Montclair Jazz Festival is the largest free jazz festival in the NYC metro area, transforming downtown Montclair, New Jersey into a cultural takeover each summer. Anchored by the Downtown Jamboree and Brother Mister Block Party, the festival spans months of programming and draws more than 26,000 attendees to hear legends like Christian McBride, Lisa Fischer, and Dee Dee Bridgewater. Founded by Jazz House KiDS, the festival blends world-class talent with community impact, drawing a diverse, family-friendly crowd from New Jersey and New York for interactive zones, food, drinks, and brand activations throughout the downtown corridor. Sponsors get unparalleled reach, cultural equity, and grassroots energy, gaining access to a diverse, influential, and loyal audience that spans art, tech, and civic communities.