Welcome to Konner Development. We are one of the largest real estate developers on the East End of Long Island, building more than 100 luxury homes and completing in excess of ten subdivisions over the last 30 years. Konner Development is committed to providing superior craftsmanship and high standards, while offering an outstanding value. Their in-house interior design and construction team, can help any prospective buyer glide through difficult decisions. Whether you are interested in a custom built home, commercial property or an undeveloped parcel, Konner Development has an extensive knowledge base and a wealth of experience and will help you with your real estate needs.

Each home advertised on this site is built by Konner Development but owned by an individual LLC