6. Kuffs (1992)
An attractive young slacker bails on his equally attractive, pregnant girlfriend in Sacramento to get in on the ground floor of his brother's privatized policing startup in SF (a real thing, btw), so it rings true. Also there's a sweet hill jumping car stunt before the five-minute mark.
7. The Maltese Falcon (1941)
Shooting on location wasn't a huge deal around '41, so the only authentic SF you see is in the establishing shots. This is a great movie, though, and since it's an almost shot-for-shot adaptation of a truly authentic SF book (seriously, the locations make up like half of the description) we're willing to give it a pass. They tried, you see, and that counts.