Most teenagers stop dressing up and trick-or-treating somewhere between the ages of 12 and 16 — but that doesn't necessarily mean it's bad manners for them to go door-to-door, as long as they are polite while out on the streets.

In 2026, the social consensus has shifted toward a more inclusive "Let them be kids" attitude, meaning trick-or-treating at 16 is not considered weird, provided the teenager is respectful and in costume. Many communities now prefer seeing 16-year-olds participating in wholesome, supervised neighborhood fun rather than engaging in riskier activities. The general "etiquette" for older trick-or-treaters is to wear a clear, recognizable costume and wait for younger children to get their candy first. Some towns did attempt to implement age limits (e.g., age 12 or 14) in the past, but these are rarely enforced today. Most homeowners in 2026 take the view that anyone who makes an effort to dress up deserves a treat. As long as the teenager is polite and avoids being rowdy, they are usually welcomed. It is only considered "weird" if the person shows up without a costume or acts in a way that intimidates younger children or neighbors.