GroundRosterHigh Performance EarthworksLicensed
| Name | High Performance Earthworks |
| License number | 782 |
| License type | Licensed OWTS Contractor |
| License status | Licensed - Jefferson County |
| Based in | Nederland, Colorado 80466 |
| Phone | (720) 514-9817 |
"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.
Request a quote from High Performance Earthworks
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 license #782 directly with the state, confirm it is still active, and ask for a current certificate of insurance.
Source: Jefferson County Public Health - List of Licensed OWTS Contractors, last checked 2026-08-19. Verify at the official source.
Are you High Performance Earthworks? Claim this listing to show your business name on it. It's free, and we check every claim by hand.