License, bond, and insurance
What Trusted Contractor checked for Williams Mechanical Inc, and when.
Washington State Department of Labor & Industries
WILLIAMS MECHANICAL INC
WA license WILLIMI088PA
- License
- active, expires Oct 1, 2027
General - Bond
- on file with Merchants Bonding Co (Mutual), $30,000, until canceled
- Insurance
- on file with Western National Assur Co, $1,000,000, expires Sep 30, 2027
Last checked Nov 4, 2026, 5:22 AM Pacific against Washington L&I public data (General (m8qx-ubtq), Bond (bzff-4fmt), Insurance (ciwg-agsx)). We read every Washington and Oregon license from state data each day, and again when this page opens more than 12 hours after the last check. The state itself can take a few days to post changes. Check again now
See Williams Mechanical Inc's reviews
Confirm it yourself: official Washington L&I lookup · the public dataset
Other licenses this business holds
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Washington L&I license WILLIMI795MF · Plumbing Contractor
active, expires Jul 1, 2027 · bond on file · insurance on file · checked Nov 4, 2026, 5:22 AM Pacific · full record
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Oregon CCB license 126975 · Commercial Specialty Contractor Level 2
active, expires Jan 9, 2028 · bond on file · insurance on file · checked Nov 4, 2026, 5:22 AM Pacific · full record
Recent checks
- Oct 24, 2026, 12:28 PM PacificNo change
- Oct 22, 2026, 10:23 PM PacificNo change
- Oct 22, 2026, 9:35 AM PacificNo change
- Oct 20, 2026, 11:58 PM PacificNo change
- Oct 20, 2026, 4:54 AM PacificNo change