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Plumbing in Pierce County, Washington

Browse 136 verified plumbing registered across Pierce County, Washington (including Tacoma, Puyallup, Lakewood, Bonney Lake, University Place, Sumner). 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: Tacoma

Municipalities in Pierce County (11)

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

Tacoma 51Puyallup 30Bonney Lake 10Gig Harbor 9Buckley 6Graham 6Eatonville 4Lakewood 4Spanaway 4Fife 3Milton 3

136 plumbing records · Pierce County, WA

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

Plumbing directory — Pierce County

136 matching records across 11 open municipalities · 25 on this page · Contactable records first, then alphabetical.

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.