Fosters Freeze Castaic A California Original Since 1946 - Burgers, Sandwiches, Soft Serve, and Twisters. Get yours today at your local Castaic Fosters Freeze! Address 31754 Castaic Road Castaic, CA 91384 Phone: (661) 257-0302 Stay Connected! #fostersfreezeCastaic Restaurant Hours Sunday11:00 AM-10:00 PMMonday11:00 AM-10:00 PMTuesday11:00 AM-10:00 PMWednesday11:00 AM-10:00 PMThursday11:00 AM-10:00 PMFriday11:00 AM-10:00 PMSaturday11:00 AM-10:00 PM
