Who do you know that is looking for an ultra-efficient, peaceful retreat with plenty of space to work and grow? Welcome to 2908 Sumac St, a standout 4-bedroom, 3-bathroom single-family home offering 1,490 square feet of durable living space in the heart of North Newton, KS 67117.This premier real estate listing is a rare ICF build (Insulated Concrete Form), offering unmatched energy efficiency, drastically reduced utility bills, superior soundproofing, and exceptional structural durability. Inside, the open-concept layout showcases elegant floorings and a fully finished basement perfect for entertaining or relaxing. Car enthusiasts, hobbyists, and tradespeople will love the rare oversized 2-car garage with room for 4 cars parked tandemly, as well as the dedicated heated and cooled workshop designed for year-round projects and workspace comfort. Built in 2010, this eco-friendly, energy-efficient concrete construction property sits on a spacious 10,000-square-foot lot, maximizing every square foot for modern living, secure vehicle parking, and lasting peace of mind. Nestled in a highly desirable, walkable Harvey County community, this green home is just minutes from Northridge Elementary School, scenic neighborhood parks, and the vibrant Bethel College campus. Residents will enjoy quick access to local dining and gathering spots, located just steps away from favorites like The Local Table and Mojos Coffee Bar. Whether you are searching for energy-efficient homes for sale with a custom workshop or the ideal North Newton real estate investment, this beautifully maintained property delivers the perfect blend of performance, functional workspace, and suburban charm