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Old Maps of Union City, California for Genealogy

Trace your family roots with 42 historic maps of Union City. These high-res maps reveal old neighborhoods, homesites, landmarks, and streets — helping you uncover where your ancestors lived and how the area evolved over time.

  • Explore historic neighborhoods: Identify where your relatives may have lived in the 1800s or 1900s.
  • Compare maps over time: Trace the changes in streets, buildings, and landmarks for multi-generational research.
  • Perfect for genealogy & ancestry research: Used by family historians and researchers to map out lineage and migration.

These maps are an incredible resource for exploring your personal connection to Union City's past.

Union City, CA maps

(42)
  1. 1899 Map of Haywards
    1899 Map of Haywards
    1899 Haywards
    1899 Print · USGS
    The East Bay shoreline at the end of the century was a landscape of industrial salt works and vital maritime landings. Genealogists and historians can trace the early rail stops at Haywards Sta. or locate family trade hubs at Mulford Landing and Jarvis Landing.
    5 unique versions available
  4. 1906 Map of Pleasanton
    1906 Map of Pleasanton
    1906 Pleasanton
    1906 Print · USGS
    The Livermore and Amador Valleys are captured here at the turn of the century as they transitioned from ranch lands to thriving rail hubs. Genealogists and historians can trace family locations near Mission San Jose, the old Dougherty Post Office, and the junction at Niles.
    5 unique versions available
  7. 1915 Map of Haywards
    1915 Map of Haywards
    1915 Haywards
    1915 Print · USGS
    The East Bay shoreline and inland foothills are shown here in the mid-1910s during a height of coastal industry. Genealogists and historians can trace old shipping points like Mulford Landing, early salt operations at Union City Salt Works, and the rail lines of the Western Pacific.
    4 unique versions available
  10. 1941 Map of Pleasanton
    1941 Map of Pleasanton
    1941 Pleasanton
    1941 Print · USGS
    The Livermore Valley and East Bay hills are captured here in the early 1940s, showing a world of cattle ranchos and railroad towns. You can trace early landmarks like the Mission San Jose de Guadalupe, the Livermore Airport, and several rural one-room schoolhouses like Antone Sch.
  13. 1942 Map of Hayward
    1942 Map of Hayward
    1942 Hayward
    1942 Print · USGS
    The East Bay shoreline and inland foothills come alive in the early 1940s as industry and infrastructure reshape the landscape. Researchers can trace the original footprints of Russell City and Mt Eden or locate the historic Oakland Speedway and Fairmont Hospital.
  16. 1943 Map of Pleasanton
    1943 Map of Pleasanton
    1943 Pleasanton
    1943 Print · USGS
    The Livermore and Amador Valleys are captured during the early 1940s, showing a landscape of ranching, railroads, and early institutional development. Genealogists and historians can locate old schools like Stonybrook Sch and landmarks such as Mission San Jose de Guadalupe.
  19. 1947 Map of San Francisco, 1948 Print
    1947 Map of San Francisco, 1948 Print
    1947 San Francisco
    1948 Print · USGS
    The Bay Area in the late 1940s reveals a region transitioning from wartime intensity to post-war suburban growth. Trace the historic rail lines of the Southern Pacific RR or locate early military footprints at Fort Funston and Moffett Field.
  22. 1947 Map of San Jose, 1948 Print
    1947 Map of San Jose, 1948 Print
    1947 San Jose
    1948 Print · USGS
    Northern California's heartland is captured here just after the war, showing the rapid growth of the Santa Clara and Central Valleys. Researchers can trace the legacy of rail and water at Castle Air Force Base, Stockton, and the Hetch Hetchy Aqueduct.
  25. 1947 Map of Hayward, 1957 Print
    1947 Map of Hayward, 1957 Print
    1947 Hayward
    1957 Print · USGS
    The East Bay's post-war suburban transformation is evident in this mid-century view of the Hayward area. Genealogists and local historians can trace legacy sites like the Mt Eden Sta, the Oakland Speedway, and the Holy Sepulchre Cemetery.
  28. 1947 Map of Newark, 1958 Print
    1947 Map of Newark, 1958 Print
    1947 Newark
    1958 Print · USGS
    The industrial shoreline and agricultural plains of the East Bay are captured here just after the war. Local historians can trace early landings like Jarvis Landing and family landmarks such as Patterson Ranch and the Masonic Home.
  31. 1948 Map of Newark
    1948 Map of Newark
    1948 Newark
    1948 Print · USGS
    Coastal Alameda County is captured here in the late 1940s, showing a landscape defined by salt refineries and historic ranching tracts. Researchers can trace the industrial roots of Alvarado and Newark or locate family-history sites like the Masonic Home and Cypress Cem.
  34. 1948 Map of San Francisco, 1951 Print
    1948 Map of San Francisco, 1951 Print
    1948 San Francisco
    1951 Print · USGS
    The Bay Area in the late 1940s reveals a landscape defined by rapid post-war growth and a heavy military presence at the Golden Gate. Trace the development of early trans-bay infrastructure like the Oakland-Bay Bridge and historic coastal defense sites such as Fort Funston and Alcatraz Island.
