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

The California Contractors State License Board (CSLB) lists 8,930 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 July 3, 2026.

Showing 7,201–7,260 of 8,930 contractors

Service Side LLC
Orlando, CA · CSLB #1132263 · as of July 3, 2026
Active · clear
Service Solutions
Fullerton, CA · CSLB #793095 · as of July 3, 2026
Active · clear
Service-temp Heating & Air Conditioning
Modesto, CA · CSLB #1118013 · as of July 3, 2026
Active · clear
Service Titan Ac & Heating INC
Glendale, CA · CSLB #1088062 · as of July 3, 2026
Active · clear
Service Unlimited INC
San Carlos, CA · CSLB #456636 · as of July 3, 2026
Active · clear
Service Wizards
Diamond Bar, CA · CSLB #797071 · as of July 3, 2026
Active · clear
Servicexcel Heating And Air Conditioning
San Ramon, CA · CSLB #1123970 · as of July 3, 2026
Active · clear
Servistar Plumbing And HVAC
Sherman Oaks, CA · CSLB #885156 · as of July 3, 2026
Active · clear
Servlegacy Cooling And Heating
Riverside, CA · CSLB #1139007 · as of July 3, 2026
Active · clear
Servtec Air Conditioning INC
Santa Fe Springs, CA · CSLB #847503 · as of July 3, 2026
Active · clear
S & E Services
Yorba Linda, CA · CSLB #659265 · as of July 3, 2026
Active · clear
Sespe Air Systems
Oxnard, CA · CSLB #1156297 · as of July 3, 2026
Active · clear
Set Point A / C & Heating
Winnetka, CA · CSLB #947474 · as of July 3, 2026
Active · clear
Set Point Heating And Air Conditioning
Newhall, CA · CSLB #512856 · as of July 3, 2026
Active · clear
Setpoint Refrigeration
Cottonwood, CA · CSLB #1090887 · as of July 3, 2026
Active · clear
Sevan Air Systems
Glendale, CA · CSLB #1086285 · as of July 3, 2026
Active · clear
Seven Air Heating And Cooling INC
Auberry, CA · CSLB #1033908 · as of July 3, 2026
Active · clear
Seven Mechanical
Banning, CA · CSLB #1052519 · as of July 3, 2026
Active · clear
Severson Heating & Air INC
Lathrop, CA · CSLB #1150194 · as of July 3, 2026
Active · clear
Severson Heating & Cooling
Sonoma, CA · CSLB #508393 · as of July 3, 2026
Active · clear
Sexton Heating & Air INC
Brentwood, CA · CSLB #742699 · as of July 3, 2026
Active · clear
SG Alfa Mechanical
Sherman Oaks, CA · CSLB #1155129 · as of July 3, 2026
Active · clear
S H A/c
Redondo Beach, CA · CSLB #767415 · as of July 3, 2026
Active · clear
Narbe Shahmoradian
Granada Hills, CA · CSLB #1085674 · as of July 3, 2026
Active · clear
Shalom Heating & Air
Buena Park, CA · CSLB #967182 · as of July 3, 2026
Active · clear
Sharkaire
Dublin, CA · CSLB #1122281 · as of July 3, 2026
Active · clear
Shark HVAC INC
Anaheim, CA · CSLB #1150679 · as of July 3, 2026
Active · clear
Sharony HVAC Services LLC
Huntington Beach, CA · CSLB #1092895 · as of July 3, 2026
Active · clear
Shasta Heating & Air Conditioning CO
Whittier, CA · CSLB #918551 · as of July 3, 2026
Active · clear
Shasta Heating & Air Conditioning INC
Redding, CA · CSLB #1096792 · as of July 3, 2026
Active · clear
Shasta HVAC Specialists INC
Redding, CA · CSLB #1068174 · as of July 3, 2026
Active · clear
Danny L Shaw Heating & Air Conditioning
Ceres, CA · CSLB #444522 · as of July 3, 2026
Active · clear
Shawn Lambert HVAC
Huntington Beach, CA · CSLB #1006434 · as of July 3, 2026
Active · clear
Sheek Ac/heating
Sacramento, CA · CSLB #799585 · as of July 3, 2026
Active · clear
Sheet Metal Construction
Elk Grove, CA · CSLB #1005179 · as of July 3, 2026
Active · clear
Sheflo Plumbing CO
Agoura Hills, CA · CSLB #91479 · as of July 3, 2026
Active · clear
Sheldon Mechanical Corporation
Santa Clarita, CA · CSLB #463722 · as of July 3, 2026
Active · clear
Sheldon's Heating & Air INC
Riverside, CA · CSLB #987412 · as of July 3, 2026
Active · clear
Sheltons Unlimited Mechanical Services INC
North Highlands, CA · CSLB #850223 · as of July 3, 2026
Active · clear
Lujian Shen
Chino, CA · CSLB #1030135 · as of July 3, 2026
Active · clear
Shenouda Henes
Rancho Cucamonga, CA · CSLB #1156738 · as of July 3, 2026
Active · clear
Shepherd Services
Arnold, CA · CSLB #1130430 · as of July 3, 2026
Active · clear
Shepherd Services INC
Santa Rosa, CA · CSLB #749066 · as of July 3, 2026
Active · clear
Sherlock Plumbing Heating And Cooling
Alpine, CA · CSLB #1116833 · as of July 3, 2026
Active · clear
Sherman Heating And Air Conditioning
Long Beach, CA · CSLB #1090133 · as of July 3, 2026
Active · clear
Sherman's Plumbing Heating & Air Conditioning
San Bernardino, CA · CSLB #312683 · as of July 3, 2026
Active · clear
Shideler Plumbing
Oceanside, CA · CSLB #1003737 · as of July 3, 2026
Active · clear
Sergey Konstantinovich Shin
Santa Clarita, CA · CSLB #1105475 · as of July 3, 2026
Active · clear
Shipman Mechanical Heating And Air
Mckinney, CA · CSLB #1157432 · as of July 3, 2026
Active · clear
Shoemaker Heating And Air Conditioning
Oxnard, CA · CSLB #1068921 · as of July 3, 2026
Active · clear
S H Plumbing Heating & Air Conditioning
Monrovia, CA · CSLB #707018 · as of July 3, 2026
Active · clear
L R Shrum Heating And A / C INC
El Cajon, CA · CSLB #856297 · as of July 3, 2026
Active · clear
Shuntavious Heating & Ac Corp
Sacramento, CA · CSLB #1088758 · as of July 3, 2026
Active · clear
Si Air Conditioning INC
Arcadia, CA · CSLB #1084204 · as of July 3, 2026
Active · clear
Siberian Side INC
San Diego, CA · CSLB #1147592 · as of July 3, 2026
Active · clear
Side Show Air Conditioning
Chula Vista, CA · CSLB #1129468 · as of July 3, 2026
Active · clear
Sids Air Conditioning Heating And Refrigeration INC
Los Angeles, CA · CSLB #717456 · as of July 3, 2026
Active · clear
Sierra Aire
Rancho Cordova, CA · CSLB #978394 · as of July 3, 2026
Active · clear
Sierra Great Basin LLC
Reno, CA · CSLB #1129263 · as of July 3, 2026
Active · clear
Jet Duane Trusler DBA Sierra Mechanical
Rancho Cordova, CA · CSLB #614027 · as of July 3, 2026
Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of July 3, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.