Castlewood consists of 384 homes in four different phases and features spacious greenbelts and miles of hike and bike trails. Started development: 1997 Square footage: 2,517-5,398 Home values: $355,000-$625,000 Median price per square foot: $125.20 Median days on the market: 30 HOA dues (estimated): $450-$680 Amenities: clubhouse, junior Olympic and wading pools, pool pavilion, tennis and basketball courts, park and playground, soccer field, volleyball court Nearby attractions: Lewisville Lake Schools: Heritage Elementary School, Briarhill Middle School, Marcus High School