The details on CSB Construction
- WA L&I registration
- CSBCOC*756Q1
- Registration checked
- July 27, 2026
- Registered since
- 2025
- Expires
- November 2027
- Contractor bond
- $30,000 · Nationwide Mutual Ins Co
- Liability insurance
- $300,000 · HISCOX INSURANCE COMPANY INC
- Insurance through
- November 2026
- Primary trade
- General Contractor
- L&I specialty
- GENERAL
- Registered principal
- RHITKO, RUSLAN · since 2025
- Service area
- Spokane
Something here wrong or out of date? The business can claim this listing and correct it.
Questions worth asking CSB Construction
Is CSB Construction licensed in Washington?
CSB Construction holds Washington State (L&I) contractor registration CSBCOC*756Q1, expiring November 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 (Nationwide Mutual Ins Co) and $300,000 of liability insurance with HISCOX INSURANCE COMPANY INC through November 2026. Ask for proof of bond and current insurance before work starts.
What areas does CSB Construction serve?
Spokane. Service areas change, so confirm they cover your address when you call.
How did CSB Construction end up on this page?
CSB Construction 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.