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Category:William Knowles House, 1228 30th Street NW

English: The house is generally of the Federal plan and character but demonstrates the assimilation of certain features of the Greek Revival. Although the back section has been extensively remodeled, there is indication that part of this was originally a separate two story frame building with a single chimney. This is further supported by the fact that the first known resident was listed with his carpentry shop at this address.
  • Survey number: HABS DC-163
  • Building/structure dates: ca. 1858 Initial Construction
  • Building/structure dates: 1964 Subsequent Work