Tom & Janet Gruber purchased the Toni Lynn Apartments located at 499 West Progress Ave. in Littleton, CO. The 16,820-square-foot complex, consisting of 29 one-bedroom, one-bathroom apartments sold for approximately $1.6 million, or $55,183 per unit. There were five vacant units at the time of the sale, for a 17 percent vacancy rate, and a cap rate of 6.61 percent.