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1940s Maps of Castro Valley, California

Explore 10 historic maps of Castro Valley from the 1940s. These maps offer a rare glimpse into what life looked like during the 1940s — 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 Castro Valley's landscape evolved across the 1940s, 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 1940s, 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 Castro Valley's history through authentic maps from the 1940s. This is your window into the past.

Castro Valley, CA maps

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  1. 1942 Map of Concord
    1942 Map of Concord
    1942 Concord
    1942 Print · USGS
    The East Bay interior was a landscape of expanding valley towns and deep-rooted ranching tracts in the early 1940s. Genealogists and historians can trace rail-era settlements like Concord, Lafayette, and Walnut Creek alongside local landmarks like St Marys College and Sherman Field.
  4. 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.
  7. 1943 Map of Concord
    1943 Map of Concord
    1943 Concord
    1943 Print · USGS
    The East Bay and Contra Costa interior appear here during the wartime era, showing the transition from urban waterfronts to rural valley communities. Researchers can trace early rail lines like the Sacramento Northern RR and locate local landmarks such as St Marys College and Acalanes Sch.
  10. 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.
  13. 1947 Map of San Leandro, 1956 Print
    1947 Map of San Leandro, 1956 Print
    1947 San Leandro
    1956 Print · USGS
    The East Bay shoreline in the late 1940s shows a fascinating mix of industrial salt production and rapid suburban development. Researchers can trace early aviation at the Oakland Municipal Airport or locate community anchors like San Lorenzo Village and the Oakland Speedway.
  16. 1947 Map of Las Trampas Ridge, 1956 Print
    1947 Map of Las Trampas Ridge, 1956 Print
    1947 Las Trampas Ridge
    1956 Print · USGS
    Contra Costa County at the start of the postwar era shows a landscape of cattle ranches and early valley settlements. Trace the original footprints of Alamo and Danville alongside the Southern Pacific tracks and the St Marys College campus.
  19. 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.
  22. 1948 Map of San Leandro
    1948 Map of San Leandro
    1948 San Leandro
    1948 Print · USGS
    Post-war East Bay growth is on full display in this late 1940s survey of the shoreline. Genealogists and historians can trace the emergence of San Lorenzo Village or locate local landmarks like the Oakland Speedway, Powder Works, and the Naval Chapel.
  25. 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.
  28. 1949 Map of Las Trampas Ridge
    1949 Map of Las Trampas Ridge
    1949 Las Trampas Ridge
    1949 Print · USGS
    Contra Costa and Alameda counties are shown here just after the war, featuring a landscape of steep ridges and developing valleys. Genealogists and researchers can trace the Southern Pacific line through Alamo, locate the Edenvale School, and study the early footprint of St Marys College.
End of results
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Frequently asked questions

  • What are the different types of historical maps available for Castro Valley?
  • What is the oldest map of Castro Valley?
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  • Are there historical topographic maps available for Castro Valley?
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  • Where are historical maps of Castro Valley sourced from?