The details on Z Rock Inc
- WA L&I registration
- ZROCKRI866DG
- Registered as
- Z ROCK INC
- Registration checked
- October 1, 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
- Peter Volostnov · since 2014
- Registered principal
- Vladimir Zayko V · since 2014
- Registered principal
- Nataliya Zayko · since 2014
- Based in
- Spokane Valley
Own this business? Claim the listing to correct anything here.
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 October 1, 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.