3400 Massachusetts Ave., NW., Washington, District Of Columbia. County/parish: District of Columbia.
Added to the National Register of Historic Places October 13, 2015. NRIS 15000719.
1 contributing building.The Heurich-Parks House at 3400 Massachusetts Avenue on Observatory Circle, Washington, D.C., was built in 1925 by philanthropic businessman Christian Heurich, Jr. The home was sold to ophthalmologist Marshall M. Parks in 1960. On October 13, 2015, the house was listed on the National Register of Historic Places.
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