Occurrences centered around the autumnal holiday celebrated on October 31st, within the geographical boundaries of Fairfax, Virginia, constitute a collection of festivities, activities, and gatherings. These commonly feature costume parties, haunted houses, trick-or-treating opportunities, fall festivals, and themed entertainment designed for various age groups.
Participation in area-specific seasonal celebrations fosters community engagement, provides entertainment options, and contributes to local economic activity through spending at businesses and event venues. These activities often provide opportunities for intergenerational interaction and create lasting memories for families. Historically, communities have organized such celebrations to mark the end of the harvest season and to provide a shared social experience.