648 NY-203, Spencertown, NY 12165
Madsen Excavation is based in Spencertown, New York, and specializes in excavation and septic system installation. The company serves a broad region including Columbia County, Dutchess County, and Rensselaer County in New York, as well as The Berkshires and Northwest Connecticut.
Homeowners in the greater Hudson Valley and Berkshires region can rely on Madsen Excavation for professional septic installation work. The company handles the excavation and site preparation required for new septic systems, serving residential and property owners across multiple counties in upstate New York and nearby Connecticut.
Madsen Excavation maintains a 4.4 out of 5 customer rating. Property owners in Columbia, Dutchess, and Rensselaer Counties who need septic installation or excavation services can contact the company to discuss their project needs and service availability.
Dutchess, Rennselaer Counties, Northwest Connecticut
Address
648 NY-203, Spencertown, NY 12165Last verified: 2/21/2026