GroundRosterCostner Excavating LLCLicensed
| Name | Costner Excavating LLC |
| License type | Licensed OWTS Contractor |
| License status | Licensed - El Paso County (Tier 2) |
| Based in | Colorado Springs, Colorado 80922 |
| Phone | (719) 393-5387 |
"Based in" is the city on the business's state license record. That can be a mailing address; it doesn't tell you where the business works.
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How to verify this license
We publish the license details exactly as they appear in Colorado's official licensing records; we do not vouch for the business itself. Before hiring, look up this license directly with the state, confirm it is still active, and ask for a current certificate of insurance.
Source: El Paso County Public Health - Onsite Wastewater Treatment Systems (OWTS), last checked 2026-08-19. Verify at the official source.
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