1900s (20th Century) Maps of Eastside, Rancho Cucamonga
Explore 15 historic maps of Eastside 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 Eastside'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 Eastside's history through authentic maps from the 1900s. This is your window into the past.
Eastside, Rancho Cucamonga maps
(15)- 1900 Map of Cucamonga
1900 Cucamonga1900 Print · USGSSan 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. - 1901 Map of Southern California Sheet No. 1
1901 Southern California Sheet No. 11901 Print · USGSGreater 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 - 1903 Map of Cucamonga
1903 Cucamonga1903 Print · USGSThe 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 - 1904 Map of Southern California Sheet No. 1, 1905 Print
1904 Southern California Sheet No. 11905 Print · USGSSouthern 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 - 1944 Map of Cucamonga
1944 Cucamonga1944 Print · USGSThe San Gabriel Valley and Inland Empire are shown here during the mid-forties, capturing the peak of the region's citrus era and rail-based transit. Researchers can trace early campus layouts at Pomona College or locate vanished landmarks like the Monta Vista Resort and Padua Hills Theater. - 1953 Map of San Bernardino
1953 San Bernardino1953 Print · USGSSouthern California underwent massive post-war growth as suburban sprawl reached the foothills of the San Bernardino Mountains. Genealogists and historians can trace the rail-and-road roots of the Inland Empire through the Union Pacific RR and Lake Arrowhead resorts.2 unique versions available - 1953 Map of Guasti, 1955 Print
1953 Guasti1955 Print · USGSSan Bernardino and Riverside Counties are shown here during the post-war industrial boom, where vineyards and heavy industry collide. Genealogists and historians can trace the development of Cucamonga and Guasti alongside the Kaiser Steel Plant.2 unique versions available - 1954 Map of Ontario, 1959 Print
1954 Ontario1959 Print · USGSThe Pomona Valley in the mid-fifties is captured here as a sprawling network of citrus-era settlements and rising post-war industry. Genealogists and local researchers can trace the early footprints of the Claremont Associated Colleges, the Steel Plant, and Ontario International Airport.5 unique versions available - 1956 Map of San Bernardino
1956 San Bernardino1956 Print · USGSSouthern California's Inland Empire and High Desert come into focus in the mid-fifties as agriculture gives way to suburban and military growth. Trace early rail lines like the Pacific Electric or find remote landmarks like Camp Rock Mine and George AFB. - 1957 Map of San Bernardino
1957 San Bernardino1957 Print · USGSSouthern California's Inland Empire and High Desert met during the postwar expansion of the late fifties. Genealogists and historians can trace the growth of San Bernardino and Redlands alongside remote landmarks like Edwards AFB and the Camp Rock Mine. - 1958 Map of San Bernardino, 1975 Print
1958 San Bernardino1975 Print · USGSSouthern California’s Inland Empire and High Desert come into focus during the mid-century boom, showing the rise of suburbs and massive military installations. Researchers can trace the rail networks of the Union Pacific RR or locate landmarks like Norton AFB and Big Bear Lake. - 1959 Map of San Bernardino
1959 San Bernardino1959 Print · USGSSouthern California underwent a massive transformation in the late fifties as suburban growth and military power reshaped the desert and valley. Researchers can trace the legacy of the Union Pacific Railroad and locate early footprints of Joshua Tree National Monument and Edwards Air Force Base. - 1966 Map of San Bernardino
1966 San Bernardino1966 Print · USGSThe San Bernardino Valley and Mojave Desert met during a period of massive military and suburban growth in the mid-sixties. Genealogists and historians can trace the development of Edwards Air Force Base, old desert mines like the Bagdad Chase Mine, and mountain communities near Big Bear Lake. - 1966 Map of Guasti, 1969 Print
1966 Guasti1969 Print · USGSThe Inland Empire is shown at a pivotal moment of industrial and suburban growth in the mid-1960s. Genealogists and researchers can locate family-named landmarks like the John Rains House, the historic Guasti settlement, and local centers like Mission Bell Ch.4 unique versions available - 1982 Map of San Bernardino, 1983 Print
1982 San Bernardino1983 Print · USGSThe Inland Empire and San Gabriel Valley met at a peak of suburban and industrial expansion in the early eighties. Researchers can trace the massive rail infrastructure through Cajon Pass and locate landmarks like Norton Air Force Base or the Fontana International Raceway.
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Showing maps 1-15 of 15
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