C20

HVAC Contractor Verification - Page 161

12,316 hvac contractors checked against 6 data sources (Page 161 of 247)

About C20 License

Heating, ventilation, and air conditioning contractors.

12,316

Total Contractors

11,645

Active Licenses

394

Federal Records

Verify a HVAC Contractor

HVAC Contractors

Showing contractors 8001-8050 of 12,316

MC HALE'S HEATING AND AIR CONDITIONING INC

Clear

License #765419 · ANDERSON

Active

MC HEATING & AIR CONDITIONING INC

Clear

License #1140257 · CERES

Active

MC KENNEY'S AIR CONDITIONING INC

Clear

License #447218 · BAKERSFIELD

Active

MC LAUGHLIN AIR CONDITIONING CO

Clear

License #752342 · STOCKTON

Active

MC LEOD'S AIR CONDITIONING & HEATING

Clear

License #656811 · INDIO

Active

MC MECHANICALS

Clear

License #929991 · DALY CITY

Active

MC NALLY MARK HEATING AND AIR

Clear

License #898428 · TORRANCE

Active

MCCLOSKEY MECHANICAL CONTRACTORS INC

Clear

License #1053014 · BLACKWOOD

Susp - No Qualifier

MCCLURE MECHANICAL SYSTEMS INC

Clear

License #995204 · EL CAJON

Active

MCCOURT & SONS INC

Clear

License #1054861 · TEMECULA

Active

MCCUE MECHANICAL

Clear

License #1062793 · MORONGO VALLEY

Active

MCGEE REFRIGERATION INC

Clear

License #613002 · VISALIA

Active

MCGRADY & SONS HEATING AND COOLING INC

Clear

License #1079657 · MARIPOSA

Active

MCISAAC HEATING

Clear

License #1071345 · PETALUMA

Active

MCKAY AIR

Clear

License #796840 · WINNETKA

Active

MCLAY SERVICES INC

Clear

License #751629 · LA VERNE

Active

MCMASTER HEATING & AIR CONDITIONING INC

Clear

License #726607 · IRVINE

Active

MCMASTER MECHANICAL

Clear

License #879152 · DIAMOND BAR

Active

MCMILLAN WATER TREATMENT INC

Clear

License #844792 · FONTANA

Active

MCRAE HEATING & AIR

Clear

License #1108858 · TEMECULA

Work Comp Susp

MCTATE CONSTRUCTION

Clear

License #945966 · SAN DIEGO

Active

MD AIR HVAC SERVICES INC

Clear

License #1139087 · SANTA CLARITA

JDG Entity Susp

MD HEATING & COOLING INC

Clear

License #1077650 · LA MIRADA

Active

MDB SAME DAY HVAC INC

Clear

License #1057681 · ANTIOCH

Active

MDP HEATING & COOLING INC

Clear

License #1103720 · SAN JOSE

Active

MEADOWS MECHANICAL

Clear

License #383620 · GARDENA

Active

MEARS HEATING AND AIR

Clear

License #1089672 · LODI

Active

MECH 23 INC

Clear

License #1054859 · SAN FRANCISCO

Active

MECH ONE INC

Clear

License #934023 · ESCONDIDO

Active

MECHANICAL AIR CLIMATE CONTROL INC

Clear

License #1054287 · HESPERIA

Active

MECHANICAL AIR CONDITIONING SERVICES

Clear

License #1123072 · RIALTO

Active

MECHANICAL AIR LLC

Clear

License #969564 · FRESNO

Active

MECHANICAL ALLIANCE INC

Clear

License #884370 · WHITTIER

Active

MECHANICAL CONTROL

Clear

License #1019123 · ONTARIO

Active

MECHANICAL COOLING SOLUTIONS LLC

Clear

License #1097971 · CHULA VISTA

Active

MECHANICAL H V A C SOLUTIONS

Clear

License #1034572 · OCEANSIDE

Active

MECHANICAL INNOVATIONS INC

Clear

License #984952 · CERRITOS

Active

MECHANICAL INNOVATIVE TECHNOLOGIES INC

Clear

License #1136916 · CORONA

Active

MECHANICAL MCIVER

Clear

License #1143965 · RIVERSIDE

Active

MECHANICAL PROS HEATING AND AIR CONDITIONING INC

Clear

License #812400 · TEMECULA

Active

MECHANICAL SERVICES LLC

Clear

License #1007708 · LIVERMORE

Active

MECHANICAL SOLUTIONS COMPANY INC

Clear

License #1124778 · STOCKTON

Active

MECHANICAL SPECIALTIES SOLUTIONS LLC

Clear

License #1068795 · PARAMOUNT

Active

MECHANICAL SYSTEM CONTRACTORS INC

Clear

License #878844 · SAN DIEGO

Active

MECHANICAL TECHNOLOGIES INC

Clear

License #852317 · LA HABRA

Active

MECHANICAL TECHNOLOGY SYSTEMS INC

Clear

License #828672 · ORANGE

Active

MECHANICAL VENTILATION SYSTEMS

Clear

License #578852 · BANNING

Active

MECHMASTER HVAC

Clear

License #1111253 · GLENDALE

Active

MECHPROS HEATING AND AIR CONDITIONING

Clear

License #996940 · CONCORD

Active

MECTEC INC

Clear

License #839519 · LOS ANGELES

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 12,316 licensed hvac contractors in the state, 95% 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.