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1900s (20th Century) Maps of San Luis Obispo County, California

Explore 263 historic maps of San Luis Obispo 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 San Luis Obispo 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 San Luis Obispo County's history through authentic maps from the 1900s. This is your window into the past.

San Luis Obispo County, CA maps

(263)
  1. 1900 Map of San Luis
    1900 Map of San Luis
    1900 San Luis
    1900 Print · USGS
    Covers San Luis Obispo County, including San Luis Obispo, Atascadero, and other nearby areas
    4 unique versions available
  4. 1902 Map of Santa Ynez
    1902 Map of Santa Ynez
    1902 Santa Ynez
    1902 Print · USGS
    Covers San Luis Obispo County, including Junction Camp, Figueroa Camp, and other nearby areas
  7. 1903 Map of Mt. Pinos
    1903 Map of Mt. Pinos
    1903 Mt. Pinos
    1903 Print · USGS
    Covers San Luis Obispo County, including Ventucopa, Wheeler Springs, and other nearby areas
    7 unique versions available
  10. 1905 Map of Guadalupe
    1905 Map of Guadalupe
    1905 Guadalupe
    1905 Print · USGS
    Covers San Luis Obispo County, including Santa Maria, Lompoc, and other nearby areas
    6 unique versions available
  13. 1905 Map of Santa Ynez
    1905 Map of Santa Ynez
    1905 Santa Ynez
    1905 Print · USGS
    Covers San Luis Obispo County, including Junction Camp, Figueroa Camp, and other nearby areas
    5 unique versions available
  16. 1905 Map of Lompoc
    1905 Map of Lompoc
    1905 Lompoc
    1905 Print · USGS
    Covers San Luis Obispo County, including Santa Maria, Lompoc, and other nearby areas
    7 unique versions available
  19. 1910 Map of Buena Vista Lake, 1912 Print
    1910 Map of Buena Vista Lake, 1912 Print
    1910 Buena Vista Lake
    1912 Print · USGS
    Covers San Luis Obispo County, including Bakersfield, Shafter, and other nearby areas
  22. 1912 Map of McKittrick
    1912 Map of McKittrick
    1912 McKittrick
    1912 Print · USGS
    Covers San Luis Obispo County, including Lokern, Missouri Triangle, and other nearby areas
    4 unique versions available
  25. 1912 Map of Buena Vista Lake, 1921 Print
    1912 Map of Buena Vista Lake, 1921 Print
    1912 Buena Vista Lake
    1921 Print · USGS
    Covers San Luis Obispo County, including Bakersfield, Shafter, and other nearby areas
    4 unique versions available
  28. 1914 Map of Cholame
    1914 Map of Cholame
    1914 Cholame
    1914 Print · USGS
    Covers San Luis Obispo County, including Avenal, Shandon, and other nearby areas
  31. 1915 Map of Cholame, 1956 Print
    1915 Map of Cholame, 1956 Print
    1915 Cholame
    1956 Print · USGS
    Covers San Luis Obispo County, including Avenal, Shandon, and other nearby areas
  34. 1917 Map of Cholame
    1917 Map of Cholame
    1917 Cholame
    1917 Print · USGS
    Covers San Luis Obispo County, including Avenal, Shandon, and other nearby areas
    4 unique versions available
  37. 1919 Map of San Miguel
    1919 Map of San Miguel
    1919 San Miguel
    1919 Print · USGS
    Covers San Luis Obispo County, including San Miguel, Valleton, and other nearby areas
    4 unique versions available
  40. 1919 Map of Bryson
    1919 Map of Bryson
    1919 Bryson
    1919 Print · USGS
    Covers San Luis Obispo County, including Christmas Cove, South Shore Village, and other nearby areas
    5 unique versions available
  43. 1919 Map of Paso Robles
    1919 Map of Paso Robles
    1919 Paso Robles
    1919 Print · USGS
    Covers San Luis Obispo County, including Atascadero, Paso Robles, and other nearby areas
    5 unique versions available
  46. 1919 Map of Bradley
    1919 Map of Bradley
    1919 Bradley
    1919 Print · USGS
    Covers San Luis Obispo County, including Bee Rock, Wunpost, and other nearby areas
    4 unique versions available
  49. 1919 Map of Adelaida
    1919 Map of Adelaida
    1919 Adelaida
    1919 Print · USGS
    Covers San Luis Obispo County, including Running Deer Ranch, Tri Counties, and other nearby areas
    2 unique versions available
  52. 1919 Map of Piedras Blancas
    1919 Map of Piedras Blancas
    1919 Piedras Blancas
    1919 Print · USGS
    Covers San Luis Obispo County, including United States, California, and other nearby areas
    2 unique versions available
  55. 1919 Map of San Simeon
    1919 Map of San Simeon
    1919 San Simeon
    1919 Print · USGS
    Covers San Luis Obispo County, including Cambria, Harmony, and other nearby areas
    4 unique versions available
  58. 1921 Map of Cape San Martin
    1921 Map of Cape San Martin
    1921 Cape San Martin
    1921 Print · USGS
    Covers San Luis Obispo County, including Gorda, Plaskett, and other nearby areas
    6 unique versions available
  61. 1922 Map of Pozo
    1922 Map of Pozo
    1922 Pozo
    1922 Print · USGS
    Covers San Luis Obispo County, including Pozo, Pippin Corner, and other nearby areas
    3 unique versions available
  64. 1922 Map of Nipomo
    1922 Map of Nipomo
    1922 Nipomo
    1922 Print · USGS
    Covers San Luis Obispo County, including Huasna, Suey Creek, and other nearby areas
    4 unique versions available
  67. 1927 Map of Piedras Blancas
    1927 Map of Piedras Blancas
    1927 Piedras Blancas
    1927 Print · USGS
    Covers San Luis Obispo County, including United States, California, and other nearby areas
    2 unique versions available
  70. 1932 Map of Adelaida
    1932 Map of Adelaida
    1932 Adelaida
    1932 Print · USGS
    Covers San Luis Obispo County, including Running Deer Ranch, Tri Counties, and other nearby areas
    2 unique versions available
  73. 1932 Map of La Panza
    1932 Map of La Panza
    1932 La Panza
    1932 Print · USGS
    Covers San Luis Obispo County, including California Valley, La Panza, and other nearby areas
Showing maps 1-25 of 263

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Frequently asked questions

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