Gunbarrel Flats LLC sold the lots at 5460, 5465, 5485 and 5490 Spine Road to Coch 101 Boulder LLC, according to Boulder County property records.
In April, developers submitted the concept plan for a 232-unit apartment complex called The Alexan at Gunbarrel Flats at the site. The Alexan brand is owned by Trammel Crow Residential Co., a Dallas-based builder and operator of multifamily residential projects.
A Trammel Crow Residential representative in Colorado did not immediately return requests for comment on Friday.
Buildings in the apartment complex would be three stories, according to plans filed with the Boulder Planning Department in April. The development would include an outdoor pool, pool house, clubhouse and fitness center.