The Young Israel of Beford Bay office building is located at 2114 Brown Street, in Brooklyn, NY, 2 blocks east of Nostrand Avenue, between Avenue U and V.
During the week we pray in the bais medrash located at 2114 Brown Street
On Shabbos and Yom Tovs we pray in the main synagogue, located at 2113 Haring Street, which is 1 block east of Nostrand Avenue, Between U and V