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Old Maps of Port Costa, California

Explore 16 old maps of Port Costa, spanning from 1896 to today. These high-resolution historic maps reveal how streets, neighborhoods, landmarks, and natural features evolved over time — perfect for genealogy, metal detecting, research, and local history exploration.

What you can do with these maps:

  • See how Port Costa changed over time: Compare historical maps to modern-day views to trace roads, homesites, rail lines & more.
  • View detailed metadata: Each map includes creators, publishers, year, scale, and archive source.
  • Overlay maps with satellite & LiDAR: Visualize the past alongside modern tools to explore terrain & human change.
  • Trusted historical sources: Maps sourced from the USGS, Library of Congress, and other archives.
  • Access maps your way: View online, download high-res files, or order prints for personal or research use.

Start exploring old maps of Port Costa to uncover forgotten places, hidden landmarks, and the deep history beneath your feet.

Port Costa, CA maps

(16)
  1. 1896 Map of Carquinez Strait, 1954 Print
    1896 Map of Carquinez Strait, 1954 Print
    1896 Carquinez Strait
    1954 Print · USGS
    The 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.
  4. 1898 Map of Karquines
    1898 Map of Karquines
    1898 Karquines
    1898 Print · USGS
    The 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.
  7. 1901 Map of Karquines
    1901 Map of Karquines
    1901 Karquines
    1901 Print · USGS
    Northern 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
  10. 1902 Map of Napa
    1902 Map of Napa
    1902 Napa
    1902 Print · USGS
    The 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
  13. 1940 Map of Carquinez Strait, 1963 Print
    1940 Map of Carquinez Strait, 1963 Print
    1940 Carquinez Strait
    1963 Print · USGS
    The industrial waterfronts of Solano and Contra Costa counties are captured here just before the mid-century boom. Genealogists and historians can trace the rail-and-water networks of Port Costa, Benicia, and Vallejo, or locate landmarks like the Carquinez Cem and the Benicia Auto Ferry.
    2 unique versions available
  16. 1942 Map of Carquinez
    1942 Map of Carquinez
    1942 Carquinez
    1942 Print · USGS
    The industrial waterfront of the Carquinez Strait is captured here during the early years of the war. Researchers can trace the complex rail networks of the Southern Pacific and locate established neighborhoods in Vallejo, Benicia, and Crockett.
  19. 1947 Map of Santa Rosa
    1947 Map of Santa Rosa
    1947 Santa Rosa
    1947 Print · USGS
    Northern California in the late 1940s was a landscape of agricultural valleys and vital rail hubs. Trace the historic routes of the Northwestern Pacific through Healdsburg or explore the mid-century waterfronts of Vallejo and Benicia near Mare Island.
  22. 1949 Map of Santa Rosa
    1949 Map of Santa Rosa
    1949 Santa Rosa
    1949 Print · USGS
    The North Bay and Wine Country appear here in the late 1940s, when the Northwestern Pacific RR still dominated regional transit. Genealogists and historians can trace old coastal outposts like Anchor Bay Settlement and the early layout of Santa Rosa.
    2 unique versions available
  25. 1950 Map of Benicia, 1956 Print
    1950 Map of Benicia, 1956 Print
    1950 Benicia
    1956 Print · USGS
    The Carquinez Strait bustles with industrial and maritime activity in the years following the war, from the refinery at Oleum to the rail hubs of Martinez. Genealogists and historians can trace old neighborhoods like Valona, find the Carquinez Cemetery, or locate the California Maritime Academy.
  28. 1952 Map of Benicia
    1952 Map of Benicia
    1952 Benicia
    1952 Print · USGS
    The Carquinez Strait corridor was a bustling industrial and maritime hub in the early fifties, bridging Solano and Contra Costa counties. Researchers can trace the waterfront rail lines of the Southern Pacific and locate landmarks like the California Maritime Academy and Nevada Dock.
  31. 1958 Map of Santa Rosa, 1968 Print
    1958 Map of Santa Rosa, 1968 Print
    1958 Santa Rosa
    1968 Print · USGS
    The North Bay and Wine Country are captured in the mid-twentieth century as the region balanced its agricultural roots with a growing military and recreational footprint. Researchers can trace the Northwestern Pacific RR through the Russian River valley or locate landmarks like the Petaluma Adobe Historical Monument and The Geysers Resort.
    3 unique versions available
  34. 1959 Map of Benicia, 1960 Print
    1959 Map of Benicia, 1960 Print
    1959 Benicia
    1960 Print · USGS
    The Carquinez Strait corridor comes alive in the late fifties as industrial waterfronts and new suburban tracts transform the Solano and Contra Costa shoreline. Researchers can trace the legacy of the Benicia Arsenal, the Nevada Dock, and the historic Benicia Capitol State Historical Mon.
    8 unique versions available
  37. 1962 Map of Santa Rosa
    1962 Map of Santa Rosa
    1962 Santa Rosa
    1962 Print · USGS
    The North Bay and Wine Country were entering a period of significant growth in the early sixties, anchored by established rail corridors and coastal maritime commerce. Genealogists and historians can trace the development of Santa Rosa, locate the Mare Island Naval Shipyard, and follow the Northwestern Pacific RR through the Cotati Valley.
  40. 1964 Map of Santa Rosa
    1964 Map of Santa Rosa
    1964 Santa Rosa
    1964 Print · USGS
    The North Bay and Wine Country appear in the mid-fifties during a period of significant military and educational growth. Trace old rail lines like the Northwestern Pacific RR and explore historic sites from Petaluma to the Benicia Arsenal.
  43. 1983 Map of Napa
    1983 Map of Napa
    1983 Napa
    1983 Print · USGS
    The North Bay and wine country are captured in the early eighties as suburban growth began to surround traditional agricultural centers. Researchers can trace the rail corridors of the Northwestern Pacific Railroad, the grounds of Mare Island Naval Shipyard, and the reach of the San Andreas Rift Zone.
  46. 2021 Map of Benicia, 2021 Print
    2021 Map of Benicia, 2021 Print
    2021 Benicia
    2021 Print · USGS
    The Carquinez Strait corridor comes alive in this modern survey of the historic maritime and industrial heart of Solano County. Researchers can trace institutional landmarks like the California Maritime Academy and numerous local burial sites such as the Benicia City Cem or Alhambra Cem.
End of results
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