The details on Contour Grading LLC
- WA L&I registration
- CONTOGL807CL
- Registration checked
- July 27, 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
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Questions worth asking Contour Grading LLC
Is Contour Grading LLC licensed in Washington?
Contour Grading LLC holds Washington State (L&I) contractor registration CONTOGL807CL, expiring February 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 $15,000 contractor bond (Nationwide Mutual Ins Co) and $2,000,000 of liability insurance with Ohio Security Ins Co through February 2027. Ask for proof of bond and current insurance before work starts.
What areas does Contour Grading LLC serve?
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. 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. 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.