From Boston and Cambridge
Storrow Drive to Fresh Pond Parkway to route 2 west.
Pass over route 128 into Lincoln staying on Route 2 into Concord.
After the sixth light in Concord on route 2 you will enter 'the Concord rotary', take the 4th exit off of the rotary onto Commonwealth avenue. Concord MCI (the large prison) will be on your left.
After a 1/2 mile on Commonwealth Avenue turn left on Winthrop Street. Turn right at the sign that says Nashoba Brook Bakery and go to the far right hand corner of the parking lot.
Walk over the wooden foot bridge towards the building with the Nashoba Brook Bakery sign. Enter through the door that says 152-1, next to the entrance to the bakery. Walk up to the second floor and follow the signs.