Where was This House Possessed filmed?

1981 television film directed by William Wiard

This House Possessed (1981) was filmed in San Diego County, Rancho Santa Fe and The Lot at Formosa, 3 places named in its Wikipedia article, in the United States. Wikidata records no filming location for it at all, so the article is the only recorded source. Each place says where its claim comes from.

See them on the map → Wikipedia Source data