The JaM Cellars Ballroom is located upstairs in the historic Napa Valley Opera House and is a stunning 300-650-person venue. 

The address is1030 Main St. Napa, CA 94559.

JaM Cellars Ballroom directions may be found HERE. 

There is an elevator for accessible entry. 

The Blue Note Napa club is located downstairs within the Opera House building.