The Mansion House was built in approximately 1904 and restored in 1913, 1928, 1938, and 1991. This historic building is a two-story masonry and wood platform, built as a single-family residential building. located in the heart of beautiful St. Petersburg's Old Northeast and the arts and entertainment district, convenient for all of sunny Tampa Bay, Florida. Minutes from one of the loveliest natural harbors, the Vinoy Basin and the Renaissance Vinoy Resort.