Pennoni Associates, IncLicensed
| License number | 4624C |
| License type | Class C (Engineered-Designer) |
| License status | Approved |
| Based in | Newark, New Castle County, Delaware 19713 |
"Based in" is the city and county of the address on the business's license record. That can be a mailing address; it doesn't tell you where the business works.
What this license covers
- Design: licensed to size and lay out a septic system for a specific site and soil condition.
- Engineered design: licensed to design engineered systems, used where soil or site constraints rule out a standard system.
How to verify this license
We publish the license details exactly as they appear in the official licensing records of the agency that issued the license; we do not vouch for the business itself. Before hiring, look up license #4624C directly with the agency that issued it, confirm it is still active, and ask for a current certificate of insurance.
Source: Delaware DNREC - licensed on-site wastewater treatment and disposal system licensees, last checked 2026-08-16. Verify at the official source.
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