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San Juan County, Washington

Licensed Trade Records in San Juan County, Washington

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Browse 270 verified licensed trade contractors registered across San Juan County, Washington (including Friday Harbor, Eastsound, Lopez Island, Orcas, Olga, Shaw Island). Every record is compiled from Washington State Department of Labor & Industries (WA L&I) public credential files under Revised Code of Washington RCW 18.27 (Contractor Registration), RCW 19.28 (Electrical EL01–EL06), and RCW 18.106 (Plumbing PL01/PL02).

Official State Authority: Washington State Department of Labor & Industries (WA L&I) Official Registry · County Seat: Friday Harbor

Municipalities in San Juan County (4)

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

Friday Harbor 137Eastsound 73Lopez Island 51Olga 9

270 all trades records · San Juan County, WA

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Public Directory Quality: Official WA L&I license records across San Juan County · Zero sponsored order · Never sold as a lead · How our data works →

All trades directory — San Juan County

270 matching records across 4 open municipalities · 25 on this page · Contactable records first, then alphabetical.

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Show registered-address map (14 records on this page)4 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.

7ZIP 982504ZIP 982612ZIP 982791ZIP 98245Approximate postal/city centroid schematic (4 areas)

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A & A Well Drilling Inc

Official license file Contactable Plumbing · Washington State Department of Labor & Industries · Specialty scope: Well & Pump Systems

Registered address: 421 LOPEZ HILL ROAD, Lopez Island, WA 98261

WELLD*W772BT · Source dated 2026-10-30 · Service area not confirmed. · Verify on Washington portal →

+2 more registrations for this business
Call (360) 468-2587
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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.