Steven Westreich of Westbridge Realty Group has filed plans to expand a residential building at 1975 Creston Avenue, Mt Hope, Bronx, from 41 units to 99 units. The major alteration application seeks to convert the existing five-story walkup into a larger residential building. The property, currently with 37,960 square feet of built space and 23,780 square feet of air rights, has a total buildable area of 61,705 square feet.