Downtown Petaluma Posted on September 12, 2023 Location Downtown Petaluma Petaluma CA94952 Next Event Trick or Treat Trail - 10/31/2023 - 3:00 pm - 5:30 pm Map Unavailable Upcoming Events Trick or Treat Trail - 10/31/2023 - 3:00 pm - 5:30 pmSmall Business Saturday - 11/25/2023 - All Day