GroundRosterBenjamin Kirk
| Name | Benjamin Kirk |
| Company | Central Keystone Designs, LLC. |
| License number | 03887 |
| License type | On-Lot System Installer (DEP training-recognition list) |
| License status | DEP-recognized on-lot system installer; most recent training update 2025-02-03 (a training-recognition list, not proof of a currently active license) |
| Based in | Shermans Dale, Pennsylvania 17090 |
| Phone | (717) 943-8896 |
"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 Pennsylvania's official licensing records; we do not vouch for the business itself. Before hiring, look up license #03887 directly with the state, confirm it is still active, and ask for a current certificate of insurance.
Source: PA DEP Act 537 - On-Lot Sewage System Installer training-recognition list, last checked 2026-08-16. Verify at the official source.
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