GroundRosterBlack Diamond Excavating LLCLicensed
| Name | Black Diamond Excavating LLC |
| License type | Licensed OWTS Installer |
| License status | Licensed - Larimer County |
| Location | Black Hawk, Colorado |
| Phone | (303) 601-4216 |
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What this license covers
- Installation / repair: licensed to build and install septic tanks and drainfields, and to repair or replace failed ones.
How to verify this license
We publish this listing exactly as it appears 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: Larimer County Department of Health & Environment, last checked 2026-08-19. Verify at the official source.
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