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1900s (20th Century) Maps of Alameda County, California

Explore 138 historic maps of Alameda County 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 Alameda County'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 Alameda County's history through authentic maps from the 1900s. This is your window into the past.

Alameda County, CA maps

(138)
  1. 1902 Map of Santa Cruz
    1902 Map of Santa Cruz
    1902 Santa Cruz
    1902 Print · USGS
    Covers Alameda County, including San Jose, Fremont, and other nearby areas
    9 unique versions available
  4. 1906 Map of Pleasanton
    1906 Map of Pleasanton
    1906 Pleasanton
    1906 Print · USGS
    Covers Alameda County, including Fremont, Hayward, and other nearby areas
    5 unique versions available
  7. 1907 Map of Tesla
    1907 Map of Tesla
    1907 Tesla
    1907 Print · USGS
    Covers Alameda County, including Tracy, Livermore, and other nearby areas
    6 unique versions available
  10. 1911 Map of Byron Hot Springs
    1911 Map of Byron Hot Springs
    1911 Byron Hot Springs
    1911 Print · USGS
    Covers Alameda County, including Byron, Contra Costa County, and other nearby areas
  13. 1914 Map of Bethany
    1914 Map of Bethany
    1914 Bethany
    1914 Print · USGS
    Covers Alameda County, including Mountain House, Contra Costa County, and other nearby areas
    3 unique versions available
  16. 1915 Map of San Mateo
    1915 Map of San Mateo
    1915 San Mateo
    1915 Print · USGS
    Covers Alameda County, including San Francisco, Oakland, and other nearby areas
    6 unique versions available
  19. 1915 Map of Haywards
    1915 Map of Haywards
    1915 Haywards
    1915 Print · USGS
    Covers Alameda County, including Oakland, Fremont, and other nearby areas
    5 unique versions available
  22. 1915 Map of Concord
    1915 Map of Concord
    1915 Concord
    1915 Print · USGS
    Covers Alameda County, including Oakland, Concord, and other nearby areas
    6 unique versions available
  25. 1915 Map of San Francisco
    1915 Map of San Francisco
    1915 San Francisco
    1915 Print · USGS
    Covers Alameda County, including San Francisco, Oakland, and other nearby areas
    6 unique versions available
  28. 1916 Map of Byron Hot Springs
    1916 Map of Byron Hot Springs
    1916 Byron Hot Springs
    1916 Print · USGS
    Covers Alameda County, including Byron, Contra Costa County, and other nearby areas
    4 unique versions available
  31. 1916 Map of Byron
    1916 Map of Byron
    1916 Byron
    1916 Print · USGS
    Covers Alameda County, including Antioch, Brentwood, and other nearby areas
    3 unique versions available
  34. 1916 Map of Midway
    1916 Map of Midway
    1916 Midway
    1916 Print · USGS
    Covers Alameda County, including Tracy, Midway, and other nearby areas
    3 unique versions available
  37. 1922 Map of Carbona
    1922 Map of Carbona
    1922 Carbona
    1922 Print · USGS
    Covers Alameda County, including Tracy, Carbona, and other nearby areas
    3 unique versions available
  40. 1938 Map of Mt. Boardman, 1957 Print
    1938 Map of Mt. Boardman, 1957 Print
    1938 Mt. Boardman
    1957 Print · USGS
    Covers Alameda County, including Ashrama, Santa Clara County, and other nearby areas
    3 unique versions available
  43. 1939 Map of San Mateo, 1956 Print
    1939 Map of San Mateo, 1956 Print
    1939 San Mateo
    1956 Print · USGS
    Covers Alameda County, including San Francisco, Oakland, and other nearby areas
    3 unique versions available
  46. 1940 Map of Byron, 1943 Print
    1940 Map of Byron, 1943 Print
    1940 Byron
    1943 Print · USGS
    Covers Alameda County, including Antioch, Brentwood, and other nearby areas
  49. 1941 Map of Pleasanton
    1941 Map of Pleasanton
    1941 Pleasanton
    1941 Print · USGS
    Covers Alameda County, including Fremont, Hayward, and other nearby areas
  52. 1941 Map of Palo Alto
    1941 Map of Palo Alto
    1941 Palo Alto
    1941 Print · USGS
    Covers Alameda County, including San Jose, Fremont, and other nearby areas
  55. 1942 Map of Concord
    1942 Map of Concord
    1942 Concord
    1942 Print · USGS
    Covers Alameda County, including Oakland, Concord, and other nearby areas
  58. 1942 Map of Mt. Hamilton
    1942 Map of Mt. Hamilton
    1942 Mt. Hamilton
    1942 Print · USGS
    Covers Alameda County, including San Jose, The Arnold Ranch, and other nearby areas
  61. 1942 Map of Carbona
    1942 Map of Carbona
    1942 Carbona
    1942 Print · USGS
    Covers Alameda County, including Tracy, Carbona, and other nearby areas
  64. 1942 Map of Mt. Boardman
    1942 Map of Mt. Boardman
    1942 Mt. Boardman
    1942 Print · USGS
    Covers Alameda County, including Ashrama, Santa Clara County, and other nearby areas
  67. 1942 Map of Hayward
    1942 Map of Hayward
    1942 Hayward
    1942 Print · USGS
    Covers Alameda County, including Oakland, Fremont, and other nearby areas
  70. 1942 Map of Altamont, 1964 Print
    1942 Map of Altamont, 1964 Print
    1942 Altamont
    1964 Print · USGS
    Covers Alameda County, including Tracy, Livermore, and other nearby areas
  73. 1943 Map of Palo Alto
    1943 Map of Palo Alto
    1943 Palo Alto
    1943 Print · USGS
    Covers Alameda County, including San Jose, Fremont, and other nearby areas
Showing maps 1-25 of 138

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Frequently asked questions

  • What are the different types of historical maps available for Alameda County?
  • What is the oldest map of Alameda County?
  • Where can I purchase historical maps of Alameda County for my home or office?
  • Where can I download high-res historical maps of Alameda County?
  • Are there historical topographic maps available for Alameda County?
  • Is there historical aerial imagery available for Alameda County?
  • Where are historical maps of Alameda County sourced from?