Fort Mifflin, Commandant's House (Headquarters), Mud Island, Marine & Penrose Ferry Roads, Philadelphia, Philadelphia County, PA
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Significance: Located at the focal point of the parade, the commandant's house, built in 1796, is the most architecturally significant structure in the fort.
Unprocessed Field note material exists for this structure: FN-131, FN-132, FN-133, FN-134, FN-135
Survey number: HABS PA-1225-C
Building/structure dates: 1796 Initial Construction
National Register of Historic Places NRIS Number: 70000554