Sentinel Earthworks — excavating & earthworks across the Delaware Valley
Delivering A Grade. Guaranteed.
Service Disabled Veteran Owned and Operated — Headquartered in Harleysville, PA.
Veteran-owned
Service Disabled Veteran Owned Small Business
Insured
Fully insured
Headquarters
Harleysville, PA
Services
What we do
Honest capability, scoped per project.
Not sure what your property needs?
We'll walk the site, follow the water and give you a plain answer.
Request a site visitService Areas
Serving the Delaware Valley and beyond.
County-level coverage across the Delaware Valley — Pennsylvania, New Jersey, Delaware and Maryland.
- Montgomery County
- Bucks County
- Chester County
- Philadelphia County
- Delaware County
- Berks County
- Mercer County
- Burlington County
- New Castle County
- Cecil County
- Harford County
Headquarters
Based in Harleysville, PA
130 Christopher Ln, Harleysville, PA
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