The Fontbonne University Fine Arts Theatre – home to Mustard Seed Theatre – is located at 6800 Wydown Blvd. in Clayton, Missouri, on Fontbonne University campus.
The parking lot for the theatre is located off of Big Bend Blvd. between Clayton and Wydown Blvd.
The theatre is located on the 2nd floor of the Fine Arts Building which is on the southern (right) side of the parking lot. There is plenty of handicapped parking and an elevator to the second floor theatre.