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1900s (20th Century) Maps of Westchester County, New York

Explore 83 historic maps of Westchester County from the 1900s (20th Century). These maps offer a rare glimpse into what life looked like during the 1900s — showing old roads, neighborhoods, homes, and landmarks that have changed or disappeared over time.

Whether you're researching your family's past, planning a metal detecting trip, or studying how Westchester County's landscape evolved across the 1900s, these high-resolution maps are a powerful tool for exploring the history of this region.

  • Focus on a specific era: All maps on this page are from the 1900s, giving you a focused view of this time period.
  • See what’s changed: Compare century-old streets, trails, and buildings to today's modern landscape using overlays and satellite layers.
  • Research with precision: Use these maps for genealogy, historical research, land use analysis, or educational projects.
  • View, download, or print: Maps are fully viewable online in high resolution, and can be downloaded or printed for your own records.

Start exploring Westchester County's history through authentic maps from the 1900s. This is your window into the past.

Westchester County, NY maps

(83)
  1. 1900 Map of Harlem
    1900 Map of Harlem
    1900 Harlem
    1900 Print · USGS
    Upper Manhattan and the surrounding boroughs are shown at a pivotal moment of growth before the mid-century building boom. Genealogists can trace family footprints through the streets of Yonkers Park or locate ancestors in the sprawling Woodlawn Cemetery.
    16 unique versions available
  4. 1900 Map of Oyster Bay
    1900 Map of Oyster Bay
    1900 Oyster Bay
    1900 Print · USGS
    The North Shore of Long Island is captured at the turn of the century as its maritime villages and sprawling estates began to transition into refined commuter suburbs. Genealogists can trace property and neighborhood development in Sea Cliff, Glen Cove, and Oyster Bay before the automobile era.
    15 unique versions available
  7. 1901 Map of West Point
    1901 Map of West Point
    1901 West Point
    1901 Print · USGS
    The Hudson Highlands and West Point are shown at the turn of the century, when river railroads and mountain mines defined the local economy. Genealogists can trace family landmarks and hamlets like Nelsonville, Mahopac Mines, and Yorktown Heights.
    12 unique versions available
  10. 1902 Map of Tarrytown
    1902 Map of Tarrytown
    1902 Tarrytown
    1902 Print · USGS
    The Hudson River valley at the turn of the century shows a landscape of busy river landings and nascent suburbs. Genealogists and historians can trace old homesteads and landmarks like Waldberg Landing, the State Prison at Ossining, and the Croton Aqueduct.
    11 unique versions available
  13. 1928 Map of Carmel
    1928 Map of Carmel
    1928 Carmel
    1928 Print · USGS
    Near the New York and Connecticut border during the late 1920s, this landscape shows a network of massive reservoirs built to serve the city. Genealogists and historians can trace rail-era developments like the New York and Harlem RR and locate sites such as the Tilly Foster Mine and Farmers Mills.
    5 unique versions available
  16. 1932 Map of White Plains
    1932 Map of White Plains
    1932 White Plains
    1932 Print · USGS
    Westchester County's evolving landscape is captured here in the early thirties, showing the dense growth of the county seat alongside massive institutional estates. Genealogists and historians can locate families in White Plains or trace the early grounds of Marymount College and Sleepy Hollow Cemetery.
  19. 1936 Map of West Point
    1936 Map of West Point
    1936 West Point
    1936 Print · USGS
    The Hudson Highlands in the mid-1930s reveal a landscape of strategic military grounds and evolving state parks. Genealogists and historians can trace old family burial grounds like Halstead Cem, the workings of the Mahopac Mines, and the early layout of West Point.
    2 unique versions available
  22. 1936 Map of Ossining
    1936 Map of Ossining
    1936 Ossining
    1936 Print · USGS
    Westchester County in the mid-thirties exhibits a landscape of growing suburban centers and massive public works. Genealogists and historians can trace the foundations of Briarcliff Manor and Pleasantville, alongside landmarks like Sing Sing State Prison and the Croton Dam.
  25. 1937 Map of Nyack
    1937 Map of Nyack
    1937 Nyack
    1937 Print · USGS
    Rockland County’s riverfront and wooded interior are shown here in the late 1930s as the rail-and-river economy remained in full swing. Genealogists and historians can trace family locations near the Rockland State Hospital, Piermont, and the St Catharines Cem.
  28. 1937 Map of Tarrytown
    1937 Map of Tarrytown
    1937 Tarrytown
    1937 Print · USGS
    The Hudson River valley during the 1930s serves as a busy corridor of rail, water, and infrastructure. Genealogists and local historians can trace the old landings at Waldberg Landing, the grounds of the State Prison in Ossining, and the rail lines through Nyack.
  31. 1938 Map of Haverstraw
    1938 Map of Haverstraw
    1938 Haverstraw
    1938 Print · USGS
    The lower Hudson River corridor comes alive in this late 1930s survey of the bustling industrial and commuter towns along the riverbanks. Researchers can trace the path of the West Shore RR, find family roots at St Peters Cem, or locate the New York Reconstruction Home.
  34. 1938 Map of White Plains
