GroundRosterHarry Caswell IncLicensed
| Name | Harry Caswell Inc |
| License number | 5427, 790, 6299F, 6292F |
| License type | Class F (Liquid Waste) · Pump Installer Contractor · Water Well Contractor |
| License status | Approved |
| Location | Millsboro, Delaware 19966 |
| Phone | (302) 945-5322 |
Request a quote from Harry Caswell Inc
What this license covers
- Drilling / construction: licensed to bore, case, complete, and plug water wells.
- Pump installation: licensed to install, repair, and replace well pumps, pressure tanks, and the piping between the well and the building.
- Installation / repair: licensed to build and install septic tanks and drainfields, and to repair or replace failed ones.
- Pumping / cleaning: licensed to pump out and clean septic tanks, service them, and haul the waste.
How to verify this license
We publish this listing exactly as it appears in Delaware's official licensing records; we do not vouch for the business itself. Before hiring, look up license #5427, 790, 6299F, 6292F directly with the state, confirm it is still active, and ask for a current certificate of insurance.
Source: Delaware DNREC - licensed water well and pump installer contractors + Delaware DNREC - licensed on-site wastewater treatment and disposal system licensees, last checked 2026-08-16. Verify at the official source.
Are you Harry Caswell Inc? Claim this listing to set your business name and add your website, service area, hours, and photos. It's free.