The Montgomery County Board of Developmental Disabilities Services (MCBDDS) will host its annual Trunk-or-Treat event Saturday, October 11 from 3 to 5 p.m. at Northview Center, 8114 N. Main St., Dayton, 45415. Dress up in your favorite costume and wander through the decorated cars and collect Halloween goodies! This event is open to the community. Providers will be on hand to share information about their services. Ritter's Frozen Custard will be offered free of charge.