JBorstell Real Estate and Signature Page Real Estate are please to present 551 River. Just a short distance off of 495, this property has over 15,000 square feet of very flexible space. Current configuration includes offices, a showroom for the car dealership with a 37 car license, garage bays and tons of open warehouse or automotive work space. With over 20 parking spaces and frontage on two streets, 551 River is a great property for a variety of businesses.