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1940s Maps of Rancho Santa Margarita, California

Explore 8 historic maps of Rancho Santa Margarita 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 Rancho Santa Margarita'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 Rancho Santa Margarita's history through authentic maps from the 1940s. This is your window into the past.

Rancho Santa Margarita, CA maps

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  1. 1942 Map of Santiago Peak, 1943 Print
    1942 Map of Santiago Peak, 1943 Print
    1942 Santiago Peak
    1943 Print · USGS
    Orange County and the inland canyons appear here in the early 1940s, showing a landscape of small settlements and rugged mountain reaches. Genealogists and local historians can trace early holdings near San Juan Capistrano, the station at El Toro, and mountain landmarks like Modjeska.
    3 unique versions available
  4. 1947 Map of Santa Ana, 1949 Print
    1947 Map of Santa Ana, 1949 Print
    1947 Santa Ana
    1949 Print · USGS
    Southern California is depicted here in the late forties, showing the expansion of the Inland Empire and the Orange County coast. Researchers can trace the early layout of Palm Springs or locate long-standing tribal lands like the Pala Indian Reservation and Rincon Indian Res.
  7. 1948 Map of San Juan Capistrano, 1957 Print
    1948 Map of San Juan Capistrano, 1957 Print
    1948 San Juan Capistrano
    1957 Print · USGS
    Southern Orange County appears in the late 1940s as a land of expansive ranching grants and quiet valley settlements. You can trace the historic Mission at San Juan Capistrano, the winding Atchison Topeka and Santa Fe rail line, and early coastal life near South Laguna.
    3 unique versions available
  10. 1948 Map of Canada Gobernadora, 1960 Print
    1948 Map of Canada Gobernadora, 1960 Print
    1948 Canada Gobernadora
    1960 Print · USGS
    Orange County's canyon country remained largely rural in the late 1940s, split between the historic Mission Viejo and Trabuco grants. Researchers can locate the Old Mission Site, trace the original Ortega Highway, and find the San Juan Hot Springs.
    2 unique versions available
  13. 1949 Map of San Juan Capistrano
    1949 Map of San Juan Capistrano
    1949 San Juan Capistrano
    1949 Print · USGS
    Coastal Orange County in the late 1940s retains its pastoral character, centered on the historic Mission at San Juan Capistrano. Genealogists and local historians can trace the early rail-and-road corridor of the Atchison Topeka and Santa Fe and the original Ortega Highway.
  16. 1949 Map of Canada Gobernadora
    1949 Map of Canada Gobernadora
    1949 Canada Gobernadora
    1949 Print · USGS
    Southern Orange County was still a landscape of vast ranchos and canyon trails in the late 1940s. Local researchers can locate the Old Mission Site, trace the original Ortega Highway, or follow the course of Cañada Gobernadora before modern development.
    2 unique versions available
  19. 1949 Map of Santa Ana
    1949 Map of Santa Ana
    1949 Santa Ana
    1949 Print · USGS
    Southern California underwent a profound transformation in the late 1940s as military installations and citrus groves shared the landscape. Researchers can trace early coastal growth at Laguna Beach, military history at Camp Pendleton, and the rail corridors of the Pacific Electric.
  22. 1949 Map of El Toro, 1958 Print
    1949 Map of El Toro, 1958 Print
    1949 El Toro
    1958 Print · USGS
    Post-war Orange County centers on the massive El Toro Naval Air Station Reservation and the nearby rural settlement of El Toro. Genealogists and local historians can trace the early layout of the El Toro Cem, the Silverado School, and family landmarks like Serrano Place.
    2 unique versions available
End of results
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Frequently asked questions

  • What are the different types of historical maps available for Rancho Santa Margarita?
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