A student housing complex that was built in downtown Binghamton more than a decade ago now legally has an additional 14 dwelling units. The representatives said the complex actually has 127 units - 14 more than had been previously authorized by the planning commission. The south side of the Twin River Commons complex off North Shore Drive. (Photo: Bob Joseph/WNBF News) The south side of the Twin River Commons complex off North Shore Drive. The planning commission unanimously approved the site plan modification "for the legalization" of the 14 additional units in the Twin River Commons.