1940s Maps of San Marcos, California

Explore 9 historic maps of San Marcos 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 San Marcos'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 San Marcos's history through authentic maps from the 1940s. This is your window into the past.


San Marcos, CA maps

(9)
  1. 1942 Map of Escondido
    1942 Map of Escondido
    1942 Escondido
    1942 Print · USGS
    Covers San Marcos, including San Diego, Oceanside, and other nearby areas

  2. 1947 Map of Santa Ana, 1949 Print
    1947 Map of Santa Ana, 1949 Print
    1947 Santa Ana
    1949 Print · USGS
    Covers San Marcos, including San Diego, Anaheim, and other nearby areas

  3. 1948 Map of Rancho Santa Fe, 1955 Print
    1948 Map of Rancho Santa Fe, 1955 Print
    1948 Rancho Santa Fe
    1955 Print · USGS
    Covers San Marcos, including San Diego, Escondido, and other nearby areas
    3 unique versions available

  4. 1948 Map of Valley Center, 1955 Print
    1948 Map of Valley Center, 1955 Print
    1948 Valley Center
    1955 Print · USGS
    Covers San Marcos, including Escondido, Valley Center, and other nearby areas
    2 unique versions available

  5. 1948 Map of San Marcos, 1955 Print
    1948 Map of San Marcos, 1955 Print
    1948 San Marcos
    1955 Print · USGS
    Covers San Marcos, including Oceanside, Escondido, and other nearby areas
    2 unique versions available

  6. 1949 Map of Valley Center
    1949 Map of Valley Center
    1949 Valley Center
    1949 Print · USGS
    Covers San Marcos, including Escondido, Valley Center, and other nearby areas
    2 unique versions available

  7. 1949 Map of Rancho Santa Fe
    1949 Map of Rancho Santa Fe
    1949 Rancho Santa Fe
    1949 Print · USGS
    Covers San Marcos, including San Diego, Escondido, and other nearby areas
    2 unique versions available

  8. 1949 Map of San Marcos
    1949 Map of San Marcos
    1949 San Marcos
    1949 Print · USGS
    Covers San Marcos, including Oceanside, Escondido, and other nearby areas

  9. 1949 Map of Santa Ana
    1949 Map of Santa Ana
    1949 Santa Ana
    1949 Print · USGS
    Covers San Marcos, including San Diego, Anaheim, and other nearby areas

End of results
Showing maps 1-9 of 9

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Frequently asked questions

  • What are the different types of historical maps available for San Marcos?
  • What is the oldest map of San Marcos?
  • Where can I purchase historical maps of San Marcos for my home or office?
  • Where can I download high-res historical maps of San Marcos?
  • Are there historical topographic maps available for San Marcos?
  • Is there historical aerial imagery available for San Marcos?
  • Where are historical maps of San Marcos sourced from?