Cooper Union selling 51 Astor Place

Cooper Union is selling a 99-year ground lease at 51 Astor Place, between Third and Fourth avenues. A buyer can raze the building and build a 270,000-square-foot building, of which 220,000 square feet can be office space. The Studley broker who is representing the sale said the property was worth at least $350 per buildable square foot. more [Post]