Mansard Estates offers new homes in Galena.. This Polaris area community features showcase homes, a paid initiation fee to The Lakes Country Club and pond areas with a walking path. Mansard Estates offers new homes near Olentangy Schools and is close to Olentangy Orange High School. These new homes in Galena are part of the M/I Homes Select Series and M/I Homes Elite Series of new homes in Columbus. Mansard Estates offers prestigious semi custom homes on walkout or pond view home sites. Enjoy options like a 3 car side load garage and a full basement. This Southern Delaware County community has 100% ENERGY STAR® Certified homes. M/I Homes in Columbus builds new homes with a 30-Year Structural Warranty. For help with your new home search in Powell, contact us today for more details and find out why M/I Homes in Columbus is the leading home builder in Columbus.