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1900s (20th Century) Maps of Greenwich, Connecticut

Explore 30 historic maps of Greenwich 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 Greenwich'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 Greenwich's history through authentic maps from the 1900s. This is your window into the past.

Greenwich, CT maps

(30)
  1. 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
  4. 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.
  7. 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.
  10. 1947 Map of Pound Ridge
    1947 Map of Pound Ridge
    1947 Pound Ridge
    1947 Print · USGS
    The Westchester and Fairfield county line was a landscape of estates and massive reservoirs in the late 1940s. Genealogists and historians can trace the foundations of Scott Corners, the historic Sunset Home (County Poor Farm), and the grounds of the Childs Estate.
  13. 1947 Map of Hartford, 1955 Print
    1947 Map of Hartford, 1955 Print
    1947 Hartford
    1955 Print · USGS
    Southern New England and the Hudson Valley are shown in detail during the post-war expansion era. Genealogists and researchers can trace local landmarks from the State Capitol and Yale University to the Stratford Lighthouse and Woodlawn Cem.
    2 unique versions available
  16. 1948 Map of Hartford
    1948 Map of Hartford
    1948 Hartford
    1948 Print · USGS
    Southern New England is captured here in the late 1940s, showcasing a landscape of thriving industrial cities and developing parkways. Genealogists and historians can trace the rail networks of the New York New Haven and Hartford RR or locate coastal defense sites like Fort Terry and Camp Shanks.
    2 unique versions available
  19. 1949 Map of New York, 1951 Print
    1949 Map of New York, 1951 Print
    1949 New York
    1951 Print · USGS
    Long Island and its surrounding waters are documented here in the late 1940s, just as the postwar suburban boom began to transform the region. Genealogists and historians can trace the early layouts of Idlewild Airport, Mitchell Field, and the established routes of the Long Island RR.
  22. 1951 Map of Glenville, 1952 Print
    1951 Map of Glenville, 1952 Print
    1951 Glenville
    1952 Print · USGS
    The Connecticut and New York border comes alive in the early fifties, showing the interplay of country estates and new infrastructure. Trace family landmarks and local institutions like St Lukes Hospital, Brown Cem, and the County Airport.
    3 unique versions available
  25. 1951 Map of Pound Ridge, 1953 Print
    1951 Map of Pound Ridge, 1953 Print
    1951 Pound Ridge
    1953 Print · USGS
    The New York and Connecticut borderlands appear here in the early fifties, showing the rural character of Westchester and Fairfield counties before significant suburbanization. Trace local heritage through family landmarks like Becks Hill and numerous burial sites such as Pound Ridge Cem and Waterbury Cem.
    3 unique versions available
  28. 1954 Map of New York
    1954 Map of New York
    1954 New York
    1954 Print · USGS
    Long Island and the New York metropolitan area are shown during the height of post-war suburbanization. Genealogists and historians can trace the growth of Levittown, the infrastructure of the Long Island Rail Road, and landmarks like Mitchel Afb.
    2 unique versions available
  31. 1954 Map of Bayville, 1956 Print
    1954 Map of Bayville, 1956 Print
    1954 Bayville
    1956 Print · USGS
    The Gold Coast of Long Island is captured here in the mid-fifties, showing the transition from grand estates to post-war residential growth. Genealogists and historians can trace family plots at Pratt Cem or locate local landmarks like Mill Neck Manor and the Monastery.
    2 unique versions available
  34. 1955 Map of Mount Kisco, 1956 Print
    1955 Map of Mount Kisco, 1956 Print
    1955 Mount Kisco
    1956 Print · USGS
    Upper Westchester County is seen here during the mid-fifties, showing the sophisticated estate-and-commuter landscape of New York and Connecticut. Trace family history at Oakwood Cem, the Old Quaker Burial Ground, or local landmarks like Westfield State Farm.
    5 unique versions available
  37. 1955 Map of Mamaroneck, 1958 Print
    1955 Map of Mamaroneck, 1958 Print
    1955 Mamaroneck
    1958 Print · USGS
    The Westchester shoreline and Long Island Sound are captured here during a decade of suburban expansion and parkway development. Genealogists and historians can locate family landmarks from Greenwood Union Cemetery to the Webb Institute or the Execution Rocks Lighthouse.
    2 unique versions available
  40. 1957 Map of New York, 1975 Print
    1957 Map of New York, 1975 Print
    1957 New York
    1975 Print · USGS
