NEVADA CITY, Calif. October 31, 2018 – The Nevada County Government building looks a lot like Hogwarts today. County departments are set for the ‘trick or treaters’ of all ages to come visit them from 2:00 p.m. to 4:00 p.m. at the Rood Center and the lobbies of Crown Point and Brighton Greens campuses. You don’t want to miss the treats and the costumes!