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Nearby Plumber — nearbyplumber.com · License-verified plumbing directory · printed Oct 21, 2026
Plumbers › Washington › King County › MT Si Mechanical LLC
Licensed Plumbing Contractor — Journey Level · North Bend, WA

MT Si Mechanical LLC

✓ L&I Verified North Bend, WA · King County

MT Si Mechanical LLC, based in North Bend, WA, holds L&I license MTSIMSM786RB (Plumbing Contractor — Journey Level), which read active when we checked it on Oct 21, 2026.

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

L&I license verification for MT Si Mechanical LLC

LicenseLicense numberStatus
Plumbing Contractor — Journey Level MTSIMSM786RB ● Active
Last checked against L&I records: Oct 21, 2026· Look up license MTSIMSM786RB 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 MT Si Mechanical 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.

MT Si Mechanical LLC reviews

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

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