    Long Island and the New York metropolitan area are shown in this mid-century survey during a period of massive suburban growth and industrial expansion. Researchers can trace the Long Island RR network and locate landmarks like Fort Tilden or the Brookhaven National Laboratory.
  43. 1958 Map of New York
    1958 Map of New York
    1958 New York
    1958 Print · USGS
    Long Island at the height of its postwar expansion reveals a landscape of rapidly growing suburbs and critical military installations. Genealogists and historians can trace the early footprints of Levittown, the terminals of Idlewild Airport, and the grounds of Brookhaven National Laboratory.
    3 unique versions available
  46. 1960 Map of Pound Ridge, 1961 Print
    1960 Map of Pound Ridge, 1961 Print
    1960 Pound Ridge
    1961 Print · USGS
    The borderlands of New York and Connecticut are captured here during the post-war growth of the early sixties. Researchers can find numerous small family cemeteries like Williams Cem and Waterbury Cem or trace the early paths of the Merritt Pkwy and Mianus River Gorge.
    4 unique versions available
  49. 1960 Map of Glenville, 1962 Print
    1960 Map of Glenville, 1962 Print
    1960 Glenville
    1962 Print · USGS
    The Connecticut and New York borderlands are seen here in the early sixties, as suburban growth transformed the wooded landscape between the reservoir and the sound. Genealogists and local historians can trace legacy institutions like Manhattanville College, the Harkness Home, and the Blind Brook Polo Club.
    4 unique versions available
  52. 1960 Map of Stamford, 1964 Print
    1960 Map of Stamford, 1964 Print
    1960 Stamford
    1964 Print · USGS
    Coastal Fairfield County thrives in the early sixties, as suburban growth spreads north from the rail lines toward the Merritt Parkway. Genealogists and local historians can trace the foundations of STAMFORD and Greenwich, locating the Old Burying Ground, Rippowam High Sch, and the waterfront at Shippan Point.
    2 unique versions available
  55. 1960 Map of New York, 1979 Print
    1960 Map of New York, 1979 Print
    1960 New York
    1979 Print · USGS
    Long Island and the five boroughs are shown at a transformative moment mid-century as suburban expansion reshaped the landscape. Researchers can trace family roots through evolving neighborhoods from Rockville Centre to Sayville, or locate historic maritime landmarks like Eatons Neck and Montauk Point.
    2 unique versions available
  58. 1961 Map of Hartford
    1961 Map of Hartford
    1961 Hartford
    1961 Print · USGS
    Southern New England and the Hudson Valley are shown here in the mid-fifties, capturing a landscape of booming coastal cities and interior hill towns. Researchers can trace the legacy of the New York New Haven and Hartford rail corridor and find strategic sites like Camp Shanks and Fort Michie.
  61. 1962 Map of Hartford, 1971 Print
    1962 Map of Hartford, 1971 Print
    1962 Hartford
    1971 Print · USGS
    Southern New England and the Hudson Valley are shown in the early sixties, as suburban growth reached into the foothills. Trace the path of the New York New Haven & Hartford RR and find landmarks like Camp Nathan Hale and Gillette Castle State Park.
    3 unique versions available
  64. 1965 Map of Hartford
    1965 Map of Hartford
    1965 Hartford
    1965 Print · USGS
    Southern New England and the Hudson Valley are shown here during the mid-sixties expansion of the Interstate era. Trace the path of the New York New Haven & Hartford RR or locate historic landmarks like West Point Military Reservation and the Merritt Parkway.
    2 unique versions available
  67. 1967 Map of Bayville, 1968 Print
    1967 Map of Bayville, 1968 Print
    1967 Bayville
    1968 Print · USGS
    The North Shore of Long Island is captured here in the late sixties, showcasing the prestigious harbor-side communities of Bayville and Locust Valley. Genealogists and historians can locate the Sagamore Hill Nat Historical Site, St Johns Ch, and the Smith Cem.
    3 unique versions available
  70. 1967 Map of Mamaroneck, 1969 Print
    1967 Map of Mamaroneck, 1969 Print
    1967 Mamaroneck
    1969 Print · USGS
    Coastal Westchester County and northern Long Island meet across the sound in the late sixties. Genealogists and local historians can trace the estates and institutions of the era, from Haviland Cem to the Van Amringe Millpond and Dosoris Island.
    2 unique versions available
  73. 1969 Map of New York
    1969 Map of New York
    1969 New York
    1969 Print · USGS
    Long Island and the New York harbor area are shown here during a peak era of suburban expansion and Cold War defense. Trace the growth of Levittown, the infrastructure of Idlewild NY International Airport, and the reach of the Long Island RR.
Showing maps 1-25 of 30

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Frequently asked questions

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