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Plumbing in San Diego County, California

Browse 1,212 verified plumbing registered across San Diego County, California (including San Diego, Chula Vista, Oceanside, Escondido, Carlsbad, El Cajon). 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 Diego

Municipalities in San Diego County (21)

Select a city or town in San Diego County to view local permit guidance and registered plumbing records:

San Diego 386El Cajon 109Escondido 101Chula Vista 100Oceanside 86Vista 68Santee 45Spring Valley 41Poway 36Carlsbad 35San Marcos 34La Mesa 31Ramona 29National City 26Fallbrook 25Encinitas 19Lemon Grove 17La Jolla 8Coronado 7Imperial Beach 6Del Mar 3

1212 plumbing records · San Diego County, CA

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

Plumbing directory — San Diego County

1212 matching records across 21 open municipalities · 25 on this page · Contactable records first, then alphabetical.

All Pro Plumbing, Heating, Air Conditioning Electrical And Backfl

Official license file Contactable Electrical · Contractors State License Board · Specialty scope: Plumbing & Heating · Additional recorded trades: Plumbing, Heating & cooling

Registered address: 4072 JOHNSON DR, Oceanside, CA 92056

961770 · Source dated 2026-10-18 · Service area not confirmed. · Verify on California portal →

+1 more registration for this business
  • 961770 · 4072 JOHNSON DR, Oceanside, CA 92056
Call (760) 681-0313
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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.