Store Bagel Boss 1st Avenue with kosher section is located on 263 1st Avenue in New York, NY. Bagel Boss has only used the freshest and highest quality ingredients in all of our menu items.  Also they have a wide selection of kosher foods for every occasion.  From a simple brunch to a fun and elegant Bar Mitzvah, Bagel Boss does it all. Complete party and event planning is our specialty. They work 24/7.