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Cassopolis, MI
Septic Dosing Station
A dosing station and pump where a gravity system wasn't practical.

Niles, MI
Barndominium Septic System
Elevations, excavation, and drain field prep for a new barndominium.

Buchanan, MI
Land Clearing and Grading
An overgrown lot turned into a construction-ready site.

Berrien Springs, MI
Driveway Section Rebuild
A damaged section rebuild without a full replacement.
Service area
Where Cornerstone Excavation works
Cornerstone Excavation is based in Niles and serves Niles, Buchanan, and Berrien Springs in Berrien County and Cassopolis in Cass County, plus surrounding Southwest Michigan communities.
Permits
Septic Permits by County
County
towns
health department
Berrien
Niles, Buchanan, Berrien Springs
Berrien County Health Department (Niles Division: 1205 N. Front St., Niles)
Cass
Cassopolis
Van Buren/Cass District Health Department
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