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RESIDENTIAL in Mount Vernon, WA
10 records with this specialty and Mount Vernon as their locality of record, from L&I's records, as of November 3, 2026.
Source: Washington State Department of Labor & Industries (L&I) — records as of November 3, 2026. Records change; the board’s own L&I Verify a Contractor is the current source.
- A1 PLUMBING LLC ACTIVE
- ALL CLEAR PLUMBING LLC SUSPENDED
- ARRAY ELECTRIC LLC ACTIVE
- BOOKER'S PLUMBING LLC ACTIVE
- J & H PLUMBING SERVICES INC ACTIVE
- NW Custom Plumbing LLC ACTIVE
- ROBERT'S PLBG/HM IMPR SVCS INC ACTIVE
- TRADITIONS PLUMBING LLC SUSPENDED
- WASHINGTON CONSTRUCTION ACTIVE
- Z'S PLUMBING LLC ACTIVE