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Nearby Plumber — nearbyplumber.com · License-verified plumbing directory · printed Oct 21, 2026
Plumbers › Washington › Snohomish County › Protocol Plumbing & Sewer
Licensed Plumbing Contractor — Residential · Marysville, WA

Protocol Plumbing & Sewer

✓ L&I Verified Marysville, WA · Snohomish County

Protocol Plumbing & Sewer, based in Marysville, WA, holds L&I license PROTOPS794PG (Plumbing Contractor — Residential), which read active when we checked it on Oct 19, 2026.

License
Plumbing Contractor — Residential
License status
● Active
Last checked
Oct 19, 2026

L&I license verification for Protocol Plumbing & Sewer

LicenseLicense numberStatus
Plumbing Contractor — Residential PROTOPS794PG ● Active
Last checked against L&I records: Oct 19, 2026· Look up license PROTOPS794PG 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 Protocol Plumbing & Sewer 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.

Protocol Plumbing & Sewer reviews

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

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