October 22, 2025 Spook-Tacular Community Trick-or-Treat at City County Building Children and their families will be able to enjoy a night of Halloween fun during the Trick-or-Treat Crawl at Pittsburgh’s City-County Building on Thursday, October 30. Learn More The event will run from 5:30 p.m. to 7:30 p.m. in the building’s Grand Lobby. It will include decorated tables hosted by city departments, candy, music, a costume contest for all ages, and a chance to meet city officials in a fun and informal setting. The event is free and open to the public.