GroundRosterHass Builders LLC
| Name | Hass Builders LLC |
| License number | 66462679 |
| License type | Sewage Treatment System Installer |
| License status | Bonded — Ohio Department of Health, 2026 bond lists |
| Location | Marengo, Ohio 43334 |
| Phone | (419) 253-0728 |
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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 Ohio's official licensing records; we do not vouch for the business itself. Before hiring, look up license #66462679 directly with the state, confirm it is still active, and ask for a current certificate of insurance.
Source: Ohio Department of Health - Sewage Treatment System Bond Lists, last checked 2026-08-17. Verify at the official source.
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