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Riverside County, California

Plumbing in Riverside County, California

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Browse 965 verified plumbing registered across Riverside County, California (including Riverside, Moreno Valley, Corona, Murrieta, Temecula, Indio). 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: Riverside

Municipalities in Riverside County (40)

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

Riverside 179Corona 94Murrieta 70Temecula 64Menifee 55Moreno Valley 49Lake Elsinore 45Perris 40Hemet 38Indio 33Palm Desert 31Desert Hot Springs 21Wildomar 20Winchester 19Yucca Valley 18Beaumont 15Jurupa Valley 15Cathedral City 14San Jacinto 14Coachella 13Eastvale 9La Quinta 9Palm Springs 9Banning 8Canyon Lake 8Sun City 8Nuevo 7Thousand Palms 7Blythe 5Thermal 5Bermuda Dunes 4Imperial 4Joshua Tree 4Aguanga 3Brawley 3Cherry Valley 3El Centro 3Homeland 3Romoland 3Twentynine Palms 3

965 plumbing records · Riverside County, CA

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

Plumbing directory — Riverside County

965 matching records across 40 open municipalities · 25 on this page · Contactable records first, then alphabetical.

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Show registered-address map (24 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.

3ZIP 928812ZIP 925042ZIP 922342ZIP 922361ZIP 922111ZIP 925951ZIP 925441ZIP 925571ZIP 925061ZIP 922251ZIP 925081ZIP 925091ZIP 922431ZIP 925621ZIP 925301ZIP 928831ZIP 922271ZIP 92543Approximate postal/city centroid schematic (19 areas)

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Other Counties in California

Los Angeles CountySan Diego CountyOrange CountySanta Clara CountySan Francisco CountySacramento CountyAlameda CountySan Bernardino CountyContra Costa CountySan Mateo CountyVentura CountyFresno CountyKern CountySonoma 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.
Prepare a project brief

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.