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1940s Maps of Rialto, California

Explore 5 historic maps of Rialto 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 Rialto'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 Rialto's history through authentic maps from the 1940s. This is your window into the past.

Rialto, CA maps

(5)
  1. 1941 Map of Devore
    1941 Map of Devore
    1941 Devore
    1941 Print · USGS
    The Cajon Pass area in the early 1940s reveals a landscape defined by critical rail lines and alluvial washes. Researchers can trace the development of infrastructure around Devore through landmarks like the Cajon Sch, Fontana Airport, and the Glenn Helen Infirmary.
    2 unique versions available
  4. 1941 Map of Arrowhead
    1941 Map of Arrowhead
    1941 Arrowhead
    1941 Print · USGS
    San Bernardino expanded toward the mountain front during the late thirties and early forties. Trace the complex rail networks of the Union Pacific and Pacific Electric through old neighborhoods like Ono, Muscoy, and Del Rosa.
    2 unique versions available
  7. 1942 Map of San Bernardino
    1942 Map of San Bernardino
    1942 San Bernardino
    1942 Print · USGS
    The San Bernardino Valley flourished as a railroad and citrus hub during the early years of the war. Researchers can trace the extensive tracks of the Atchison Topeka and Santa Fe, the National Orange Show grounds, and local landmarks like the Loma Linda Sanatorium.
  10. 1943 Map of Fontana
    1943 Map of Fontana
    1943 Fontana
    1943 Print · USGS
    The Inland Empire is shown here in the early 1940s, revealing a landscape defined by industrial expansion and extensive rail corridors. Trace the growth of Fontana and Rialto through early landmarks like the South Fontana Sta, Glen Avon Ch, and the numerous Quarries of the Jurupa Mountains.
    3 unique versions available
  13. 1943 Map of Colton
    1943 Map of Colton
    1943 Colton
    1943 Print · USGS
    The Inland Empire’s rail and citrus heritage is on full display during the early 1940s as industry expands around the San Bernardino line. Trace the historic convergence of the Southern Pacific and Union Pacific near Slover Mtn and the National Orange Show grounds.
    2 unique versions available
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Frequently asked questions

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