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1900s (20th Century) Maps of Riverside County, California

Explore 425 historic maps of Riverside County from the 1900s (20th Century). These maps offer a rare glimpse into what life looked like during the 1900s — 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 Riverside County's landscape evolved across the 1900s, 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 1900s, 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 Riverside County's history through authentic maps from the 1900s. This is your window into the past.

Riverside County, CA maps

(425)
  1. 1900 Map of Cucamonga
    1900 Map of Cucamonga
    1900 Cucamonga
    1900 Print · USGS
    San Bernardino and Los Angeles Counties are shown here during the late nineteenth-century citrus boom, before urban sprawl merged these distinct agricultural colonies. Trace early rail lines through Ioamosa, Claremont, and Chino, or locate the isolated Toll House and Power House in the northern canyons.
  4. 1901 Map of Southern California Sheet No. 1
    1901 Map of Southern California Sheet No. 1
    1901 Southern California Sheet No. 1
    1901 Print · USGS
    Greater Los Angeles at the dawn of the twentieth century is a landscape of growing citrus towns and a burgeoning rail network. Genealogists and historians can trace the early gridded streets of Hollywood and Pasadena or locate landmarks like Bear Lake and the Cahuilla Indian Reservation.
    6 unique versions available
  7. 1901 Map of San Jacinto
    1901 Map of San Jacinto
    1901 San Jacinto
    1901 Print · USGS
    Riverside County at the dawn of the twentieth century shows a landscape transitioning from tribal lands and mountain reserves to citrus and rail hubs. Genealogists can trace early homesteads and rail stops like Palm Springs Sta. and the grid of Florida or the secluded Kenworthy.
    9 unique versions available
  10. 1901 Map of San Bernardino
    1901 Map of San Bernardino
    1901 San Bernardino
    1901 Print · USGS
    The San Bernardino valley thrived as a railway and agricultural crossroads in the late nineteenth century. Genealogists and historians can trace early citrus-belt settlements like Rialto and Colton, or locate landmarks such as Arrowhead Springs and Glen Helen Ranch.
    8 unique versions available
  13. 1901 Map of Redlands
    1901 Map of Redlands
    1901 Redlands
    1901 Print · USGS
    Redlands and the San Bernardino valley are seen here at the turn of the century as agriculture and rail networks began to reshape the landscape. Genealogists and historians can trace early irrigation ditches like the Zanja or locate vanished landmarks like the Asylum and Harlem Springs.
    9 unique versions available
  16. 1901 Map of Elsinore
    1901 Map of Elsinore
    1901 Elsinore
    1901 Print · USGS
    Riverside and the Alessandro Valley are shown here during a peak of early mining and rail expansion. Genealogists and historians can trace the Southern California RR through Perris or locate the Alberhill Coal Mine and Indian School.
    8 unique versions available
  19. 1901 Map of San Luis Rey
    1901 Map of San Luis Rey
    1901 San Luis Rey
    1901 Print · USGS
    Northern San Diego County is shown at the turn of the century as a landscape of sprawling ranchos, early coastal railroads, and secluded mountain valleys. Researchers can trace the routes of the California Southern RR or locate early settlements like De Luz, Pala, and the Temecula Indian Res.
    8 unique versions available
  22. 1901 Map of Riverside
    1901 Map of Riverside
    1901 Riverside
    1901 Print · USGS
    Riverside and its surrounding rancho lands are seen here at the start of the 1900s as irrigation canals and railroads transformed the valley. Researchers can trace the early city grid and find rural landmarks like the Cajalco Tin Mine, Casa Blanca, and Arlington.
    6 unique versions available
  25. 1902 Map of San Gorgonio
    1902 Map of San Gorgonio
    1902 San Gorgonio
    1902 Print · USGS
    Southern California at the turn of the century reveals a land of high-desert ranches and remote mountain mining camps. Genealogists and historians can locate early landmarks like Box S Ranch, Old Woman Springs, and the Rose Mine.
    8 unique versions available
  28. 1902 Map of Corona
    1902 Map of Corona
    1902 Corona
    1902 Print · USGS
    The Orange County and Riverside borderlands at the start of the 1900s show an era of rapid rail expansion and water engineering. Researchers can trace the early footprints of Anaheim and Orange or find vanished industry at the Santiago Coal Mine.
    7 unique versions available
  31. 1903 Map of Ramona
    1903 Map of Ramona
    1903 Ramona
    1903 Print · USGS
    San Diego County's high country and interior valleys are captured here at the start of the twentieth century, during a time of mountain ranching and early gold mining. Researchers can trace the early footprints of Julian, Ramona, and Mesa Grande, alongside the boundaries of the San Jacinto Forest Reserve.
    6 unique versions available
  34. 1903 Map of Cucamonga
    1903 Map of Cucamonga
    1903 Cucamonga
    1903 Print · USGS
    The Inland Empire is shown at a pivotal moment of agricultural expansion in the early twentieth century, when irrigation was transforming the valley. Trace the early rail networks of the Southern Pacific and the Santa Fe through citrus-growing centers like Ontario, Cucamonga, and Ioamosa.
    11 unique versions available
