San Marcos Unique & Unusual Halloween Events 2026

Check each event, since policies split evenly: many street festivals and brewery events welcome leashed dogs, while farms, food-focused markets, and anything with livestock usually prohibit them. If dogs are welcome, bring water and a mat, skip the costume unless your dog genuinely tolerates it, and be honest about crowd stress. Some events run dedicated dog costume parades, the best of both worlds.

The mundane stuff outranks the spooky stuff: watch curbs and cobblestones in the dark, keep phones charged with the meeting point saved offline, and stay with the group between stops rather than lagging for photos. Stick to well-reviewed operators whose routes stay in trafficked areas. Going solo? Share the tour name and end time with someone, standard night-out practice.

October is these operators' entire year: weekend slots for well-reviewed tours sell out two to three weeks ahead, and the final two weekends go first. Book September for peak dates, and consider weeknights, same stories, smaller groups, easier booking. For flexible plans, note the operator's cancellation window, commonly 24-48 hours, so a weather pivot doesn't forfeit the fee.