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Old Maps of Simi Valley, California for Academic Research

Study the evolution of Simi Valley with 36 high-resolution historic maps. Whether you're teaching, researching, or modeling changes in land use, these maps provide essential visual documentation of urban, environmental, and geographic change.

  • Analyze long-term change: Track patterns in development, transportation, and natural features.
  • Ideal for environmental or urban studies: Support academic projects with primary historical map data.
  • Use in the classroom or lab: Educators and researchers rely on these maps to bring historical context to life.

These maps are a powerful tool for teaching, research, and visualizing how Simi Valley has changed over the decades.

Simi Valley, CA maps

(36)
  1. 1900 Map of Triunfo Pass
    1900 Map of Triunfo Pass
    1900 Triunfo Pass
    1900 Print · USGS
    In the final year of the nineteenth century, the coast between Ventura and Los Angeles remained a series of massive ranchos and canyons. Genealogists and historians can trace early settlements like Newbury Park and Vejor, or follow the ancient Boundary Line across the Santa Monica Mountains.
    2 unique versions available
  4. 1900 Map of Piru
    1900 Map of Piru
    1900 Piru
    1900 Print · USGS
    Ventura County thrived along the rail-and-river corridor at the turn of the century as agriculture and ranching expanded. Trace the early layouts of Fillmore, Moorpark, and Piru or locate family landmarks in Bardsdale and Camulos.
  7. 1903 Map of Calabasas
    1903 Map of Calabasas
    1903 Calabasas
    1903 Print · USGS
    The northern reaches of the Santa Monica Mountains and the western San Fernando Valley are shown here at the turn of the century. Genealogists and historians can trace early ranch boundaries like Encino and Las Virgenes, or locate the original sites of Grape Arbor and the Chatsworth Park Branch railroad.
    8 unique versions available
  10. 1903 Map of Camulos
    1903 Map of Camulos
    1903 Camulos
    1903 Print · USGS
    Southern California at the dawn of the twentieth century shows a landscape of ranchos and early rail towns. Trace the old routes through Simi and Camulos, or locate vanished stops like Ternez Siding and the coastal piers at Port Los Angeles.
    5 unique versions available
  13. 1903 Map of Santa Susana
    1903 Map of Santa Susana
    1903 Santa Susana
    1903 Print · USGS
    Northern Los Angeles and Ventura counties are captured here at the start of the twentieth century, as the railroad transformed the frontier. Trace early rail hubs at Newhall and Saugus, and find the engineering feats of the Santa Susana Tunnel and Fernando Tunnel.
    8 unique versions available
  16. 1921 Map of Piru
    1921 Map of Piru
    1921 Piru
    1921 Print · USGS
    The Santa Clara River valley and southern Ventura County are shown here in the early twentieth century as the rail network expanded. Genealogists and historians can trace old property lines and rail stops at Sespe Sta, Camulos, and Bardsdale.
    4 unique versions available
  19. 1921 Map of Triunfo Pass
    1921 Map of Triunfo Pass
    1921 Triunfo Pass
    1921 Print · USGS
    The coastal canyons and mountain passes of Ventura and Los Angeles counties are captured here at the turn of the century. Genealogists and historians can trace early settlements at Newbury Park and Triunfo, or follow the rugged drainage of Dume Canyon to the sea.
    3 unique versions available
  22. 1925 Map of Chatsworth
    1925 Map of Chatsworth
    1925 Chatsworth
    1925 Print · USGS
    The western San Fernando Valley appears here in the mid-1920s as a landscape of new reservoirs and expanding rail lines. Genealogists and local historians can trace the early streets of Chatsworth, the grounds of Oakwood Cemetery, and the historic El Escorpion tract.
  25. 1927 Map of Chatsworth
    1927 Map of Chatsworth
    1927 Chatsworth
    1927 Print · USGS
    In the mid-1920s, the western San Fernando Valley was a landscape of emerging townsets and critical water infrastructure. Trace early street grids and rail lines near Chatsworth, Owensmouth, and the Chatsworth Reservoir.
  28. 1929 Map of Chatsworth
    1929 Map of Chatsworth
    1929 Chatsworth
    1929 Print · USGS
    The foothills of the Santa Susana Mountains come into focus in the late 1920s as Los Angeles began its westward expansion. Genealogists and historians can trace the early boundaries of Oakwood Cemetery, the Southern Pacific rail line, and the fledgling Twin Lakes Addition.
  31. 1929 Map of Pico
    1929 Map of Pico
    1929 Pico
    1929 Print · USGS
    The northern Santa Susana Mountains were a hub of early petroleum activity in the late 1920s. Trace the historic footprint of the Pico Oil Field and follow early mountain routes through Pico Canyon and Towsley Canyon.
  34. 1933 Map of Chatsworth
    1933 Map of Chatsworth
    1933 Chatsworth
    1933 Print · USGS
    The Chatsworth area in the early thirties shows a unique blend of old ranching estates and new valley subdivisions. You can trace early property lines at Rancho Sombra del Roble or locate historic landmarks like the Garden of The Gods and Oakwood Cemetery.
  37. 1940 Map of Pico
    1940 Map of Pico
    1940 Pico
    1940 Print · USGS
