Well & Septic ProsBlack Diamond ExcavatingLicensed
| Name | Black Diamond Excavating |
| License type | Installer |
| License status | Licensed - Boulder 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: Boulder County Public Health - OWTS Licensed Professionals, last checked 2026-08-19. Verify at the official source.
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