  37. 1950 Map of Hayward
    1950 Map of Hayward
    1950 Hayward
    1950 Print · USGS
    Hayward and the East Bay hills are captured during the postwar building boom. Genealogists and local historians can trace old family sites and institutions like the Holy Sepulchre Cemetery, Mt Eden, and the historic Oakland Speedway.
  40. 1953 Map of Dublin, 1955 Print
    1953 Map of Dublin, 1955 Print
    1953 Dublin
    1955 Print · USGS
    The Amador and San Ramon Valleys are captured here during the post-war era, as military installations and suburban pockets began to transform the ranchlands. Local historians can trace the foundations of Parks Air Force Base, the Old Hearst Ranch, and the early layout of Pleasanton.
    2 unique versions available
  43. 1953 Map of Niles, 1955 Print
    1953 Map of Niles, 1955 Print
    1953 Niles
    1955 Print · USGS
    Coastal foothills and rail towns define this East Bay landscape in the early fifties, before the surge of suburban development. Researchers can trace the layout of Mission San Jose, locate the Centerville Airport, and find early landmarks like the Water Temple or Ohlones Cemetery.
  46. 1953 Map of Livermore, 1960 Print
    1953 Map of Livermore, 1960 Print
    1953 Livermore
    1960 Print · USGS
    The East Bay valleys are shown during a period of significant growth and military activity in the early fifties. Researchers can trace historic family locations at Mission San Jose and local landmarks like the Water Temple or the Old Hearst Ranch.
  49. 1955 Map of San Francisco
    1955 Map of San Francisco
    1955 San Francisco
    1955 Print · USGS
    The San Francisco Bay Area and central coast are captured during the postwar boom as suburbs and infrastructure expanded rapidly. Trace the development of local communities and military installations like the Presidio and Fort Mason, or follow the Southern Pacific rail lines.
  52. 1956 Map of San Jose
    1956 Map of San Jose
    1956 San Jose
    1956 Print · USGS
    Central California in the mid-fifties reveals the transition from sprawling orchards to growing urban hubs like San Jose and Stockton. Genealogists and historians can trace the rail-era landscape of the Mother Lode through Chinese Camp and Tuttletown, or follow the water through the Joaquin River and Calaveras Reservoir.
  55. 1956 Map of San Francisco
    1956 Map of San Francisco
    1956 San Francisco
    1956 Print · USGS
    The San Francisco Bay Area is captured in the mid-fifties, showing a landscape of rapid post-war growth and massive military installations. Researchers can trace the sprawling rail lines of the Southern Pacific and locate historic sites like Stanford University or the Hunters Point Naval Shipyard.
    4 unique versions available
  58. 1957 Map of San Francisco
    1957 Map of San Francisco
    1957 San Francisco
    1957 Print · USGS
    The Bay Area in the mid-fifties reveals a rapidly growing metropolitan landscape connected by its iconic spans and rail networks. Researchers can trace the layout of military sites like the Presidio and the extent of the Southern Pacific and Western Pacific railroads.
  61. 1959 Map of Hayward, 1960 Print
    1959 Map of Hayward, 1960 Print
    1959 Hayward
    1960 Print · USGS
    The East Bay's postwar suburban transformation is in full swing on this late-fifties survey of the Hayward area. Researchers can trace the growing street grids around Mt Eden Sta, locate numerous local schools, and see landmarks like the Hayward Municipal Airport.
    6 unique versions available
  64. 1959 Map of Newark, 1960 Print
    1959 Map of Newark, 1960 Print
    1959 Newark
    1960 Print · USGS
    The East Bay shoreline in the late fifties shows a landscape of industrial salt production and rapid suburban growth. Genealogists and historians can trace family locations near Newark and Fremont, or locate landmarks like the Masonic Home and Mowry Landing.
    6 unique versions available
  67. 1959 Map of Hayward, 1961 Print
    1959 Map of Hayward, 1961 Print
    1959 Hayward
    1961 Print · USGS
    The East Bay shoreline in the late fifties reveals a period of massive suburban and industrial growth along the new Nimitz Freeway. Genealogists and historians can trace old neighborhoods and sites like Russell City, Mt Eden Cem, and the Oakland Naval Air Sta.
    2 unique versions available
  70. 1960 Map of San Francisco
    1960 Map of San Francisco
    1960 San Francisco
    1960 Print · USGS
    The San Francisco Bay Area at the start of the sixties reveals a landscape of rapid expansion and critical infrastructure. Researchers can trace the development of East Bay communities like Russell City and Mt Eden or locate early rural landmarks like Alpine School.
  73. 1961 Map of Dublin
    1961 Map of Dublin
    1961 Dublin
    1961 Print · USGS
    The San Ramon Valley and surrounding ridges appear here in the early sixties, a time when massive military installations and ranching still defined the landscape. You can trace the footprint of Camp Parks and find local landmarks like Murray Sch and the community of Komandorski Village.
    10 unique versions available
Showing maps 1-25 of 42

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