    The northern reaches of the Santa Susana Mountains appear here in the late 1930s, showing the complex canyons of the Los Angeles and Ventura county line. Researchers can trace early settlements and remote outposts like Pico and La Quinta or locate high-country landmarks such as Oat Mtn Lookout.
  40. 1940 Map of Chatsworth
    1940 Map of Chatsworth
    1940 Chatsworth
    1940 Print · USGS
    The northwest San Fernando Valley appears in the 1940s as a land of iconic movie ranches and burgeoning citrus communities. Researchers can trace the early footprints of Chatsworth and Canoga Park or locate family-named sites like Iverson Ranch and Brandies Ranch.
  43. 1941 Map of Piru, 1963 Print
    1941 Map of Piru, 1963 Print
    1941 Piru
    1963 Print · USGS
    Ventura County ranching and rail life are captured here during the early 1940s as citrus and oil industries shaped the valley. Researchers can trace historic family holdings like the Frey Ranch and locate vanished local landmarks such as San Cayetano Sch or the Temescal Guard Station.
  46. 1941 Map of Santa Susana, 1964 Print
    1941 Map of Santa Susana, 1964 Print
    1941 Santa Susana
    1964 Print · USGS
    Ventura and Los Angeles counties meet in this 1940s landscape of steep canyons and early oil development. Researchers can trace the ranching history of Brandeis Ranch and Iverson Ranch or locate industrial sites like the Newhall-Potrero Oil Field.
    2 unique versions available
  49. 1943 Map of Santa Susana
    1943 Map of Santa Susana
    1943 Santa Susana
    1943 Print · USGS
    Southern California ranching and oil industries intersect in the early 1940s along the Santa Susana Mountains. Trace historic boundaries and sites like Tapo Ranch, the Newhall-Potrero Oil Field, and the Southern Pacific rail line.
  52. 1943 Map of Triunfo Pass
    1943 Map of Triunfo Pass
    1943 Triunfo Pass
    1943 Print · USGS
    The Conejo Valley and Santa Monica Mountains are shown here during the early war years, when ranching and small coastal outposts defined the region. Local researchers can locate family landholdings like Fillmore Ranch or trace the early development of the Thousand Oaks Community and Newbury Park.
  55. 1944 Map of Calabasas
    1944 Map of Calabasas
    1944 Calabasas
    1944 Print · USGS
    Mid-century Los Angeles County unfolds here, showing the grid of the San Fernando Valley meeting the Santa Monica Mountains. Trace old ranch boundaries at Platt Ranch or locate early landmarks like the Will Rogers Memorial and Topanga Lookout.
  58. 1949 Map of Los Angeles
    1949 Map of Los Angeles
    1949 Los Angeles
    1949 Print · USGS
    Southern California and the South Coast appear at the onset of the post-war boom, from the Channel Islands to the Mojave Desert. Trace early aviation sites like Lockheed Air Terminal and mining history at the Redrock Quicksilver Mine and Redrover Mine.
    2 unique versions available
  61. 1950 Map of Thousand Oaks, 1955 Print
    1950 Map of Thousand Oaks, 1955 Print
    1950 Thousand Oaks
    1955 Print · USGS
    Thousand Oaks and the surrounding ranch lands are shown here in the early fifties, just as the regional highway network began to modernize. Researchers can locate early community hubs like Triunfo Corner, Greenwich Village, and the Conejo Sch.
    5 unique versions available
  64. 1951 Map of Simi, 1952 Print
    1951 Map of Simi, 1952 Print
    1951 Simi
    1952 Print · USGS
    Simi Valley and Moorpark are captured in the early fifties during an era of agricultural prosperity and early suburban planning. Genealogists and local historians can locate the Virginia Colony settlement, the Simi Sta railroad stop, and the Cem south of the tracks.
    6 unique versions available
  67. 1951 Map of Santa Susana, 1952 Print
    1951 Map of Santa Susana, 1952 Print
    1951 Santa Susana
    1952 Print · USGS
    Simi Valley and the surrounding mountains are captured here in the early fifties, showing the region before modern suburban expansion. Researchers can trace ranching history at Tapo Ranch, locate the Santa Susana Airport, or follow the Southern Pacific line through the Santa Susana Tunnel.
    6 unique versions available
  70. 1952 Map of Thousand Oaks
    1952 Map of Thousand Oaks
    1952 Thousand Oaks
    1952 Print · USGS
    Thousand Oaks and the Conejo Valley are captured in the early fifties, just as this ranching region began to modernize. Researchers can locate the original Conejo School, the Conejo Valley Airport, and old landmarks like Triunfo Corner and the Olson Cemetery.
  73. 1952 Map of Calabasas, 1953 Print
    1952 Map of Calabasas, 1953 Print
    1952 Calabasas
    1953 Print · USGS
    The western San Fernando Valley meets the Simi Hills in the early fifties, showing a landscape of foothill ranching and early canyon communities. Genealogists can locate family landmarks like Chatsworth Lake Manor, the L A Pet Cemetery, and Las Virgenes School.
    9 unique versions available
Showing maps 1-25 of 36

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Frequently asked questions

  • What are the different types of historical maps available for Simi Valley?
  • What is the oldest map of Simi Valley?
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  • Are there historical topographic maps available for Simi Valley?
  • Is there historical aerial imagery available for Simi Valley?
  • Where are historical maps of Simi Valley sourced from?