License, bond, and insurance
What Trusted Contractor checked for Certified Backflow Testing, and when.
Washington State Department of Labor & Industries
CERTIFIED BACKFLOW TESTING
WA license CERTIBT788R2
- License
- active, expires Dec 22, 2026
General - Bond
- on file with Nationwide Mutual Ins Co, $30,000, until canceled
- Insurance
- on file with WESTERN NATIONAL MUTUAL INS CO, $1,000,000, expires Jul 26, 2027
Last checked Nov 4, 2026, 5:21 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 Certified Backflow Testing'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 SEATTTO797NZ · Plumbing Contractor
active, expires Aug 2, 2027 · bond on file · insurance on file · checked Nov 4, 2026, 5:22 AM Pacific · full record
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Washington L&I license SEATTTO917MU · Construction Contractor
active, expires Aug 11, 2027 · bond on file · insurance on file · checked Nov 4, 2026, 5:22 AM Pacific · full record
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Washington L&I license SEWERSN760K3 · Construction Contractor
active, expires Jun 17, 2028 · bond on file · insurance on file · checked Nov 4, 2026, 5:22 AM Pacific · full record
Recent checks
- Nov 2, 2026, 2:41 AM PacificNo change
- Oct 24, 2026, 9:02 AM PacificNo change
- Oct 22, 2026, 2:34 PM PacificNo change
- Oct 18, 2026, 11:17 PM PacificNo change