New Single Family Homes in Beaver, PA. Deerfield Preserve offers luxury single family homes just minutes from I-376, Route 65, and everyday conveniences. At Deerfield Preserve, not only are you close to the Beaver Valley Mall, but you are only 5 minutes from downtown Beaver filled with local shops and restaurants. Brady's Run Park is just down the road with a recreational facility and many park amenities including walking and jogging trails, dog park, playground and more!