Siena at Longview subdivision --SW Sampson at SW Scherer Road Friday, September 19 and Saturday, September 20, 2014 -- 7:30 AM - 4 PM. Siena at Longview annual Fall Neighborhood Garage Sale -- Household items, furniture, clothing and miscellaneous. Siena is located one mile south of Longview Road on SW Sampson Road (at the northeast corner of the intersection of SW Scherer Road and SW Sampson Road) and immediately south of the Longview Farm subdivision. From 71 Highway in Grandview, travel east 5 miles on Main Street (road will become Scherer Road). Turn north onto Sampson Road. Entrances to Siena at Longview are directly on your right at 16th Street and/or Logos Drive.