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

The California Contractors State License Board (CSLB) lists 8,995 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 2, 2026.

Showing 5,341–5,400 of 8,995 contractors

Mancuso Air Services
Stockton, CA · CSLB #985335 · as of July 2, 2026
Active · clear
Charlie Mandujano Flores
Huntington Beach, CA · CSLB #1083592 · as of July 2, 2026
Active · clear
Mannino Heating & Cooling
Oceanside, CA · CSLB #849183 · as of July 2, 2026
Active · clear
Mann's Heating And Air Con
Plymouth, CA · CSLB #885785 · as of July 2, 2026
Active · clear
Manny's Heating & Air Conditioning
Huntington Park, CA · CSLB #1003916 · as of July 2, 2026
Active · clear
Manny's Heating And Air INC
Tracy, CA · CSLB #968946 · as of July 2, 2026
Active · clear
Manny Vargas Air Conditioning & Heating INC
Indio, CA · CSLB #859195 · as of July 2, 2026
Active · clear
Man's Air Conditioning & Heating
Anaheim, CA · CSLB #695937 · as of July 2, 2026
Active · clear
Mansheim H V A C
San Diego, CA · CSLB #1051053 · as of July 2, 2026
Active · clear
Manzo Heating And Air
Fontana, CA · CSLB #859825 · as of July 2, 2026
Active · clear
Faisal Manzoor
Moreno Valley, CA · CSLB #948477 · as of July 2, 2026
Active · clear
Michael Ross Mapes
Lakewood, CA · CSLB #1000142 · as of July 2, 2026
Active · clear
Marasigan Heating And Air
Fairfield, CA · CSLB #1074318 · as of July 2, 2026
Active · clear
Marat Gareev
Gilroy, CA · CSLB #1141223 · as of July 2, 2026
Active · clear
Marathon Mechanical INC
La Verne, CA · CSLB #1000799 · as of July 2, 2026
Active · clear
M A R C 2 HVAC
El Cajon, CA · CSLB #1013893 · as of July 2, 2026
Active · clear
Marc Ac Specialized Corp
Thermal, CA · CSLB #1137212 · as of July 2, 2026
Active · clear
Marcos Air Conditioning
Ontario, CA · CSLB #950285 · as of July 2, 2026
Active · clear
Marco's Heating And Air
Duarte, CA · CSLB #727611 · as of July 2, 2026
Active · clear
Marcucci Heating And Air Conditioning INC
Redwood City, CA · CSLB #856600 · as of July 2, 2026
Active · clear
Marcus Air Conditioning
Plumas Lake, CA · CSLB #1130983 · as of July 2, 2026
Active · clear
Marc Wilmers Heating & Air Conditioning
Valencia, CA · CSLB #703861 · as of July 2, 2026
Active · clear
Marina Heating Ventilation Air Conditioning
Irvine, CA · CSLB #943386 · as of July 2, 2026
Active · clear
Marin Air LLC
Riverside, CA · CSLB #1143178 · as of July 2, 2026
Active · clear
Mariner Cooler Center INC
Fresno, CA · CSLB #832923 · as of July 2, 2026
Active · clear
Marin Heating And Air
Fairfax, CA · CSLB #1074408 · as of July 2, 2026
Active · clear
Marin Sheet Metal
Novato, CA · CSLB #472792 · as of July 2, 2026
Active · clear
Mariohvac LLC
Fontana, CA · CSLB #1118363 · as of July 2, 2026
Active · clear
Marion Heating & Air Conditioning INC
Woodland Hills, CA · CSLB #775254 · as of July 2, 2026
Active · clear
Mario's Air Conditioning
Los Angeles, CA · CSLB #919126 · as of July 2, 2026
Active · clear
Mario's Air Conditioning INC
La Quinta, CA · CSLB #881884 · as of July 2, 2026
Active · clear
Mario's Comfort Heating & Cooling INC
Fresno, CA · CSLB #1105761 · as of July 2, 2026
Active · clear
Mariposa Mechanical Service
Mariposa, CA · CSLB #842033 · as of July 2, 2026
Active · clear
Markair HVAC
Chino, CA · CSLB #1119129 · as of July 2, 2026
Active · clear
Market Mechanical Hvacr
Burlingame, CA · CSLB #1059312 · as of July 2, 2026
Active · clear
Markos Heating And Air Conditioning
Lancaster, CA · CSLB #1141802 · as of July 2, 2026
Active · clear
Mark's A / C Services
Alta Loma, CA · CSLB #828077 · as of July 2, 2026
Active · clear
Mark's Air Conditioning
Riverside, CA · CSLB #507338 · as of July 2, 2026
Active · clear
Mark's Air Conditioning And Heating
Mission Hills, CA · CSLB #949932 · as of July 2, 2026
Active · clear
Marks Heating & Air INC
El Cajon, CA · CSLB #995729 · as of July 2, 2026
Active · clear
Mark's Heating & Cooling
Simi Valley, CA · CSLB #748445 · as of July 2, 2026
Active · clear
Marlett Mechanical & Supplies
San Diego, CA · CSLB #865626 · as of July 2, 2026
Active · clear
Marlin Heating And Air LLC
Orange, CA · CSLB #1094884 · as of July 2, 2026
Active · clear
Marquez Heating & Cooling
Porterville, CA · CSLB #978968 · as of July 2, 2026
Active · clear
Roberto Marquez
Yucaipa, CA · CSLB #1142952 · as of July 2, 2026
Active · clear
Marraccini Plumbing Heating Cooling & Controls INC
Yerington, CA · CSLB #1120201 · as of July 2, 2026
Active · clear
Martcor Heating & Air INC
San Jose, CA · CSLB #1152630 · as of July 2, 2026
Active · clear
Michael Martel
La Verne, CA · CSLB #917443 · as of July 2, 2026
Active · clear
Mar - Temp
Temecula, CA · CSLB #912383 · as of July 2, 2026
Active · clear
Martin A / C
Woodland Hills, CA · CSLB #829450 · as of July 2, 2026
Active · clear
The K Company Incorporated DBA The C J Martin HVAC Company
Akron, CA · CSLB #989846 · as of July 2, 2026
Active · clear
Martinell's Heating & Air Conditioning
San Bernardino, CA · CSLB #863144 · as of July 2, 2026
Active · clear
Martinez Climate Control
San Dimas, CA · CSLB #922415 · as of July 2, 2026
Active · clear
Martinez Heating & Air Conditioning INC
Merced, CA · CSLB #803946 · as of July 2, 2026
Active · clear
Martinez Heating And Air
Escondido, CA · CSLB #1106400 · as of July 2, 2026
Active · clear
Juan Eloy Martinez
Shafter, CA · CSLB #1084998 · as of July 2, 2026
Active · clear
Pablo Martinez
Tracy, CA · CSLB #981460 · as of July 2, 2026
Active · clear
Ricardo Martinez Heating And Air
Reseda, CA · CSLB #1072065 · as of July 2, 2026
Active · clear
Rolando Oriel Martinez
Chico, CA · CSLB #1026086 · as of July 2, 2026
Active · clear
Santiago Alexander Martinez
North Hills, CA · CSLB #1118300 · as of July 2, 2026
Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of July 2, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.