Piedmont Garden Club P.O. Box 11110, Piedmont, CA94611 Piedmont Garden Club is a non-profit organization dedicated to improving and beautifying the local community. It has…More been involved in civic projects like funding the Exedra Park Project, planting hanging baskets in Main Park and adding centennial signs to Piedmont Park and Beach School Edibles. It also has an endowment fund that supports upcoming projects. The Piedmont Garden Club is a member of Garden Club of America.