Main Office (No Re-occupancy applications accepted here) 41 S. Central Avenue Clayton, MO 63105 Phone:(314) 615-7360 Hours: 6:30 a.m. - 3:00 p.m. North County Satellite Center Northwest Crossing 715 Northwest Plaza Drive St. Ann, MO 63074 Phone:(314) 615-4100 Re-occupancy applications accepted from 8:00 a.m. - 4:00 p.m. South County Satellite Center Keller Plaza 4556 Lemay Ferry Road Saint Louis, MO 63129 Phone:(314) 615-4100 Re-occupancy applications accepted from 8:00 a.m. - 4:00 p.m.