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Cornerstone Engineering Contractors
OK to hire? Yes, with caution
- Exempt from workers' comp (no employees). If they bring a crew, ask why.
- Brand-new license (issued 04/14/2026). Ask for references.
License details
| Issued | 04/14/2026 |
|---|---|
| Expires | 04/30/2028 |
| Classifications | A · General Engineering |
| Address | 7461 Windrose Dr, Highland, CA 92346 |
| Phone | (909) 725 3500 |
| Languages | Not reported yet |
Contractor's bond
| Surety | American Contractors Indemnity Company |
|---|---|
| Amount | $25,000 |
| Effective | 03/30/2026 |
| Cancelled | — |
Workers' comp
| Coverage | Exempt |
|---|---|
| Insurer | — |
| Policy | 03/18/2026 – — |