The details on Dinwiddie Construction Inc
- WA L&I registration
- DINWICI009NA
- Registered as
- DINWIDDIE CONSTRUCTION INC
- Registration checked
- July 27, 2026
- Registered since
- 2000
- Expires
- July 2027
- Contractor bond
- $30,000 · Western Surety Co
- Liability insurance
- $1,000,000 · State National Ins Co Inc
- Insurance through
- July 2027
- Primary trade
- General Contractor
- L&I specialty
- GENERAL
- Registered principal
- DINWIDDIE, STEVE Leroy · since 1980
- Service area
- Spokane
Something here wrong or out of date? The business can claim this listing and correct it.
Questions worth asking Dinwiddie Construction Inc
Is Dinwiddie Construction Inc. licensed in Washington?
Dinwiddie Construction Inc. holds Washington State (L&I) contractor registration DINWICI009NA, expiring July 2027. 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 (Western Surety Co) and $1,000,000 of liability insurance with State National Ins Co Inc through July 2027. Ask for proof of bond and current insurance before work starts.
What areas does Dinwiddie Construction Inc. serve?
Spokane. Service areas change, so confirm they cover your address when you call.
How did Dinwiddie Construction Inc. end up on this page?
Dinwiddie Construction Inc. 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.