New construction " Riverstone Square " in Southington, 3 Professional buildings $ 20 NNN. 2870ST each building, can be subdivided 1435 SF or entire building, occupancy fall of 2023. three identical buildings with over 8,000 square feet on 3.32 acres, ideal for general office and retail. Very close to downtown Southington and the instate, on very busy route 10 with over 20,000 cars passings per day, has plenty of parking with large outdoor space.