Parking passes are not required to park on campus on the weekends. https://www.wm.edu/about/images/wrenchapel/Wren-Chapel-parking-map.pdf https://www.wm.edu/offices/auxiliary/parkingandtransportation/_documents/Campus%20Parking%20Map%20-%20By%20Type2.pdf https://www.wm.edu/about/visiting/parking/index.php
On this map, you can see the Wren building as well as the Community Building. Next to the Community Building is a parking deck. All around the Wren Building (intersection of Jamestown/Richmond Road/Boundary Streets) are several municipal lots with differing time limits. If it is a nice day, walking between the Wren Building and the Community Building is doable and takes about 7 minutes (and it is a lovely walk). http://www.williamsburgva.gov/Home/ShowDocument?id=92
https://www.wm.edu/about/history/historiccampus/wrenchapel/history/index.php