To the left of the main block is an early 19th-century three-season sunroom, and older ells (of 18th and 19th-century construction) extend to the right and back.

The interior of the main block has a typical colonial-era four-room center-chimney layout, with the doorway leading into a narrow vestibule with a winding staircase providing access to the attic level.

1673 date is correct, but the extensive interior changes that have concealed original fabric make it impossible to confirm this positively.

[2][3][4] During the early colonial period of Chelmsford, it was one of 19 garrison houses used for refuge by citizens during attacks by Native American tribes.

[4] The area where the house stands became part of Lowell in the late 1820s, following the early development of mills on the Merrimack River.