View all Aspen Reserve homes for sale and real estate, located in Thornton, Colorado. Aspen Reserve homes for sale and real estate listings are updated with data from the Multiple Listing Service (MLS). Students who live in Aspen Reserve attend Adams 12 Schools. Homes for sale in Aspen Reserve are just minutes from shopping, dining and major interstates. Close to everything, this community offers a convenient lifestyle just a short drive to Downtown Denver.