The details on Z Rock Inc
- WA L&I registration
- ZROCKRI866DG
- Registered as
- Z ROCK INC
- Registration checked
- September 14, 2026
- Registered since
- 2014
- Expires
- March 2028
- Contractor bond
- $15,000 · NGM Insurance Company
- Liability insurance
- $500,000 · American Family Insurance Co
- Insurance through
- July 2027
- Primary trade
- Flooring
- L&I specialty
- Tile, Ceramic, Mosaic, Natural and MFG Stone
- Registered principal
- VOLOSTNOV, PETER A · since 2014
- Registered principal
- ZAYKO, VLADIMIR V · since 2014
- Registered principal
- ZAYKO, NATALIYA P · since 2014
- Service area
- Spokane Valley
Something here wrong or out of date? The business can claim this listing and correct it.
Questions worth asking Z Rock Inc
Is Z Rock Inc. licensed in Washington?
Yes — Z Rock Inc. holds Washington State (L&I) contractor registration ZROCKRI866DG, expiring March 2028. We checked it against the state record on September 14, 2026; the same lookup takes you about a minute if you want to see it yourself. L&I also lists a $15,000 contractor bond (NGM Insurance Company) and $500,000 of liability insurance with American Family Insurance Co through July 2027. Ask them to send the bond and insurance certificates over before the first day on site.
Does Z Rock Inc. cover my part of Spokane?
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.
Why is Z Rock Inc. listed here?
Licensed, and working in Spokane Valley. That is the bar for a page on this site, and Z Rock 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.