Old Maps of Contra Costa County, California for Academic Research
Study the evolution of Contra Costa County with 242 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 Contra Costa County has changed over the decades.
Contra Costa County, CA maps
(242)- 1895 Map of San Francisco
1895 San Francisco1895 Print · USGSThe San Francisco Bay Area thrives as a maritime and rail power at the close of the nineteenth century. Genealogists and researchers can trace early neighborhoods in Berkeley, the layout of the Presidio Military Reservation, and rail terminals like the Oakland Mole. - 1896 Map of Carquinez Strait, 1954 Print
1896 Carquinez Strait1954 Print · USGSThe industrial waterfront of the Carquinez Strait comes alive in the 1890s, where shipping channels meet the rails. Genealogists and historians can trace early bay settlements from the U.S. Arsenal at Benicia to the rail hubs of Vallejo and Martinez. - 1896 Map of Mt. Diablo, 1964 Print
1896 Mt. Diablo1964 Print · USGSThe northern slopes of the Diablo Range come alive in the 1890s, where mining settlements like Nortonville and Somersville thrived alongside the Empire R. R. and Star Mine. Trace early rail lines, family landmarks, and the rural roots of Danville and San Ramon. - 1897 Map of Concord
1897 Concord1897 Print · USGSThe East Bay hills and valleys appear here in the late nineteenth century, just as railroads began to reshape the old rancho lands. Researchers can trace the original tracks of the California and Nevada R. R. and early settlements like Pacheco and Lafayette.6 unique versions available - 1898 Map of Karquines
1898 Karquines1898 Print · USGSThe Karquines Strait and Suisun Bay served as a bustling maritime and rail crossroads in the late nineteenth century. Researchers can trace the early layouts of Benicia, Vallejo, and Martinez, or locate vanished landmarks like Seal Bluff Landing and the U.S. Arsenal. - 1898 Map of Mt. Diablo
1898 Mt. Diablo1898 Print · USGSContra Costa County at the end of the nineteenth century was a rugged landscape of coal mining camps and cattle valleys. Genealogists and local historians can trace the early footprints of Nortonville, Stewartville, and the remote Star Mine nestled among the peaks of Monte del Diablo.7 unique versions available - 1899 Map of San Francisco
1899 San Francisco1899 Print · USGSThe Bay Area at the close of the nineteenth century reveals a burgeoning metropolis still tied to its maritime and rail roots. Trace the early layouts of the University of California and the Presidio, or locate the now-vanished Lone Mt. Cem. and Shell Mound.7 unique versions available - 1899 Map of Haywards
1899 Haywards1899 Print · USGSThe East Bay shoreline at the end of the century was a landscape of industrial salt works and vital maritime landings. Genealogists and historians can trace the early rail stops at Haywards Sta. or locate family trade hubs at Mulford Landing and Jarvis Landing.5 unique versions available - 1901 Map of Karquines
1901 Karquines1901 Print · USGSNorthern California at the dawn of the twentieth century shows a landscape defined by the deep-water Karquines Strait and industrial rail hubs. Researchers can trace the waterfront activity of Benicia, Vallejo, and Martinez or the tidal marsh outposts at Drawbridge and Rush Landing.6 unique versions available - 1902 Map of Napa
1902 Napa1902 Print · USGSThe Napa Valley and Carquinez Strait are captured at the turn of the century, showing a landscape defined by maritime military posts and early vineyards. Genealogists and historians can trace the Mare Island Navy Yard, the Insane Asylum, and rail stops at Zinfandel and Rutherford.6 unique versions available - 1906 Map of Pleasanton
1906 Pleasanton1906 Print · USGSThe Livermore and Amador Valleys are captured here at the turn of the century as they transitioned from ranch lands to thriving rail hubs. Genealogists and historians can trace family locations near Mission San Jose, the old Dougherty Post Office, and the junction at Niles.5 unique versions available - 1907 Map of Antioch, 1955 Print
1907 Antioch1955 Print · USGSThe Suisun Bay and Sacramento Delta regions are captured here in the early twentieth century during a period of agricultural and industrial expansion. Local historians can trace family-named river ports like Lingos Landing and rural landmarks such as Scandia School or the settlement of Birds Landing. - 1908 Map of Antioch
