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Nearby Plumber — nearbyplumber.com · License-verified plumbing directory · printed Oct 22, 2026
Plumbers › Washington › Cowlitz County › Three Sons Plumbing LLC
Licensed Plumbing Contractor — Residential · Kalama, WA

Three Sons Plumbing LLC

✓ L&I Verified Kalama, WA · Cowlitz County

Three Sons Plumbing LLC, based in Kalama, WA, holds L&I license THREESP781C4 (Plumbing Contractor — Residential), which read active when we checked it on Oct 21, 2026.

License
Plumbing Contractor — Residential
License status
● Active
Last checked
Oct 21, 2026

L&I license verification for Three Sons Plumbing LLC

LicenseLicense numberStatus
Plumbing Contractor — Residential THREESP781C4 ● Active
Last checked against L&I records: Oct 21, 2026· Look up license THREESP781C4 on the L&I contractor verification ↗

What the L&I badge means

  • Their license number appears in the L&I record and reads active on the date shown.
  • The name and county we list match that record.
  • We re-check on a schedule and date-stamp every check.

What the badge does not mean

  • It is not a recommendation, an endorsement or a quality rating.
  • It does not confirm insurance, bonding or pricing.
  • It does not mean they are taking work right now.

Where Three Sons Plumbing LLC is based

County of record on the L&I listing. That is where the business is filed, not where it works. The license is valid statewide.

Three Sons Plumbing LLC reviews

No customer reviews of Three Sons Plumbing LLC yet. We only publish reviews from confirmed customers after completed work, and we never import or synthesize them.

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