The details on Centuryone
- WA L&I registration
- CENTU**955JO
- Registration checked
- July 27, 2026
- Registered since
- 2005
- Expires
- May 2028
- Contractor bond
- $30,000 · Nationwide Mutual Ins Co
- Liability insurance
- $1,000,000 · Nautilus Ins Co
- Insurance through
- May 2027
- Primary trade
- General Contractor
- L&I specialty
- Framing and Rough Carpentry
- Registered principal
- MARTYNENKO, VALENTIN V · since 2005
- Service area
- Spokane
Something here wrong or out of date? The business can claim this listing and correct it.
Questions worth asking Centuryone
Is Centuryone licensed in Washington?
Centuryone holds Washington State (L&I) contractor registration CENTU**955JO, expiring May 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 Nautilus Ins Co through May 2027. Ask for proof of bond and current insurance before work starts.
What areas does Centuryone serve?
Spokane. Service areas change, so confirm they cover your address when you call.
How did Centuryone end up on this page?
Centuryone 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.