GroundRoster4J Excavation LLCLicensed
License details
| Company | Joaquin Zabala |
| License number | 366155 |
| License type | R-41 Septic Tanks and Systems |
| License status | Active, Arizona ROC licensed contractor |
| Based in | Williams, Coconino County, Arizona 86046 |
"Based in" is the city and county of the address on the business's license record.
How to verify this license
We publish the license details exactly as they appear in the public licensing records of the agency that issued the license; we do not vouch for the business itself. Before hiring, look up license #366155 directly with the agency that issued it, confirm it is still active, and ask for a current certificate of insurance.
Source: Arizona ROC - Licensed Contractors, last checked 2026-08-17. Look it up at the issuing agency.
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