Was the movie Alpha Dog set in Pomona CA?

While the movie Alpha Dog is set in Southern California, it was not specifically filmed in Pomona, CA.

The film was primarily filmed in Los Angeles and the surrounding areas, including:

* Los Angeles

* San Fernando Valley

* Santa Clarita

* Santa Monica

The movie uses a combination of these locations to portray the Southern California setting, but does not explicitly name Pomona as a filming location.