40 William Street is in The Wellesley Office Park at the intersection of Routes 9 & 128 (I-95)

From the North

Go South on Route 128/I-95 to the Route 9 East/Worcester St. exit - Exit 20A

Take slight Right onto Boylston Street (to start a U-Turn under Route 9 to Route 9 WEST)

At stop sign turn left onto Ellis St.

Turn at first left onto Boylston St.

Turn at first right into The Wellesley Office Park

40 William Street is the second building on the left.

From the South

Go North on Route 128/I-95 to the Route 9 East/Worcester St. exit - Exit 20A

Take slight Right onto Boylston Street (to start U-Turn under Route 9 to Route 9 WEST)

At stop sign turn left onto Ellis St.

Turn at first left onto Boylston St.

Turn at first right into The Wellesley Office Park

40 William Street is the second building on the left

A police officer assists exiting the office park during the hours of 4:30 pm – 6:30 pm.

Google map of 40 William Street