License, bond, and insurance
What Trusted Contractor checked for National Boiler Service LLC, and when.
Washington State Department of Labor & Industries
NATIONAL BOILER SERVICE LLC
WA license NATIOBS761RP
- License
- active, expires Dec 16, 2026
Boiler/Steam Fit/Proc Piping - Bond
- on file with Cincinnati Ins Co, $15,000, until canceled
- Insurance
- on file with XL INSURANCE AMERICA INC, $1,000,000, expires Apr 1, 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 National Boiler Service LLC's reviews
Confirm it yourself: official Washington L&I lookup · the public dataset
Other licenses this business holds
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Oregon CCB license 262055 · Commercial General Contractor Level 1
active, expires Jun 30, 2028 · bond on file · insurance on file · checked Nov 4, 2026, 5:23 AM Pacific · full record
Recent checks
- Nov 1, 2026, 12:53 AM PacificNo change
- Oct 23, 2026, 7:31 PM PacificNo change