The property for sale at 0 Castledown Rd, Pleasanton, CA in has a list price of $488,888. This property has bedrooms and bathrooms with an approximate square footage of. This property is listed by Laura Glovin with Better Homes and Gardens Tri-Valley Realty and is being sent to Yahoo! Homes by Better Homes and Gardens Mason Mcduffie Real Estate. 0 Castledown Rd has been listed on Yahoo! Homes for 77 days.