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Humboldt County, California

Licensed Trade Records in Humboldt County, California

Illustration for home services in Humboldt County
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Browse 707 verified licensed trade contractors registered across Humboldt County, California (including Eureka, Arcata, Fortuna, Mckinleyville, Mc Kinleyville, Ferndale). 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: Eureka

Municipalities in Humboldt County (17)

Select a city or town in Humboldt County to view local permit guidance and registered all trades records:

Eureka 245Mc Kinleyville 122Arcata 103Crescent City 83Fortuna 56Rio Dell 11Kneeland 10Whitethorn 9Bayside 8Carlotta 8Trinidad 8Ferndale 7Garberville 7Blue Lake 5Smith River 5Hydesville 4Mad River 3

707 all trades records · Humboldt County, CA

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

All trades directory — Humboldt County

707 matching records across 17 open municipalities · 25 on this page · Contactable records first, then alphabetical.

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Show registered-address map (25 records on this page)9 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.

5ZIP 955034ZIP 955194ZIP 955214ZIP 955313ZIP 955012ZIP 955491ZIP 955471ZIP 955891ZIP 95540Approximate postal/city centroid schematic (9 areas)

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Other Counties in California

Los Angeles CountySan 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 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.