AUSTIN — Austin-based Aspen Heights Partners has completed the sale of Rise on 8th, a 22-story apartment building located at 805 Nueces St. in downtown Austin. An undisclosed buyer acquired the 200-unit property, which features a conference room, TV lounge and technology/coffee bar on the first floor. The 10th floor features an outdoor fire pit, outdoor grills, a swimming pool and an indoor lounge. The 22n d floor features a 2,000-square-foot fitness center with free weights and cardio equipment. The buyer intends to announce the details of the property to the market later this year. The acquisition price was not released.