Fair Oaks Ranch Trunk or Treat at HEB is a Halloween event held at HEB Fair Oaks in Boerne, just outside San Antonio. Trick-or-treating gets a fun twist here, with music, games and a costume contest to keep the whole crew busy. Trunk or treat is always a festive, friendly way to celebrate the season, and this one is a great pick for families and kids who love dressing up. Grab your best costume, bring the little ones and enjoy an easy, feel-good Halloween night out with the community.