Recognition follows ribbon cutting for Foss Fields Phase One and groundbreaking on a 250-unit second phase that will make the development the largest apartment complex in South Dakota SIOUX FALLS, SOUTH DAKOTA – July 2026 – Mailbox Money Real Estate has completed leasing on the first phase of its Foss Fields development and broken ground on a second phase that carries the largest building permit issued in Sioux Falls in 2026. Once a planned third phase is complete, Foss Fields will be the largest apartment complex in South Dakota at 500 units. The announcement came alongside a ribbon-cutting event for Foss...