Leonardi & Son Construction, Inc. is a trusted, family-owned business with over 35 years of experience in excavation and construction services. Established in 1989, the company is led by Louis V. Leonardi, a Purdue-trained mechanical engineer with a background in rocket propulsion, bringing a high level of technical precision to every project. Their expertise spans a wide range of services, including septic and sewer system installation, oil tank removal and installation, waterproofing and drainage solutions, excavation and site preparation, as well as curtain drains and Soil Air Products. Known for their professionalism, quality workmanship, and owner-led approach, Leonardi & Son serves residential and commercial clients throughout Westchester and Putnam Counties.