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Sonoma County, California

Licensed Trade Records in Sonoma County, California

Illustration for home services in Sonoma County
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Browse 6,582 verified licensed trade contractors registered across Sonoma County, California (including Santa Rosa, Petaluma, Rohnert Park, Windsor). 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: Santa Rosa

Municipalities in Sonoma County (56)

Select a city or town in Sonoma County to view local permit guidance and registered licensed trade records:

Santa Rosa 1420San Rafael 615Napa 588Petaluma 563Novato 557Sebastopol 309Rohnert Park 281Sonoma 230Windsor 207Mill Valley 162Ukiah 160Fort Bragg 119San Anselmo 107Healdsburg 86Fairfax 85American Canyon 81Willits 78Cotati 77Lakeport 68Cloverdale 66Kelseyville 61Penngrove 47Hidden Valley Lake 46Sausalito 43Redwood Valley 40Corte Madera 39Forestville 36Greenbrae 33Guerneville 32Tiburon 31Calistoga 30St Helena 27Clearlake 25Larkspur 21Middletown 17Lower Lake 15Occidental 15Glen Ellen 13Gualala 13Hopland 11Kentfield 11Upper Lake 10Geyserville 9Graton 9Fulton 8Mendocino 7Yountville 7Annapolis 6Cazadero 5Clearlake Oaks 5Kenwood 5Lucerne 5Potter Valley 5Covelo 4Belvedere Tiburon 3Monte Rio 3

6582 licensed trade records · Sonoma County, CA

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

All trades directory — Sonoma County

6582 matching records across 56 open municipalities · 25 on this page · Contactable records first, then alphabetical.

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Show registered-address map (25 records on this page)19 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.

4ZIP 949012ZIP 945582ZIP 954762ZIP 954821ZIP 949301ZIP 949281ZIP 954091ZIP 949491ZIP 945031ZIP 949471ZIP 949601ZIP 954031ZIP 949031ZIP 954721ZIP 949041ZIP 954011ZIP 949411ZIP 94945Approximate postal/city centroid schematic (19 areas)

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Rake Electric

Official license file Contactable Electrical · Contractors State License Board

Registered address: 1221 ANDERSON DRIVE SUITE J, San Rafael, CA 94901

835113 · Source dated 2026-10-18 · Service area not confirmed. · Verify on California portal →

+1 more registration for this business
  • 835113 · 1221 ANDERSON DRIVE SUITE J, San Rafael, CA 94901
Call (415) 459-8005
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Frequently Asked Questions — Sonoma County, CA

How are licensed trade credentials verified in Sonoma County, California?

Records across Sonoma 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 Sonoma County directory?

Sonoma County coverage includes Santa Rosa, Petaluma, Rohnert Park, Windsor, Healdsburg, Sonoma, Sebastopol, Cloverdale, Cotati, Occidental, with County Seat in Santa Rosa.

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

Yes. Under California licensing authority regulations, licensed trade 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

Los Angeles CountySan Diego CountyOrange CountySanta Clara CountySan Francisco CountySacramento CountyAlameda CountyRiverside CountySan Bernardino CountyContra Costa CountySan Mateo CountyVentura CountyFresno CountyKern 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.