Flex/Warehouse building For Lease in Mills River. Built in 2017, the 3,150 square foot building has an 18-foot ceiling height at the center, two 10x12-foot garage doors, one 10x10-foot garage door, 3 private offices, a conference room, a reception area and additional private storage rooms. Excellent location on Old Haywood Road, close to NC-280 (Airport Road) and I-26.