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Los Angeles County, California

Heating & cooling in Los Angeles County, California

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Browse 2,576 verified HVAC contractors registered across Los Angeles County, California (including Los Angeles, Long Beach, Santa Clarita, Glendale). Every record is compiled from California Contractors State License Board (CA CSLB) public credential files under California Business and Professions Code Division 3, Chapter 9 (Contractors License Law: Class A, Class B General Building, and Class C Specialty Classifications with $25,000 Bond Requirement).

Official State Authority: California Contractors State License Board (CA CSLB) Official Registry · County Seat: Los Angeles

Municipalities in Los Angeles County (121)

Select a city or town in Los Angeles County to view local permit guidance and registered heating & cooling records:

Los Angeles 243Glendale 98Van Nuys 67Lancaster 64Woodland Hills 62Burbank 61Long Beach 60Whittier 53Northridge 52North Hollywood 48Pasadena 46Santa Clarita 46Sylmar 44Torrance 41West Covina 40Chatsworth 39Palmdale 39Canyon Country 38Glendora 36Tarzana 35Sun Valley 34Granada Hills 33Reseda 31Sherman Oaks 30West Hills 30Canoga Park 29La Puente 29Diamond Bar 27Downey 27Gardena 27Norwalk 26Bellflower 25La Verne 24North Hills 23Valencia 23Walnut 23Winnetka 23Lakewood 22Sunland 22Arcadia 21Encino 21Pomona 21El Monte 20Santa Fe Springs 20Cerritos 19La Mirada 19San Dimas 19Covina 18Newbury Park 18Alhambra 17Rosemead 17West Hollywood 17Inglewood 16Mission Hills 16South Gate 16Azusa 15La Crescenta 15Tujunga 15Panorama City 14South El Monte 14Temple City 14Valley Village 14Alta Loma 13Arleta 13Monterey Park 13Paramount 13Baldwin Park 12Carson 12Hacienda Heights 12Hawthorne 12Montebello 12San Gabriel 12Altadena 11Lynwood 11Pico Rivera 11Santa Monica 11Castaic 10Compton 10Beverly Hills 9Monrovia 9Newhall 9Rowland Heights 9Agoura Hills 8City Of Industry 8Harbor City 8Lawndale 8Porter Ranch 8Signal Hill 8Stevenson Ranch 8Calabasas 7Commerce 7Duarte 7Pacoima 7San Pedro 7Westlake Village 7Redondo Beach 6Oak Park 5Saugus 5Shadow Hills 5Artesia 4Culver City 4Huntington Park 4La Canada 4La Palma 4Lomita 4Malibu 4Marina Del Rey 4Rancho Palos Verdes 4San Fernando 4San Marino 4Studio City 4Agua Dulce 3Claremont 3Lake Balboa 3Manhattan Beach 3Maywood 3Montrose 3South Pasadena 3Topanga 3Venice 3Wilmington 3

2576 heating & cooling records · Los Angeles County, CA

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Public Directory Quality: Official CA CSLB license records across Los Angeles County · Zero sponsored order · Never sold as a lead · How our data works →

Heating & cooling directory — Los Angeles County

2576 matching records across 121 open municipalities · 25 on this page · Contactable records first, then alphabetical.

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Show registered-address map (25 records on this page)23 approximate areas

Shaded areas mark approximate postal or city locations, not premises or service areas. Circle sizes are illustrative, not postal boundaries. Some records share the same area. Private addresses are excluded.

2ZIP 913522ZIP 912211ZIP 907551ZIP 917761ZIP 913501ZIP 913641ZIP 906401ZIP 913561ZIP 912141ZIP 900191ZIP 913401ZIP 900641ZIP 907121ZIP 917331ZIP 917911ZIP 902551ZIP 900461ZIP 91401Approximate postal/city centroid schematic (23 areas)

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Frequently Asked Questions — Los Angeles County, CA

How are heating & cooling credentials verified in Los Angeles County, California?

Records across Los Angeles County are sourced directly from the California Contractors State License Board (CA CSLB). California Business and Professions Code Division 3, Chapter 9 (Contractors License Law: Class A, Class B General Building, and Class C Specialty Classifications with $25,000 Bond Requirement)

Which municipalities are covered in the Los Angeles County directory?

Los Angeles County coverage includes Los Angeles, Long Beach, Santa Clarita, Glendale, Lancaster, Palmdale, Pomona, Torrance, Pasadena, El Monte, with County Seat in Los Angeles.

Are licensed contractors in Los Angeles County, CA required to carry insurance and surety bonds?

Yes. Under California licensing authority regulations, licensed heating & cooling contractors typically must maintain active Commercial General Liability insurance, appropriate surety bonds, and state Workers' Compensation coverage before pulling municipal permits.

Other Counties in California

San Diego CountyOrange CountySanta Clara CountySan Francisco CountySacramento CountyAlameda CountyRiverside CountySan Bernardino CountyContra Costa CountySan Mateo CountyVentura CountyFresno CountyKern CountySonoma CountyStanislaus CountyMonterey CountySanta Barbara CountyButte CountyShasta CountyHumboldt County

Before the first call

  • Describe the job and ask whether it is within their scope and service area.
  • Check the credential with its issuing authority and ask what applies where the work will happen.
  • Ask about insurance, availability, who will do the work, and a written scope.
  • Ask about callout fees, labor or fixed rates, materials, cancellation and any estimate charge.
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Verification Overview & Key Takeaways: How to Check Official Credentials

HomeCrafto displays source records with different scopes, including licenses, registrations, municipal permits and community records. A source entry is not proof of qualification for your job. Before signing a work order or paying a deposit, homeowners should confirm that the contractor’s credential number is active, verify that the license classification covers the specific trade scope required for the job, and request a current Certificate of Insurance (COI) directly from the issuing insurance carrier. Independent verification protects your property and ensures compliance with local building codes.

How do you verify a contractor license number and insurance on official portals (FAQ)?

You can verify active license standing and consumer protection rules directly through official government portals, including Washington L&I Contractor Verify, the California Contractors State License Board (CSLB), the Connecticut eLicense Portal, USA.gov State Consumer Protection Offices, and FTC Home Improvement Consumer Guidance. Always confirm municipal permit requirements with your local building department before work begins.