Commercial Projects   Custom Homes John F. Heltzel A.I.A. has designed over a thousand homes in  Virginia, Florida, Colorado Maryland, Delaware and North Carolina, from model homes and beach houses to multi-million dollar custom homes.   Residential Additions and  Remodeling Our projects include large scale renovations and architectural additions, as well as project feasibility studies and consultations.   Commercial Clients • George Mason University • Dominos Pizza • TOSOH International • Gold's Gym • American Red Cross • Virginia Department of Motor Vehicles  • Dunkin Donuts • Patriot Square Office Building • Palau Hotel, Palau, Micronesia • Toll Brothers • SERVE, Inc. • PeterBilt • Furgeson Plumbing