SHORT TERM LEASE AVAILABLE! Planning a move, and need short term office space at an iconic location in downtown Sioux Falls? Imagine your company enjoying the benefits of downtown Sioux Falls on the 3rd floor of the RH Johnson Plaza I Building. This open concept office space meets many of the modern office space requirements. Come and tour this space today. Available and ready for new tenant! Covered and uncovered parking is available at R H Johnson Plaza Parking just north of the building. 10% load factor increases rentable space to 3240.71.