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Visit us in Watertown.

Pathfinder’s headquarters office is located in Watertown, Massachusetts—7 miles west of downtown Boston. Our address is 9 Galen Street, Suite 217, Watertown, MA 02472.

If you are using a GPS, please enter address 24 Pleasant Street, Watertown. Parking is available in the rear of our building in the visitor parking spots.


Via the Mass Pike

Take exit 17, and go toward Watertown on Galen Street. Stay in the left lane. Go through several sets of lights, and over the bridge spanning the Charles River. Stay to your left (you will see the red brick building and Watertown Common on your left) and take the left turn at the light; this is Main Street, Route 20. Go through two sets of light and take a left onto Cross Street. Take another left onto Pleasant Street and the entrance to the parking lot will be on your right, after the parking garage.

Via Public Transportation

The 71 Bus from Harvard Square
Connects with the Red Line Subway in Harvard Square, this bus leaves from the Harvard Square Station frequently. The last stop is directly in front of our building.

The 504 Express Bus from Downtown Boston
Departs from the corner of Franklin and Federal Street in downtown Boston. The last stop is a very short walk across the Charles River and our office is on your left when you reach Watertown Square.

The 502 Express Bus from the Fairmount Hotel
Departs in front of the Fairmount Hotel; the last stop is the same as the 504 bus.

The 70 or 70A Bus from Central Square (East) or Waltham (West)
Connects with the Red Line Subway in Central Square, this bus leaves from the Central Square Station approximately every 20-30 minutes. The stop closest to Pathfinder from Central Square is the Watertown Square stop in front of the CVS on Main Street. Coming inbound from Waltham the closest stop is the Cross Street stop directly before Watertown Square. There is a short walk to Watertown Square and the building will be on your right, just past Watertown Savings Bank.