GroundRosterGrand Canyon Excavation LLCLicensed
| Name | Grand Canyon Excavation LLC |
| Company | Nathaniel Stephen Polzer |
| License number | 334261 |
| License type | CR-41 Septic Tanks and Systems |
| License status | Active — Arizona ROC licensed contractor |
| Based in | Flagstaff, Arizona 86001 |
| Phone | (760) 937-7581 |
"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 Grand Canyon Excavation LLC
How to verify this license
We publish the license details exactly as they appear in Arizona's official licensing records; we do not vouch for the business itself. Before hiring, look up license #334261 directly with the state, confirm it is still active, and ask for a current certificate of insurance.
Source: Arizona ROC - Licensed Contractors, last checked 2026-08-17. Verify at the official source.
Are you Grand Canyon Excavation LLC? Claim this listing to show your business name on it. It's free, and we check every claim by hand.