The law firm of Costello & Frentzel has been practicing law together for almost 15 years and collectively have 50 years of practicing law. They would like to announce to their current clients and future clients, that although Mark J. Frentzel has now started his term as Grand Island Town Judge, both attorneys are still practicing full time and their business is a “full service” law firm. They kindly ask you to check out their website on Isledegrande.com, just click on the following link: Costello & Frentzel. If you have any questions or concerns, please give their office a call today at 773-3600. Free Initial Consultations Evening Appointments Available Reasonable Rates