Norfolk Naval Shipyard, Mast House, West side of Warrington Avenue between Shubrick & Breeze Streets, Portsmouth, Portsmouth, VA
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Significance: The Mast House served as the Norfolk Naval Shipyard's mast construction facility from 1836 to 1904. The building is historically associated with the shipyard's early role in the construction and repair of wooden sailing vessels for the United States Navy.
Survey number: HAER VA-65-A