Enjoy a MainStage Subscription for 2 at Theater West. Your MainStage subscription allows you to select Four (4) MainStage productions of your choice. Theatre West is an internationally acclaimed non-profit arts organization in Hollywood, California. Established in 1962, Theatre West is the oldest continunally running theatre company in Los Angeles. Theatre West is located at 3333 Cahuenga Blvd West, LA, CA, 90068, off the 101, in the Cahuenga Pass, between Barham and Lankershim, just down the block from Universal Studios. FREE PARKING is provided across the street in the PANASONIC lot.