Mackall Square, 1633 Twenty-ninth Street, Northwest, Washington, District of Columbia, DC

Significance: Mackall Square conveys better than any other property the rural,isolated nature of residences in Georgetown Heights - the northern portion of Georgetown that was outside the early boundaries of the port of Georgetown -in the late eighteenth/early nineteenth century and the subsequent evolution of these properties into urban estates later in the nineteenth century and the evolution of Georgetown's infrastructure. Mackall Square was also associated with prominent Georgetown families and individuals.
Unprocessed Field note material exists for this structure: N658
Survey number: HABS DC-164
Building/structure dates: before 1859 Initial Construction
National Register of Historic Places NRIS Number: 67000025