page_title: Downtown Ossining Historic District
section_title: National Register of Historic Places
hierarchical_section_title: Downtown Ossining Historic District / Significant contributing properties / National Register of Historic Places
caption_attribution_description: English: House at 23 Highland Avenue (US 9), Ossining, NY, USA. It is the oldest building in the Downtown Ossining Historic District
context_page_description: The Downtown Ossining Historic District is located at the central crossroads of Ossining, New York, United States, and the village's traditional business district known as the Crescent. Among its many late 19th- and early 20th-century commercial buildings are many of the village's major landmarks—three bank buildings, four churches, its village hall, former post office and high school. It was recognized as a historic district in 1989 and listed on the National Register of Historic Places, as one of the few downtowns in Westchester County with its social and historical development intact.
  One of its contributing properties, the First Baptist Church of Ossining, was previously listed on the Register in 1973. The Old Croton Aqueduct, a portion of which passes through the district, was listed on the Register the following year and designated a National Historic Landmark in 1992. Among the architects represented in the district are Robert W. Gibson, Isaac G. Perry and James Gamble Rogers.
context_section_description: First Baptist Church of Ossining, 1 Church Street. Brooklyn architect J. Walsh designed this High Victorian Gothic structure, built on the site where the church had stood since 1815. The 1874 church features many triangles and quatrefoils in its decoration, representing the Trinity and four Gospels respectively. It is home to Ossining's oldest congregation, established in the 1780s by founding settler Elijah Hunter. Almost a century later, in 1973, it became Ossining's first property listed on the National Register.
  Highland Cottage, 36 S. Highland Ave. This 1872 Gothic structure was the first concrete house in the county. Later it was used as a business school.
  Old Croton Aqueduct, space between 165 and 173 Main Street. The 5-by-7-foot (1.5 by 2.1 m) masonry tunnel 20 feet (6.1 m) below ground is topped with a walkway (not considered a contributing structure itself since it is too new), paved with brick within the downtown area, that leads north to Croton Dam. An engineering accomplishment when it was built in the late 1830s, it was New York City's first clean municipal water supply and the first in its extensive network of reservoirs and aqueducts upstate. Other city aqueducts have since replaced it, but its northern end has been reopened to supply Ossining and other communities at its north end. It was listed on the Register in 1974 and upgraded to National Historic Landmark status in 1992.
caption: House at 23 South Highland Avenue
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