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Plumbing in San Luis Obispo

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25 plumbing records · San Luis Obispo

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Public Directory Quality: Official state license records in San Luis Obispo · Zero sponsored order · Never sold as a lead · How our data works →

Plumbing directory

25 matching records · 25 on this page · Contactable records first, then alphabetical within groups. Coverage is the matched city/category scope.

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Hours, insurance, reviews and service coverage are not established by a license-file entry.

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Knecht's Plumbing & Heating Inc

Official license file Contactable Heating & cooling · Contractors State License Board · Specialty scope: Plumbing & Heating · Also licensed for: Plumbing

Registered address: 60 ZACA LANE, San Luis Obispo, CA 93401

373936 · Source dated 2026-10-18 · Service area not confirmed. · Verify on California portal →

+3 more registrations for this business
  • 373936 · 60 ZACA LANE, San Luis Obispo, CA 93401
  • 373936 · 60 ZACA LANE, San Luis Obispo, CA 93401
  • 373936 · 60 ZACA LANE, San Luis Obispo, CA 93401
Call (805) 544-5118

Nviro

Official license file Contactable Plumbing · Contractors State License Board

Registered address: 933 BUCKLEY ROAD, San Luis Obispo, CA 93401

1056567 · Source dated 2026-10-18 · Service area not confirmed. · Verify on California portal →

Call (888) 886-8476

Drain Doctors Plumbing

Official license file Contactable Plumbing · Contractors State License Board

Registered address: 205 SOUTH STREET, San Luis Obispo, CA 93401

1141421 · Source dated 2026-10-18 · Service area not confirmed. · Verify on California portal →

+1 more registration for this business
  • 639471 · 205 SOUTH STREET, San Luis Obispo, CA 93401
Call (805) 544-1214

Action Rooter

Official license file Contactable Plumbing · Contractors State License Board · Specialty scope: Septic, Sewer & Drain

Registered address: 3940 BROAD ST STE 7424, San Luis Obispo, CA 93401

557901 · Source dated 2026-10-18 · Service area not confirmed. · Verify on California portal →

Call (805) 541-1333

Leseman Plumbing

Official license file From the official license file Plumbing · Contractors State License Board

Registered address: 967 LOBELIA LANE, San Luis Obispo, CA 93401

994808 · Source dated 2026-10-18 · Service area not confirmed. · Verify on California portal →

No public phone or website on record.

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

Every listing on HomeCrafto is compiled directly from official state and municipal licensing rosters rather than paid lead-generation feeds. 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.

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