License, bond, and insurance
What Trusted Contractor checked for Northern Slate And Copper LLC, and when.
Washington State Department of Labor & Industries
NORTHERN SLATE AND COPPER LLC
WA license NORTHSC838CB
- License
- active, expires Aug 13, 2027
Roofing - Bond
- on file with American Contractors Indem CO, $30,000, until canceled
- Insurance
- on file with Western World Ins Co, $1,000,000, expires Aug 26, 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 Northern Slate And Copper LLC's reviews
Confirm it yourself: official Washington L&I lookup · the public dataset
Recent checks
- Oct 30, 2026, 1:23 AM PacificNo change
- Oct 26, 2026, 1:17 PM PacificNo change
- Oct 19, 2026, 9:55 PM PacificNo change