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C20

HVAC Contractor Verification - Page 39

12,505 hvac contractors checked against 6 data sources (Page 39 of 251)

About C20 License

Heating, ventilation, and air conditioning contractors.

12,505

Total Contractors

11,699

Active Licenses

395

Federal Records

Verify a HVAC Contractor

HVAC Contractors

Showing contractors 1901-1950 of 12,505

ALPHA ENVIRO TECH INC

Clear

License #1026062 · ANAHEIM

Active

ALPHA HEATING & AIR CONDITIONING INC

Clear

License #711227 · PLAYA VISTA

Active

ALPHA HEATING & COOLING INC

Clear

License #1130148 · MADERA

Active

ALPHA HVAC & ELECTRICAL

Clear

License #1060833 · SAN JOSE

Active

ALPHA HVAC REPAIR AND INSTALLATION

Clear

License #1106714 · MISSION VIEJO

Active

ALPHA MECHANICAL

Clear

License #967727 · FAIR OAKS

Active

ALPHA MECHANICAL HEATING AND AIR

Clear

License #1062439 · SYLMAR

Work Comp Susp

ALPHA MECHANICAL HVAC

Clear

License #914944 · SAN JOSE

Active

ALPHA MECHANICAL INC

Clear

License #1107524 · EL CAJON

Active

ALPHA MECHANICAL LLC

Clear

License #847444 · EL CAJON

Active

ALPHA PLUS APPLIANCES HEATING & AIR CONDITIONING SERVICES

Clear

License #998479 · SOUTH SAN FRANCISCO

Active

ALPHA REFRIGERATION & A/C CO

Clear

License #524342 · CYPRESS

Active

ALPHA REFRIGERATION & AIR CONDITIONING INC

Clear

License #987446 · CANYON COUNTRY

Active

ALPHABRAVO CONTRACTING LLC

Clear

License #1114944 · ALHAMBRA

Active

ALPINE AIR CO

Clear

License #778471 · GRANITE BAY

Active

ALPINE AIR CONDITIONING & HEATING

Clear

License #521324 · MORENO VALLEY

Active

ALPINE AIR CONDITIONING AND HEATING

Clear

License #714582 · PIONEER

Active

ALPINE CONSTRUCTION COMPANY

Clear

License #632929 · ALPINE

Active

ALPINE HEATING & AIR CONDITIONING

Clear

License #719734 · SEAL BEACH

Active

ALPINE HEATING & AIR CONDITIONING

Clear

License #664609 · PLUMAS LAKE

Active

ALPINE HEATING AND AIR CONDITIONING INC

Clear

License #851552 · SHINGLE SPRINGS

Active

ALPINE HEATING AND COOLING INC

Clear

License #1129457 · IRVINE

Active

ALPINE HVAC INC

Clear

License #1087954 · TUJUNGA

Work Comp Susp

ALPINE MECHANICAL SERVICE COMPANY INC

Clear

License #553780 · LIVERMORE

Active

ALPINE MFG GROUP INCORPORATED

Clear

License #1008567 · MONTEBELLO

Active

ALPINE PLUMBING AND ROOTER INC

Clear

License #1041244 · LA VERNE

Active

ALPINE REF INC

Clear

License #1077305 · CYPRESS

Active

ALPINE REFRIGERATION

Clear

License #470041 · SIMI VALLEY

Active

ALPINE REFRIGERATION HEATING & COOLING

Clear

License #860043 · NIPOMO

Active

ALPS AIR CONDITIONING & HEATING INC

Clear

License #667953 · ANAHEIM

Active

ALT AC

Clear

License #1117946 · SACRAMENTO

Active

ALTA

Clear

License #640580 · NEWCASTLE

Contr Bond Susp

ALTA CALIFORNIA H V A C

Clear

License #1023855 · PATTERSON

Work Comp Susp

ALTA RANCHO AIR - CONDITIONING & HEATING CO

Clear

License #842084 · RANCHO CUCAMONGA

Active

ALTAMIRANO CONSTRUCTION INC

Clear

License #876292 · GRAND TERRACE

Active

ALTERED AIR

Clear

License #531080 · SAN MARCOS

Active

ALTERED AIR INC

Clear

License #1017263 · BUCKEYE

Active

ALTERNATIVE HEATING & AIR

Clear

License #947007 · CHICO

Active

ALTERNATIVE HEATING AND AIR CONDITIONING SOLUTIONS INC

Clear

License #967878 · SAN CARLOS

Active

ALTITUDE 108 CONSTRUCTION INC

Clear

License #1075651 · SOULSBYVILLE

Active

ALTON AIR CONDITIONING

Clear

License #825144 · DANA POINT

Active

ALTON AIR CONDITIONING & HEATING INC

Clear

License #511296 · FREMONT

Active

ALTURAS HEATING VENTILATION & AIR CONDITIONING

Clear

License #1022352 · MONTEBELLO

Active

ALVAKUN APPLIANCES

Clear

License #898108 · NORTH HILLS

Active

ALVARADO A/C

Clear

License #775534 · VAN NUYS

Active

ALVARADO HEATING AND AIR CONDITIONING

Clear

License #972946 · PORTERVILLE

Active

ALVAREZ ABRAHAM K

Clear

License #1116811 · DANVILLE

Active

ALVAREZ AIR CONDITIONING & HEATING

Clear

License #614901 · FARMERSVILLE

Active

ALVAREZ PEDRO MEJIA

Clear

License #715544 · MORENO VALLEY

Active

ALVE MECHANICAL

Clear

License #935043 · SAN MARCOS

Active

How to Verify a HVAC Contractor (C20) in California

California requires all contractors performing hvac work valued at $500+ to hold a valid CSLB C20 license. Of the 12,505 licensed hvac contractors in the state, 94% currently hold active licenses and 3.2% have at least one federal compliance record.

Manual vetting takes 45+ minutes per contractor and routinely misses violations in databases most people don't know to check. SiteVetter runs CSLB status, SAM.gov debarment, DOL wage violations, OSHA safety citations, and EPA environmental records in seconds—creating a timestamped compliance artifact.

Verification Checklist for HVAC Contractors

  • Verify NATE certification for technicians working on your system
  • Ask about experience with your specific HVAC brand or system type
  • Confirm they can provide energy efficiency calculations for new installations
  • Check federal databases: SAM.gov, OSHA, DOL, and EPA records
  • Confirm bond: California requires $25,000+ contractor bond (SB 607)

Why Verification Matters for HVAC Work

Under California's "Controlling Employer" doctrine, general contractors face liability for subcontractor safety violations. For hvac work specifically, 3.2% of licensed contractors have federal records that a standard CSLB license check wouldn't reveal. SiteVetter's 5-database check catches what a single-source verification misses.

Data sourced from California Contractors State License Board and federal databases. Updated weekly. For official verification, check directly with CSLB.