I just came across openmap and it will be fun to help. I live in So. Calif and there is so many places where they was shoot moive here. There is a place call Pine hill mall. Eveyone has been there once if you seen Back to the Future. I did look at the tag to see not motion picture camera. Maybe it can be add some day.
33°59’31.65" N 117°55’35.99" W