Excellent Office, Medical Office or Retail Location. $8.00 / SF !!! Commerce Row is just across Koop Drive from the St. Tammany Office Complex. Tammany Trace and Kids Playground are very close. Lot 13 (20,037.6 SF) is listed at $160,300 and can be combined with Lot 14 (21,133.4 SF) listed at $169000 Lot 13 & 14 combined . 95 acres at $8.00 / SF or $329,300