From the North (Manchester/Concord):

Route 93 South to Exit 1
Stay straight and follow signs toward Veterans Memorial Parkway
Go straight through set of lights at intersection of Route 28
Pass police station on left
Take next left onto Freedom Drive - follow to end
Enter the Telfer Circle housing complex
Office located in center of complex - visitor parking to the left

From the South (Boston/Massachusetts):

Route 93 North to Exit 1
Follow remaining directions above