The details on Greenstone Corporation
- WA L&I registration
- GREENC*814N8
- Registration checked
- July 27, 2026
- Registered since
- 2019
- Expires
- August 2027
- Contractor bond
- $30,000 · Harco National Insurance Co
- Liability insurance
- $2,000,000 · Western Pacific Mutual Ins Co
- Insurance through
- September 2026
- Primary trade
- General Contractor
- L&I specialty
- GENERAL
- Service area
- Liberty Lake
Something here wrong or out of date? The business can claim this listing and correct it.
Questions worth asking Greenstone Corporation
Is Greenstone Corporation licensed in Washington?
Greenstone Corporation holds Washington State (L&I) contractor registration GREENC*814N8, expiring August 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 (Harco National Insurance Co) and $2,000,000 of liability insurance with Western Pacific Mutual Ins Co through September 2026. Ask for proof of bond and current insurance before work starts.
What areas does Greenstone Corporation serve?
Liberty Lake. Service areas change, so confirm they cover your address when you call.
How did Greenstone Corporation end up on this page?
Greenstone Corporation 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.