The details on Contour Grading LLC
- WA L&I registration
- CONTOGL807CL
- Registration checked
- September 14, 2026
- Registered since
- 2020
- Expires
- February 2028
- Contractor bond
- $15,000 · Nationwide Mutual Ins Co
- Liability insurance
- $2,000,000 · Ohio Security Ins Co
- Insurance through
- February 2027
- Primary trade
- General Contractor
- L&I specialty
- Excavation, Grading and Land Clearing
- Registered principal
- Dinger, Douglas Andrew · since 2020
- Service area
- Spokane
- Phone
- (509) 280-7898
- Website
- contourgrading.com
Something here wrong or out of date? The business can claim this listing and correct it.
Questions worth asking Contour Grading LLC
Is Contour Grading LLC licensed in Washington?
The number you want is CONTOGL807CL — Contour Grading LLC's Washington State L&I contractor registration, expiring February 2028. Last checked September 14, 2026. Washington's contractor lookup is free and open if you want to confirm it today. The same record shows a $15,000 contractor bond (Nationwide Mutual Ins Co) and $2,000,000 of liability insurance with Ohio Security Ins Co through February 2027. Get current certificates for the bond and the insurance before anyone starts.
Does Contour Grading LLC cover my part of Spokane?
Spokane. Service areas change, so confirm they cover your address when you call.
How did Contour Grading LLC end up on this page?
Contour Grading LLC is licensed and working in the Spokane area — that's the whole bar for a page here. The registration gets checked against the state's record and the date sits on this page, so you can judge how current it is. Contour Grading LLC rates 5.0 out of 5 on Google across 30 reviews, and this page links straight to those reviews so you can read them for yourself.