On Leonard between Conselyea and Skillman (halfway between Metropolitan Avenue and the B.Q.E.)
Exit at Meeker Ave. (just after the Kosciuszko Bridge). Follow Meeker (under the BQE) for about 10 blocks. Turn left on Leonard St. No. 326 is on the left side, just past Skillman Ave. (4-5 blocks).
Exit at Metropolitan Ave./ Williamsburg Bridge. Stay on Meeker (under the BQE) through 2 stoplights. Turn right at the next street (Skillman). After 2 blocks, turn right on Leonard. No. 326 is just past the corner on the left.
Exit at Graham Avenue (third stop in Brooklyn). On the street level, walk back toward the city along Metropolitan Avenue. You must walk two blocks to reach Leonard Street. (The first street, which you'll pass, is called Manhattan Avenue.) Turn right on Leonard Street. Walk two blocks to No. 326.
Exit at the Metropolitan Ave. end of the train (tail of train if you're coming from Queens, head of train coming from further south in Brooklyn). Walk 2 blocks uphill on Metropolitan Ave away from the elevated BQE. (The first street, which you'll pass, is called Lorimer.) Turn left on Leonard Street. No. 326 is 2 blocks down, on your right.