GroundRosterGradeTec LLC
| Name | GradeTec LLC |
| Company | Peter Hoogenboom |
| License number | 2573 |
| License type | DEC Certified Installer |
| License status | Certified — Alaska DEC installer list, updated July 2026 |
| License expires | 2027-03-20 |
| Based in | Soldotna, Alaska 99669 |
| Phone | (907) 398-0850 |
"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.
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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 the license details exactly as they appear in Alaska's official licensing records; we do not vouch for the business itself. Before hiring, look up license #2573 directly with the state, confirm it is still active, and ask for a current certificate of insurance.
Source: Alaska DEC - Current Certified Installer List, last checked 2026-08-17. Verify at the official source.
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