Welcome to Allentown, NJ. Located in the heart of Monmouth County, Allentown is the perfect place to call home. With its small-town charm and easy access to major metropolitan areas, Allentown offers the best of both worlds. Glen Kelly Real Estate specializes in helping people find their dream home in Allentown. Our experienced team of real estate professionals will help you find the perfect home in this beautiful area. We look forward to helping you find the perfect home in Allentown.