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Nearby Plumber — nearbyplumber.com · License-verified plumbing directory · printed Oct 22, 2026
Plumbers › Washington › King County › Columbia Fire LLC
Licensed Plumbing Contractor — Backflow Specialty · Seattle, WA

Columbia Fire LLC

✓ L&I Verified Seattle, WA · King County

Columbia Fire LLC, based in Seattle, WA, holds L&I license COLUMFL755RR (Plumbing Contractor — Backflow Specialty), which read active when we checked it on Oct 21, 2026.

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

L&I license verification for Columbia Fire LLC

LicenseLicense numberStatus
Plumbing Contractor — Backflow Specialty COLUMFL755RR ● Active
Last checked against L&I records: Oct 21, 2026· Look up license COLUMFL755RR 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 Columbia Fire 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.

Columbia Fire LLC reviews

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

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