1982 National Register of Historic Places Inventory for Colonial Germantown Historic District:
"John Metzler House, before 1784; new facade c. 1860, two stories, stucco with wood trim, Italianate style. --- Contributing."

Additional Sources:

• GHS: Jellett, Edwin C. "Germantown Historical Miscellany," p. 238: panoramic view of Germantown Avenue south of Haines (1906 post card).
• HSP: Campbell Collection (Compiled by Jane Campbell, circa 1900-1910), vol. 33, p. 192: panorama of Germantown Avenue below Haines beginning with 5926 Germantown Avenue (photograph).