The details on Dupont Construction Inc
- WA L&I registration
- DUPONCI016RP
- Registered as
- DUPONT CONSTRUCTION INC
- Registration checked
- July 27, 2026
- Registered since
- 1999
- Expires
- December 2026
- Contractor bond
- $30,000 · Western Surety Co
- Liability insurance
- $1,000,000 · State National Ins Co Inc
- Insurance through
- April 2027
- Primary trade
- General Contractor
- L&I specialty
- GENERAL
- Registered principal
- DUPONT, CHRISTIAN JOHN · since 1980
- Registered principal
- WILLIAMS, STEVEN ARNOLD · since 1980
- Registered principal
- DUPONT, TYLER C · since 2024
- Service area
- Spokane
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Questions worth asking Dupont Construction Inc
Is Dupont Construction Inc. licensed in Washington?
Dupont Construction Inc. holds Washington State (L&I) contractor registration DUPONCI016RP, expiring December 2026. 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 April 2027. Ask for proof of bond and current insurance before work starts.
What areas does Dupont Construction Inc. serve?
Spokane. Service areas change, so confirm they cover your address when you call.
How did Dupont Construction Inc. end up on this page?
Dupont 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.