Observatory Hill is a new townhouse and single family home development by Aspen Ridge Homes currently under construction at Bayview Avenue, Richmond Hill. Sales for available units range in price from $1,445,990 to over $2,659,990. Observatory Hill unit sizes range from 1456 to 5234 square feet. Located close to Bayview Avenue and Hillsview Drive. Development consist of 22′ rear lane towns, 27′ semis, 36′, 45′, 50′ single family homes.