The fun starts at 8 p.m. and lasts until the witching hour at Big Valley Grange Haunted Hall,1510 Big Valley Road, Finley.
There will be evil spirits, monster munchies and prizes for costumes.
Live music will be provided by Without a Net.
Tickets are $25 in advance and $35 at the door.
To get your tickets visit one of the following Kelseyville merchants: Riviera Foods, 9730 Soda Bay Road; Polestar Computers, 3930 Main St.; Kelseyville Lumber, 3555 N. Main St.; Studebakers, 3990 Main St.; or Lyndall's Sports Stop Grill, 4220 Main St.