    1938 Map of White Plains
    1938 White Plains
    1938 Print · USGS
    Westchester County in the late 1930s is a landscape of grand estates, institutional campuses, and thriving commuter rail towns. Researchers can trace family history through the Gate of Heaven Cemetery, locate historic sites like Kykuit, or study the grounds of Marymount College and the Bloomingdale Asylum.
    3 unique versions available
  37. 1940 Map of Nyack, 1952 Print
    1940 Map of Nyack, 1952 Print
    1940 Nyack
    1952 Print · USGS
    The Hudson River shoreline and Rockland County interior are captured here just before mid-century suburban expansion. Researchers can trace the extensive grounds of the Rockland State Hospital, the paths of the West Shore RR, and historic sites like Sneden Landing.
  40. 1941 Map of West Point
    1941 Map of West Point
    1941 West Point
    1941 Print · USGS
    The Hudson Highlands were undergoing significant change in the years leading up to the war, blending heavy industry with expanding military installations. Genealogists can trace family lines through Continental Village, Hillside Cem, and the various schools like Manitou Sch.
    3 unique versions available
  43. 1942 Map of Nyack
    1942 Map of Nyack
    1942 Nyack
    1942 Print · USGS
    The Hudson River riverfront and the high ridges of the Palisades define this area in the early years of the war. Researchers can trace the legacy of rail and river travel through the Tarrytown Ferry and the Erie RR, or locate family sites near Sneden Landing and Rockland State Hospital.
  46. 1943 Map of Haverstraw
    1943 Map of Haverstraw
    1943 Haverstraw
    1943 Print · USGS
    The Hudson River's wide reach at the Tappan Zee is documented here during the early years of the war. Researchers can trace local heritage through the Rockland Lighthouse, family-named landings like Snedeker Landing, and early aviation at Christie Airport.
    2 unique versions available
  49. 1943 Map of Nyack
    1943 Map of Nyack
    1943 Nyack
    1943 Print · USGS
    Southeastern Rockland County and the Bergen County border are shown in the early 1940s as riverfront villages and rail-dependent towns. Trace the sprawling grounds of the Rockland State Hospital or locate ancestors in Oak Hill Cemetery and Rockland Cemetery.
    2 unique versions available
  52. 1943 Map of Ossining
    1943 Map of Ossining
    1943 Ossining
    1943 Print · USGS
    Mid-century Westchester County comes into focus as the riverfront villages expand into the surrounding hills. Genealogists and historians can trace the grounds of Sing Sing Prison, the Maryknoll Seminary, and the storied Sleepy Hollow Country Club.
    4 unique versions available
  55. 1943 Map of Norwalk North, 1947 Print
    1943 Map of Norwalk North, 1947 Print
    1943 Norwalk North
    1947 Print · USGS
    Fairfield County towns like Wilton and Weston are captured here during the mid-1940s as infrastructure began to modernize the valley. Researchers can trace the early path of the Merritt Parkway, find the Low-Heywood School, and locate the former Norwalk Airport.
    2 unique versions available
  58. 1944 Map of Croton Falls
    1944 Map of Croton Falls
    1944 Croton Falls
    1944 Print · USGS
    Upper Westchester and Putnam counties are seen here during the mid-forties, characterized by a vast network of reservoirs and the New York Central rail line. Researchers can locate family landmarks like the Wandell Cem, trace the early grounds of the Reformatory, and find community centers like Somers and Purdy.
    2 unique versions available
  61. 1944 Map of Glenville, 1947 Print
    1944 Map of Glenville, 1947 Print
    1944 Glenville
    1947 Print · USGS
    Fairfield and Westchester counties meet in the 1940s as the regional parkway system begins to reshape the countryside. Genealogists and local historians can trace the foundations of Glenville, the Chieftains Estate, and the grounds of Rosemary Hall.
  64. 1945 Map of Peach Lake
    1945 Map of Peach Lake
    1945 Peach Lake
    1945 Print · USGS
    The hills of Westchester and Fairfield counties appear in the mid-1940s, revealing a landscape defined by glacial lakes and old turnpike crossings. Genealogists can trace family lines through June Cem, the Peach Lake Meeting House, and landmarks in South Salem.
    3 unique versions available
  67. 1946 Map of Peach Lake
    1946 Map of Peach Lake
    1946 Peach Lake
    1946 Print · USGS
    The New York and Connecticut border country comes alive in the mid-1940s, showing a landscape of lakeside hamlets and rising reservoirs. Genealogists and historians can trace local roots through landmarks like the Peach Lake Meeting House, Lewisboro Sch, and Drews Cliff Cem.
    2 unique versions available
  70. 1947 Map of Mamaroneck
    1947 Map of Mamaroneck
    1947 Mamaroneck
    1947 Print · USGS
    Coastal Westchester and Nassau Counties are shown here just after the war as the region's grand estates and suburban centers flourished. Genealogists and historians can locate private landmarks like the J P Morgan property, Pratts Estate, and St Thomas Ch.
  73. 1947 Map of West Point
    1947 Map of West Point
    1947 West Point
    1947 Print · USGS
    The Hudson Highlands and the Peekskill waterfront are captured just before the post-war boom, showing the critical junction of river, rail, and early parkways. Genealogists can trace family landmarks and burial sites like Cold Spring Cem, Amawalk Cem, and the historic Mahopac Mines.
Showing maps 1-25 of 83

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