From NJ / Rockland County:
NY State Thruway Route 87 - South (Route 287 East)
Cross the Tappan Zee Bridge
Take the first Exit after the toll (Exit 9) to the end of the ramp
At the light, turn right onto Route 9 (a/k/a Broadway) going north
Go four additional traffic lights (about 0.8 mile)
The building is located on the left hand side, immediately after West Franklin Street.

From CT - Eastern Westchester County
Cross Westchester Expressway (Route 287 West), Exits count down (ie. 4,3,2,1)
Take Exit 1
The ramp will fork - take the right fork and yield onto Rte. 119 West
Follow Route 119 West to the very end.
At the light (you will see a Shell gas station on your right), make a right onto Route 9 (a/k/a Broadway) going north.
Go three additional traffic lights (about 0.8 mile).
The building is located on the left hand side, immediately after West Franklin Street.

From NYC - Southern Westchester County
Henry Hudson Parkway North to the Saw Mill River Parkway North
Exit at Exit 21 West.
At the end of the ramp, turn right onto Rte. 119
Follow Rte. 119 to the last traffic light. You will see a Shell gas station and a Stop and Shop shopping center on your right.
Turn right onto Rte. 9 North (a/k/a Broadway)
Go three additional traffic lights (about 0.8 mile).
The building is located on the left hand side, immediately after West Franklin Street.
OR
Major Deegan (Route 87) North
To Exit 9 (Sign: Exit 9 - Route 9 Tarrytown Last Exit Before Bridge)
Come down Exit ramp to traffic light
Make left onto Route 119
Go to the traffic light
Turn right onto Rte. 9 North (a/k/a Broadway)
Go three additional traffic lights (about 0.8 mile).