The
Westside Theatre is an
off-Broadway performance space at 407
West 43rd Street between
Ninth and
Tenth Avenues in the
Hell's Kitchen neighborhood of
Manhattan,
New York City. The building houses two auditoriums: the Upstairs theatre, which seats 270, and the Downstairs theatre, which features a thrust stage and has a seating capacity of 249. Formerly known as the Chelsea Theatre Center and the Westside Arts Theatre, the building was renovated in 1991.