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Plumbing in Corona

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96 plumbing records · Corona

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

Plumbing directory

96 matching records · 21 on this page · Alphabetical order. 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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Four Elements Plumbing Inc

Official license file Plumbing · Contractors State License Board

Registered address: 7275 EL CERRITO RD, Corona, CA 92881

935490 · Source dated 2026-10-18 · Service area not confirmed. · Verify on California portal →

No public phone or website on record.

J M F Plumbing Corp

Official license file Plumbing · Contractors State License Board

Registered address: 942 BINGHAM DR, Corona, CA 92882

982992 · Source dated 2026-10-18 · Service area not confirmed. · Verify on California portal →

No public phone or website on record.

Routhier Plumbing Inc

Official license file Plumbing · Contractors State License Board

Registered address: 11589 NORGATE CIRCLE, Corona, CA 92880

984893 · Source dated 2026-10-18 · Service area not confirmed. · Verify on California portal →

No public phone or website on record.

Frassica Inc

Official license file Plumbing · Contractors State License Board

Registered address: 580 MALLOY CT, Corona, CA 92878

987860 · Source dated 2026-10-18 · Service area not confirmed. · Verify on California portal →

No public phone or website on record.

Access General Contracting Inc

Official license file Plumbing · Contractors State License Board

Registered address: 357 N SHERIDAN ST STE 100, Corona, CA 92878

992223 · Source dated 2026-10-18 · Service area not confirmed. · Verify on California portal →

No public phone or website on record.

Bogart Plumbing Solutions

Official license file Plumbing · Contractors State License Board

Registered address: 2008 GEORGETOWN DRIVE, Corona, CA 92881

992337 · Source dated 2026-10-18 · Service area not confirmed. · Verify on California portal →

No public phone or website on record.

Cass Plumbing Inc

Official license file Plumbing · Contractors State License Board

Registered address: 13413 BARKER LANE, Corona, CA 92879

992846 · Source dated 2026-10-18 · Service area not confirmed. · Verify on California portal →

No public phone or website on record.

Rt Olson Plumbing, Heating And Air Conditioning LLC

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

Registered address: 9064 PULSAR CT SUITE J, Corona, CA 92883

997337 · 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.
Prepare a project brief

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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