1908 Antioch1908 Print · USGSThe convergence of the great California rivers in the early twentieth century shows a landscape of busy water landings and growing rail towns. Trace the industrial roots of Antioch or locate vanished landings like Palmetto Landing and Duttons Landing along the sloughs.5 unique versions available - 1910 Map of Bouldin
1910 Bouldin1910 Print · USGSThe Sacramento-San Joaquin Delta at the turn of the century is a labyrinth of reclaimed island tracts and sloughs. Trace the early river landings at Central Landing and Blakes Landing, or locate the Old Cannery along the South Fork Mokelumne River.3 unique versions available - 1910 Map of Jersey
1910 Jersey1910 Print · USGSThe California Delta at the start of the century was a landscape of river-bound islands and vital steamboat landings. Genealogists and historians can trace old waterfront sites like Larsen Landing and Jersey, or the rail path of the A T and S F R R.3 unique versions available - 1911 Map of Byron Hot Springs
1911 Byron Hot Springs1911 Print · USGSContra Costa County at the beginning of the twentieth century shows a landscape transitioning from ranching to railroad-driven tourism. Historians can trace the footprint of the Byron Hot Springs resort and the early rail infrastructure serving Byron. - 1913 Map of Woodward Island
1913 Woodward Island1913 Print · USGSThe reclaimed islands of the California Delta appear in this pre-war survey as a sophisticated network of levees and rail. Trace early commercial hubs like the Cannery at Woodward and the rural Middle River Moorland P O. - 1914 Map of Brentwood
1914 Brentwood1914 Print · USGSBrentwood and the surrounding orchards thrived in the early twentieth century as a dual-railroad crossroads. Researchers can trace early rural life through the Iron House School, the Southern Pacific RR tracks, and the Oil Pumping Station. - 1914 Map of Bethany
1914 Bethany1914 Print · USGSThe San Joaquin Delta was a maze of engineered waterways and rail lines just before the First World War. Researchers can trace the original routes of the Bethany Ferry and locate early landmarks like Mountain House and the Lammersville School.2 unique versions available - 1915 Map of Haywards
1915 Haywards1915 Print · USGSThe East Bay shoreline and inland foothills are shown here in the mid-1910s during a height of coastal industry. Genealogists and historians can trace old shipping points like Mulford Landing, early salt operations at Union City Salt Works, and the rail lines of the Western Pacific.4 unique versions available - 1915 Map of Concord
1915 Concord1915 Print · USGSContra Costa and Alameda counties are shown here just before the mid-century population boom, when the East Bay was a landscape of ranchos and rail stops. Genealogists can trace family footprints in small 1910s settlements like Moraga, Pacheco, and Lafayette.5 unique versions available - 1915 Map of San Francisco
1915 San Francisco1915 Print · USGSSan Francisco and the East Bay appear at a pivotal moment just before the First World War, featuring the grand layout of the Panama-Pacific International Exposition. Genealogists and historians can trace the early rail networks of the Key Route Pier, the industrial waterfront at Winehaven, and historic landmarks like Cliff House.6 unique versions available - 1916 Map of Lone Tree Valley
1916 Lone Tree Valley1916 Print · USGSContra Costa County at the onset of the motor age reveals a landscape of ranching valleys and early energy infrastructure. Researchers can trace the routes of Sand Creek and Marsh Creek, locate the isolated Deer Valley School, and see the early Oil Tanks in Markley Canyon.2 unique versions available - 1916 Map of Mare Island
1916 Mare Island1916 Print · USGSThe northern San Pablo Bay region comes alive in this survey, showcasing a landscape of tidal marshes and rail-driven growth during the mid-1910s. Researchers can trace the layout of the Mare Island Navy Yard, the remote rail stop at Wingo, and the rural classrooms of Fly School.4 unique versions available - 1916 Map of Byron Hot Springs
1916 Byron Hot Springs1916 Print · USGSEastern Contra Costa County was a landscape of historic land grants and early rail travel in the years before the Great War. Researchers can trace the original Southern Pacific route serving Byron and the specialized resort grounds of Byron Hot Springs.2 unique versions available
Showing maps 1-25 of 242
Top cities of Contra Costa County
- Concord historical maps
- Antioch historical maps
- Richmond historical maps
- San Ramon historical maps
- Pittsburg historical maps
- Walnut Creek historical maps
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Frequently asked questions
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