The details on Columbia Excavation
- WA L&I registration
- COLUME*764DO
- Registration checked
- July 27, 2026
- Registered since
- 2024
- Expires
- April 2028
- Contractor bond
- $30,000 · Nationwide Mutual Ins Co
- Liability insurance
- $1,000,000 · Scottsdale Ins Co
- Insurance through
- December 2026
- Primary trade
- General Contractor
- L&I specialty
- GENERAL
- Registered principal
- Jones, Marcos Devon · since 2024
- Registered principal
- Jones, Shannon Olivia · since 2024
- Service area
- Spokane
Something here wrong or out of date? The business can claim this listing and correct it.
Questions worth asking Columbia Excavation
Is Columbia Excavation licensed in Washington?
Columbia Excavation holds Washington State (L&I) contractor registration COLUME*764DO, expiring April 2028. We verified it against the state record on July 27, 2026, and you can check the same number on Washington's contractor lookup in about a minute. L&I also lists a $30,000 contractor bond (Nationwide Mutual Ins Co) and $1,000,000 of liability insurance with Scottsdale Ins Co through December 2026. Ask for proof of bond and current insurance before work starts.
What areas does Columbia Excavation serve?
Spokane. Service areas change, so confirm they cover your address when you call.
How did Columbia Excavation end up on this page?
Columbia Excavation is licensed and working in the Spokane area — that's the whole bar for a page here. We check that registration against the state's own record and date the check on this page, so you can see for yourself how current it is.