License, bond, and insurance
What Trusted Contractor checked for Northwest Waterproofing LLC, and when.
Washington State Department of Labor & Industries
NORTHWEST WATERPROOFING LLC
WA license NORTHWL840L7
- License
- active, expires Aug 24, 2028
Insulation And Acoustical - Bond
- on file with Merchants Bonding Co (Mutual), $15,000, until canceled
- Insurance
- on file with Obsidian Specialty Insurance C, $1,000,000, expires May 6, 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 Northwest Waterproofing LLC's reviews
Confirm it yourself: official Washington L&I lookup · the public dataset
Recent checks
- Oct 25, 2026, 11:29 PM PacificNo change
- Oct 18, 2026, 7:12 PM PacificNo change
- Oct 17, 2026, 2:58 PM PacificNo change