Property usage permits are required when any organized or planned event taking place on county property is sponsored by a publicly recognized organization (profit or non-profit), person, business, or other entity which invites, advertises, or seeks entrants in excess of 25 participants.
Racing events are prohibited except under specific circumstances. Questions pertaining to racing events on Clear Lake should be directed to the County Administrative Office at 707-263-2580 or for racing events involving county roads to the Department of Public Works at 707-263-2341.