The Alfred E. Clarke Mansion, also known as Caselli Mansion, Nobby Clarke's Castle and Nobby Clarke's Folly, is a mansion in San Francisco, California, located at 250 Douglass Street in the Castro neighborhood. The Clarke Mansion survived the 1906 San Francisco earthquake and subsequent fires which had destroyed many of the Victorian mansions from the same era. On December 7, 1975, it was designated a San Francisco City landmark. The mansion was used briefly as a hospital. Today, it is used as a rental property, with 15 apartments.
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Alfred E. Clarke Mansion
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