The details on Prosto-Construction Inc
- WA L&I registration
- PROSTI*810DE
- Registered as
- PROSTO-CONSTRUCTION INC
- Registration checked
- September 14, 2026
- Registered since
- 2019
- Expires
- September 2028
- Contractor bond
- $15,000 · RLI Ins Co
- Liability insurance
- $1,000,000 · United Financial Casualty Comp
- Insurance through
- March 2027
- Primary trade
- General Contractor
- L&I specialty
- Siding
- Registered principal
- BLYZNIUK, YURII · since 2019
- Service area
- Spokane Valley
Something here wrong or out of date? The business can claim this listing and correct it.
Questions worth asking Prosto-Construction Inc
Is Prosto-Construction Inc. licensed in Washington?
Prosto-Construction Inc. is registered with Washington State L&I under number PROSTI*810DE, expiring September 2028. Checked against Washington's own record on September 14, 2026, and this page links straight to it. L&I also lists a $15,000 contractor bond (RLI Ins Co) and $1,000,000 of liability insurance with United Financial Casualty Comp through March 2027. Ask them to send the bond and insurance certificates over before the first day on site.
What areas does Prosto-Construction Inc. serve?
Spokane Valley is what they cover. A crew close to you is the one that comes back for a warranty call, so it is worth asking how far out they really travel.
How did Prosto-Construction Inc. end up on this page?
Licensed, and working in Spokane Valley. That is the bar for a page on this site, and Prosto-Construction Inc. clears it. 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.