The Rainbird mansion - 10451 Bellagio Road, Los Angeles, California. The old Tudor-style mansion was razed in 2015, and replaced with a new house. It was in Bel-Air, not in South Pasadena as various sources had claimed for years.
Blanche's (Barbara Harris) house - 4254 Lexington Avenue, Los Angeles, California
George (Bruce Dern) is looking for the chauffeur's daughter - Bullocks Wilshire, 3050 Wilshire Boulevard, Los Angeles, California
Barlow Creek Cemetery - Pioneer Cemetery, Sierra Madre Boulevard, Sierra Madre, California
The church where the archbishop is kidnapped - Grace Cathedral, 1100 California Street, San Francisco, California.
Adamson's (William Devane) garage - Buchanan Street at Sacramento Street, San Francisco, California
The mountain road - Angeles Crest Highway between Mt. Wilson and Charlton Flat, California
The café where Blanche and George are waiting for Maloney - It's probably a studio set built for the film
Adamson's shop - It's probably a studio set
Blanche leaves a message for George - Fairmont Hotel, 950 Mason Street, San Francisco, California
Adamson's House - 2230 Sacramento Street, San Francisco, California
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