Old Maps of Unincorporated Chatsworth, California for Academic Research
Study the evolution of Unincorporated Chatsworth with 28 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 Unincorporated Chatsworth has changed over the decades.
Unincorporated Chatsworth, CA maps
(28)- 1903 Map of Camulos
1903 Camulos1903 Print · USGSSouthern 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 - 1903 Map of Santa Susana
1903 Santa Susana1903 Print · USGSNorthern 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 - 1925 Map of Chatsworth
1925 Chatsworth1925 Print · USGSThe 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. - 1927 Map of Chatsworth
1927 Chatsworth1927 Print · USGSIn 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. - 1928 Map of Zelzah
1928 Zelzah1928 Print · USGSThe San Fernando Valley was transitioning from vast ranchos to specialized farming and suburban tracts in the late 1920s. Trace the early rail-connected settlements of Zelzah and Owensmouth alongside the unique Weeks Poultry Colony. - 1929 Map of Zelzah
1929 Zelzah1929 Print · USGSThe northern San Fernando Valley is shown here just before the era of major suburban density, when deep canyons still dominated the landscape. Genealogists and hikers can trace the early layout of Twin Lakes Park and the original path of Rinaldi Street. - 1929 Map of Newhall
1929 Newhall1929 Print · USGSNorthern Los Angeles during the late 1920s shows a landscape of deep canyons and the historic Ex Mission San Fernando boundary. Genealogists and hikers can trace old routes through San Fernando Pass and along Placerita Creek. - 1929 Map of Chatsworth
1929 Chatsworth1929 Print · USGSThe 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. - 1929 Map of Pico
1929 Pico1929 Print · USGSThe 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. - 1932 Map of Zelzah
1932 Zelzah1932 Print · USGSThe San Fernando Valley is seen here during its agricultural peak in the early thirties, just as early poultry colonies were defining the local economy. Genealogists and historians can trace the foundations of Canoga Park and Reseda, alongside unique sites like the Runnymede Poultry Colony. - 1933 Map of Chatsworth
1933 Chatsworth1933 Print · USGSThe 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. - 1933 Map of Newhall
1933 Newhall1933 Print · USGSNewhall and the northern Santa Susana Mountains are shown in the early thirties as vital transit corridors for rail and road. Researchers can trace the path of the Southern Pacific through the Tunnel or locate the Dept of Commerce Landing Field.4 unique versions available - 1940 Map of Pico
1940 Pico1940 Print · USGSThe 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. - 1940 Map of Chatsworth
1940 Chatsworth1940 Print · USGSThe 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. - 1941 Map of Zelzah
1941 Zelzah1941 Print · USGSThe San Fernando Valley is seen here in a pivotal pre-war era of agricultural colonies and early suburban plats. Researchers can trace the layout of the Runnymede Poultry Colony, the transition at Zelzah Northridge PO and Sta, and legacy holdings like Marwyck Ranch.2 unique versions available - 1941 Map of Santa Susana, 1964 Print
1941 Santa Susana1964 Print · USGSVentura 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 - 1943 Map of Santa Susana
1943 Santa Susana1943 Print · USGSSouthern 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. - 1949 Map of Los Angeles
1949 Los Angeles1949 Print · USGSSouthern 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 - 1951 Map of Santa Susana, 1952 Print
1951 Santa Susana1952 Print · USGSSimi 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 - 1952 Map of Oat Mountain, 1953 Print
1952 Oat Mountain1953 Print · USGSThe northwest San Fernando Valley met the rugged Santa Susana range in the early fifties, just as citrus groves gave way to suburban tracts. Researchers can trace the legendary Iverson Ranch film location, the historic Southern Pacific rail tunnel, and the Oakwood Cem grounds.8 unique versions available - 1955 Map of Los Angeles
1955 Los Angeles1955 Print · USGSThe mid-century transformation of Southern California comes into focus as the urban sprawl of Los Angeles meets the wilderness of the Santa Monica Mountains. Researchers can trace the development of post-war suburbs alongside historic landmarks like the Santa Barbara Lighthouse and early industrial sites such as the Good Luck Mine. - 1959 Map of Los Angeles
1959 Los Angeles1959 Print · USGSCoastal California and the high desert met in a period of booming growth after the war. Researchers can trace early aviation and military history at the Point Mugu Air Missile Test Ctr or locate desert mining sites like the Double Eagle Mine.3 unique versions available - 1966 Map of Los Angeles
1966 Los Angeles1966 Print · USGSSouthern California underwent a mid-century transformation as suburban grids reached the base of the San Gabriel Mountains. Researchers can trace the path of the Los Angeles Aqueduct or locate defense landmarks like Edwards Air Force Base. - 1975 Map of Los Angeles, 1977 Print
1975 Los Angeles1977 Print · USGSSouthern California is captured in a period of significant growth during the mid-seventies, showing the urban sprawl from the coast to the high desert. Researchers can trace the development of the Pacific Coast Hwy and find aerospace landmarks like Edwards Air Force Base and the Flight Test Center (NASA).2 unique versions available - 1976 Map of Oat Mountain, 1980 Print
1976 Oat Mountain1980 Print · USGSThe San Fernando Valley meets the Santa Susana Mountains in the mid-seventies, showing the precise suburban edge of Granada Hills. Trace the undeveloped ridgelines around Oat Mountain and the early layout of Newhall to the north.
Showing maps 1-25 of 28
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Frequently asked questions
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