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San Bernardino County, California

Heating & cooling in San Bernardino County, California

Illustration for Heating & cooling
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Browse 541 verified heating & cooling registered across San Bernardino County, California (including San Bernardino, Fontana, Rancho Cucamonga, Ontario, Victorville, Rialto). 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: San Bernardino

Municipalities in San Bernardino County (24)

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

Rancho Cucamonga 60San Bernardino 48Chino 44Ontario 44Chino Hills 40Fontana 40Upland 40Apple Valley 25Hesperia 25Redlands 25Victorville 22Yucaipa 21Highland 15Oak Hills 14Rialto 14Montclair 12Calimesa 8Bloomington 7Grand Terrace 7Barstow 6Loma Linda 6Colton 5Adelanto 3Phelan 3

541 heating & cooling records · San Bernardino County, CA

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

Heating & cooling directory — San Bernardino County

541 matching records across 24 open municipalities · 25 on this page · Contactable records first, then alphabetical.

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Show registered-address map (25 records on this page)20 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.

3ZIP 917622ZIP 923362ZIP 923452ZIP 923761ZIP 923991ZIP 917091ZIP 923081ZIP 917841ZIP 923071ZIP 923461ZIP 923351ZIP 917391ZIP 917011ZIP 917101ZIP 923371ZIP 917301ZIP 917611ZIP 92320Approximate postal/city centroid schematic (20 areas)

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Other Counties in California

Los Angeles CountySan Diego CountyOrange CountySanta Clara CountySan Francisco CountySacramento CountyAlameda CountyRiverside 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.
Prepare a project brief

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.