Clownhouse was released into theaters on July 20th, 1990. Filming locations include Concord and Napa, Ca. It was directed by Victor Salva. Twelve years later, Salva would write and direct the exceptional horror movie Jeepers Creepers, as well as it's two sequels. In 1988, Salva was convicted of sexually abusing twelve year old Nathan Forrest Winters (who played Casey in the movie) during the films production. He served fifteen months of a three year prison term for the crime. The score was composed by Michael Becker and Thomas Richardson. The films first DVD release was on July 7th, 2003.
Family house - 1598 Niebaum Ln. Napa, Ca. 94558
The house has been there since at least the late 1960's.