
Active · clear
Davco Air Conditioning INC
Palmdale, CA · CSLB #1018835 · as of June 29, 2026
Active · clear
Davco / Tab Mechanical INC
Elk Grove, CA · CSLB #861968 · as of June 29, 2026
Active · clear
Dave Cierley Heating & Air Conditioning
Orangevale, CA · CSLB #1038417 · as of June 29, 2026
Active · clear
Dave Hoffman HVAC
Sacramento, CA · CSLB #1139901 · as of June 29, 2026
Active · clear
Dave's Heating & Air Conditioning
Calabasas, CA · CSLB #414910 · as of June 29, 2026
Active · clear
Dave's Quality Heating & Air
Atascadero, CA · CSLB #1096684 · as of June 29, 2026
Active · clear
Dave's Refrigeration Air Cond & Heating
Camarillo, CA · CSLB #355225 · as of June 29, 2026
Active · clear
David Brown Heating & Air Conditioning LLC
Pacific Grove, CA · CSLB #1076388 · as of June 29, 2026
Active · clear
David's Repair Center
Walnut, CA · CSLB #750042 · as of June 29, 2026
Active · clear
Davies Heating & Air
Spring Valley Lake, CA · CSLB #905726 · as of June 29, 2026
Active · clear
Davinci Mechanical LLC
Orange, CA · CSLB #1083101 · as of June 29, 2026
Active · clear
Davis HVAC INC
Gilroy, CA · CSLB #1041260 · as of June 29, 2026
Active · clear
Jon Davis HVAC
Temecula, CA · CSLB #1119736 · as of June 29, 2026
Active · clear
Kyle Davis Air Conditioning And Heating INC
Newbury Park, CA · CSLB #962550 · as of June 29, 2026
Active · clear
Hudson P Davis INC DBA Davis Mechanical Systems
Vista, CA · CSLB #584824 · as of June 29, 2026
Active · clear
Steven B Davis
Truckee, CA · CSLB #790144 · as of June 29, 2026
Active · clear
Day & Night Heating And Air Conditioning
Palm Desert, CA · CSLB #966977 · as of June 29, 2026
Active · clear
Day & Night Heating-n-cooling
Fresno, CA · CSLB #1101099 · as of June 29, 2026
Active · clear
Day & Night Plumbing Of Mission Hills INC
Canyon Country, CA · CSLB #870301 · as of June 29, 2026
Active · clear
Day To Day Heating And Cooling
San Diego, CA · CSLB #1082620 · as of June 29, 2026
Active · clear
D B E Mechanical INC
Elk Grove, CA · CSLB #1118040 · as of June 29, 2026
Active · clear
D B H V A C & Appliance Repairs INC
Mission Hills, CA · CSLB #1026894 · as of June 29, 2026
Active · clear
D B Mechanical
Riverside, CA · CSLB #868162 · as of June 29, 2026
Active · clear
D C A C Air Conditioning
San Diego, CA · CSLB #1014884 · as of June 29, 2026
Active · clear
Dcac Mechanical INC
La Puente, CA · CSLB #1115613 · as of June 29, 2026
Active · clear
D C Heating & Air
Topock, CA · CSLB #729341 · as of June 29, 2026
Active · clear
D C Heating And Air Conditioning
San Jose, CA · CSLB #599106 · as of June 29, 2026
Active · clear
D C Heating & Cooling
Fresno, CA · CSLB #986868 · as of June 29, 2026
Active · clear
D C Mechanical
Cutten, CA · CSLB #1009467 · as of June 29, 2026
Active · clear
D C Mechanical
Fountain Valley, CA · CSLB #850497 · as of June 29, 2026
Active · clear
DC Mechanical LLC
Modesto, CA · CSLB #1113800 · as of June 29, 2026
Active · clear
D C'S Heating & Air Conditioning
Laguna Hills, CA · CSLB #751391 · as of June 29, 2026
Active · clear
D & D HVAC INC
Fontana, CA · CSLB #1117423 · as of June 29, 2026
Active · clear
D&D HVAC Solutions
Arleta, CA · CSLB #1137371 · as of June 29, 2026
Active · clear
D & D Refrigeration INC
Long Beach, CA · CSLB #455063 · as of June 29, 2026
Active · clear
De Air Company INC
Oroville, CA · CSLB #478347 · as of June 29, 2026
Active · clear
Deal Heating And Air INC
Rescue, CA · CSLB #796396 · as of June 29, 2026
Active · clear
Deal Mechanical INC
West Sacramento, CA · CSLB #445102 · as of June 29, 2026
Active · clear
Dean's Mechanical
Sacramento, CA · CSLB #667990 · as of June 29, 2026
Active · clear
Dean's Plumbing & Heating INC
Bishop, CA · CSLB #798921 · as of June 29, 2026
Active · clear
Derrick L Deatherage
Oroville, CA · CSLB #869588 · as of June 29, 2026
Active · clear
Decarli Mechanical
Citrus Heights, CA · CSLB #1134082 · as of June 29, 2026
Active · clear
Decesaris Mechanical Services
Martinez, CA · CSLB #1150292 · as of June 29, 2026
Active · clear
Deco Air Conditioning And Heating
Riverside, CA · CSLB #978410 · as of June 29, 2026
Active · clear
Dedicated Heating & Air
Cypress, CA · CSLB #1124721 · as of June 29, 2026
Active · clear
Deep Water Plumbing & Heat & Air
Anaheim, CA · CSLB #974510 · as of June 29, 2026
Active · clear
Deganair
El Cajon, CA · CSLB #962181 · as of June 29, 2026
Active · clear
Degree Cooling And Heating INC
La Crescenta, CA · CSLB #1143112 · as of June 29, 2026
Active · clear
Degree Heating And Air
Ramona, CA · CSLB #1124157 · as of June 29, 2026
Active · clear
Degree H V A C INC
San Carlos, CA · CSLB #886908 · as of June 29, 2026
Active · clear
Deh Mechanical Company INC
Palm Desert, CA · CSLB #752819 · as of June 29, 2026
Active · clear
De HVAC INC
San Jose, CA · CSLB #1153927 · as of June 29, 2026
Active · clear
Dei Monti INC
Pittsburg, CA · CSLB #747609 · as of June 29, 2026
Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of June 29, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.