  37. 1904 Map of Indio
    1904 Map of Indio
    1904 Indio
    1904 Print · USGS
    The Conchilla Desert and San Jacinto Mountains appear here at the turn of the century as the Southern Pacific rail corridor began to transform the valley. Trace early settlements and tribal lands like Cabezon Indian Res., Figtree John, and the Asbestos Mine.
    7 unique versions available
  40. 1904 Map of Southern California Sheet No. 2
    1904 Map of Southern California Sheet No. 2
    1904 Southern California Sheet No. 2
    1904 Print · USGS
    Southern California during the early 1900s shows the transition from vast ranchos to coastal rail towns. Genealogists and researchers can trace the Southern California R.R. through Oceanside, explore old land grants like Mission Viejo, and locate early settlements from Fallbrook to Julian.
    5 unique versions available
  43. 1904 Map of Southern California Sheet No. 1, 1905 Print
    1904 Map of Southern California Sheet No. 1, 1905 Print
    1904 Southern California Sheet No. 1
    1905 Print · USGS
    Southern California at the dawn of the twentieth century shows a landscape of citrus groves and coastal towns connected by rail. Genealogists and historians can trace early settlements like San Juan Capistrano, find remote sites like the Rose Mine, and study the original water systems of the Santa Ana River.
    2 unique versions available
  46. 1911 Map of Parker
    1911 Map of Parker
    1911 Parker
    1911 Print · USGS
    The Arizona-California borderlands are captured here in the early twentieth century as the river and rail networks began to transform the desert. Researchers can trace the development of the Colorado River Indian Reservation, the rail hub at Parker, and early mining sites like the Billy Mack Mine.
    3 unique versions available
  49. 1931 Map of Vallecito
    1931 Map of Vallecito
    1931 Vallecito
    1931 Print · USGS
    The Colorado Desert and its surrounding ranges are mapped here in the early thirties, showcasing a landscape defined by scarce water and massive terrain. Genealogists can trace isolated desert outposts like Fig Tree John and Agua Dulce or the original footprint of Borego Springs.
  52. 1931 Map of Moon Mtn, 1955 Print
    1931 Map of Moon Mtn, 1955 Print
    1931 Moon Mtn
    1955 Print · USGS
    The Arizona-California borderlands are captured here in the early thirties, defined by the winding Colorado River and the stark Dome Rock Mountains. Historians and prospectors can trace mineral workings at the Valenzuella Mine and Mammoth Mine.
    2 unique versions available
  55. 1932 Map of Moon Mtn
    1932 Map of Moon Mtn
    1932 Moon Mtn
    1932 Print · USGS
    The Arizona-California borderlands are captured here in the early 1930s, showing the intersection of tribal lands and desert mining. Genealogists and historians can trace the early boundaries of the Colorado River Indian Reservation and locate industrial sites like the Valenzuela Mine.
    2 unique versions available
  58. 1933 Map of Cunningham Mtn
    1933 Map of Cunningham Mtn
    1933 Cunningham Mtn
    1933 Print · USGS
    The Arizona-California borderlands were a hub of mining and early desert transit during the early 1930s. Researchers can trace the path of the Route No. 60 Sunkist Trail and locate remote operations like the Cinnabar Mine and Beamer Well.
    4 unique versions available
  61. 1933 Map of Prado
    1933 Map of Prado
    1933 Prado
    1933 Print · USGS
    In the early 1930s, the Chino Valley was a hub of irrigation canals and rail-side settlements before later development changed the landscape. Genealogists and historians can trace old homesteads like Pellissier Ranch and schools like the California Junior Republic School.
  64. 1938 Map of Colton
    1938 Map of Colton
    1938 Colton
    1938 Print · USGS
    The rail and citrus hubs of San Bernardino County are in full bloom during the late 1930s. Researchers can trace the industrial infrastructure of Colton and Rialto, including the Cement Plant and the grounds of the National Orange Show.
  67. 1939 Map of Warner Springs, 1956 Print
    1939 Map of Warner Springs, 1956 Print
    1939 Warner Springs
    1956 Print · USGS
    In the high backcountry of San Diego and Riverside counties just before the 1940s, this area shows a landscape of cattle ranges and mountain outposts. Genealogists and researchers can trace early settlements and trails including Holcomb Village, Warner Springs, and the historic Deadman Hole spring.
  70. 1939 Map of Palomar Mountain, 1957 Print
    1939 Map of Palomar Mountain, 1957 Print
    1939 Palomar Mountain
    1957 Print · USGS
    Northern San Diego County is shown in the late 1930s as a landscape of high valleys and remote mountain outposts. Researchers can find the iconic Observatory, the historic Stage Sta, and the borders of the La Jolla Indian Reservation.
    3 unique versions available
  73. 1940 Map of Dome Rock Mts
    1940 Map of Dome Rock Mts
    1940 Dome Rock Mts
    1940 Print · USGS
    The Arizona and California borderlands along the Colorado River are captured here during the 1930s mining era. Researchers can trace historic prospecting sites like the Darling Mine and Goodman Mine or locate crossings at Diablo Pass.
    3 unique versions available
Showing maps 1-25 of 425

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Frequently asked questions

  • What are the different types of historical maps available for Riverside County?
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