Website: https://www.pzarchitects.com/ . Address: 828 Old Lancaster Road, Berwyn, PA 19312 Phone: (610) 647 6970 Peter Zimmerman Architects located in the Philadelphia area are award-winning historic preservation architects. When looking for a remodeling architect be sure to go with a firm that has extensive experience with historical restoration like Peter Zimmerman. Contact the office today to discuss your next project.