The Division maintains its main office in Boston and has a western office in Westfield on the Campus of Westfield State University.

Division of Ecological Restoration
251 Causeway St., Suite 400
Boston, MA 02114

Google Map Address

617-626-1540 phone
617-626-1505 fax 

DER Westfield Office
544 Western Avenue
Wilson Hall, Room 209
Westfield MA 01086

Google Map Address

413-579-3015 phone

For individual staff contacts, please see our Staff page.


Directions To Boston Office

By Public Transportation:
MBTA Green & Orange Lines: Take either line to North Station. Exit onto Causeway Street and walk east (to the right past the Zakim Bridge and away from Fleet Center). 251 Causeway Street will be on your right, just before the stoplight. DER is on the 4th floor.

MBTA Red Line: Take the Red Line to Park Street station and switch to a Green Line train bound for North Station or Lechmere. Take the Green Line (3 stops) to North Station. Exit onto Causeway Street and walk east (to the right past the Zakim Bridge and away from Fleet Center). 251 Causeway Street will be on your right, just before the stoplight. DER is on the 4th floor.

MBTA Blue Line: Take the Blue Line to Government Center and switch to a Green Line train bound for North Station or Lechmere. Take the Green Line (3 stops) to North Station. Exit onto Causeway Street and walk east (to the right past the Zakim Bridge and away from Fleet Center). 251 Causeway Street will be on your right, just before the stoplight. DER is on the 4th floor.

Commuter Rail:
From North Station: Exit station (Fleet Center) onto Causeway Street. Cross the street and walk east (to the left past Big Dig Bridge). 251 Causeway Street will be on your right, just before the stoplight. DER is on the 4th floor.

From South Station: Take the Red Line (2 stops) to the Park Street stop and switch to a Green Line train bound for North Station or Lechmere. Take the Green Line (3 stops) to North Station. Exit onto Causeway Street and walk east (to the right past the Zakim Bridge and away from Fleet Center). 251 Causeway Street will be on your right, just before the stoplight. DER is on the 4th floor.

By Car:
Street parking is very limited. The Fleet Center has a parking garage.

From the North: Take Interstate 93S to Exit 26 (North Station/Leverett Circle/Storrow Drive); stay in the right lane. At the first light, take a right. Go straight through next light and left at the following light. At the next light, take a left onto Causeway Street. 251 Causeway Street will be on your right, past the Fleet Center, just before the stoplight. DER is on the 4th floor.

Alternate Route from the North: Take Interstate 93S to Exit 28 (Sullivan Square); stay in the left lane. At the light (Sullivan Square T Station is on the right), go straight into rotary and take the first right onto Rutherford Avenue. Stay in center lane and follow over Charles River (Boston Harbor on left, Fleet Center on right). 251 Causeway Street is the first building on the right after the next light. DER is on the 4th floor.

From Eastern New Hampshire and Northeastern Massachusetts (North Shore): Take Interstate 95S to Route 1S. Follow Route 1 across the Tobin Bridge and follow signs to Charlestown/Somerville. Take a right at the light onto Rutherford Avenue. Stay in center lane and follow over Charles River (Boston Harbor on left, Fleet Center on right). 251 Causeway Street is the first building on the right after the next light. DER is on the 4th floor.

From the South: Take 93N towards Boston. Take Exit 23 (Government Center/North End). Go straight at top of the ramp. North End will be on your right and construction is on the left. Continue straight. This street merges with North Washington Street (buildings will be on both sides of street). Causeway Street is the next big intersection and 251 Causeway Street will be on your left, just before the stoplight. DER is on the 4th floor.

From the West: Follow the Massachusetts Turnpike to Interstate 93N to Boston. Take Exit 23 (Government Center/North End). Go straight at top of the ramp. North End will be on your right and construction is on the left. Continue straight. This street merges with North Washington Street (buildings will be on both sides of street). Causeway Street is the next big intersection and 251 Causeway Street will be on your left, just before the stoplight. DER is on the 4th floor.