Welcome to Brady Sullivan Properties, New Hampshire's leading real estate agency specializing in developing, constructing and converting condominium complexes throughout New England and Naples, Florida. Brady Sullivan Properties offers NH Condos for Sale in Manchester, Concord, Merrimack, and other popular locations, as well as MA Condos for Sale in Quincy, Lowell and Hudson, Massachusetts. Brady Sullivan holds a sizable share of both the commercial and residential real estate markets in Southern NH, and manage a diverse portfolio of over three million square feet of mill, office and industrial space.