Where was the Alvin and the Chipmunks in film series filmed?

The Alvin and the Chipmunks in film series has 3 titles (2007 to 2015). Wikidata records no filming place for them; Wikipedia names Los Angeles, El Segundo and Sunset Gower Studios. Every place links to its source.

The productions, in order

Named in Wikipedia's own articles

Places named only in the titles’ Wikipedia articles.