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1900s (20th Century) Maps of Westminster, California

Explore 46 historic maps of Westminster 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 Westminster'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 Westminster's history through authentic maps from the 1900s. This is your window into the past.

Westminster, CA maps

(46)
  1. 1901 Map of Southern California Sheet No. 1
    1901 Map of Southern California Sheet No. 1
    1901 Southern California Sheet No. 1
    1901 Print · USGS
    Greater Los Angeles at the dawn of the twentieth century is a landscape of growing citrus towns and a burgeoning rail network. Genealogists and historians can trace the early gridded streets of Hollywood and Pasadena or locate landmarks like Bear Lake and the Cahuilla Indian Reservation.
    6 unique versions available
  4. 1901 Map of Santa Ana
    1901 Map of Santa Ana
    1901 Santa Ana
    1901 Print · USGS
    The Orange County coast and plains appear here at the dawn of the twentieth century, during a period of agricultural and rail expansion. Genealogists can trace early homesteads near Fairview or locate early rail stops at Smeltzer and Wintersburg.
    6 unique versions available
  7. 1901 Map of Anaheim
    1901 Map of Anaheim
    1901 Anaheim
    1901 Print · USGS
    Orange County's citrus and rail heartland is meticulously detailed at the start of the century, showing the early layouts of Anaheim and Fullerton. Genealogists can trace early homesteads and rail stops like Loara, Miraflores, and Olinda.
    6 unique versions available
  10. 1902 Map of Downey
    1902 Map of Downey
    1902 Downey
    1902 Print · USGS
    The Los Angeles coastal plain at the turn of the century shows a network of early citrus towns and Spanish rancho boundaries. Trace the development of the river system and rail stops like Poor Farm Sta., Fulton Wells, and the growing community of Whittier.
    9 unique versions available
  13. 1902 Map of Corona
    1902 Map of Corona
    1902 Corona
    1902 Print · USGS
    The Orange County and Riverside borderlands at the start of the 1900s show an era of rapid rail expansion and water engineering. Researchers can trace the early footprints of Anaheim and Orange or find vanished industry at the Santiago Coal Mine.
    7 unique versions available
  16. 1904 Map of Southern California Sheet No. 1, 1905 Print
    1904 Map of Southern California Sheet No. 1, 1905 Print
    1904 Southern California Sheet No. 1
    1905 Print · USGS
    Southern California at the dawn of the twentieth century shows a landscape of citrus groves and coastal towns connected by rail. Genealogists and historians can trace early settlements like San Juan Capistrano, find remote sites like the Rose Mine, and study the original water systems of the Santa Ana River.
    2 unique versions available
  19. 1932 Map of Newport Beach
    1932 Map of Newport Beach
    1932 Newport Beach
    1932 Print · USGS
    The Orange County coast was a landscape of agricultural sidings and early seaside resorts in the early thirties. Trace family history through Colonia Juarez, locate the Balboa Ferry, or find old schoolhouses like Greenville Sch.
  22. 1935 Map of Los Alamitos
    1935 Map of Los Alamitos
    1935 Los Alamitos
    1935 Print · USGS
    Orange County's coastal plain is captured in the mid-thirties as rural ranch lands began to yield to industrial expansion. Genealogists and researchers can trace early settlements like Los Alamitos and Buena Park or locate landmarks like the Texas Oil Tank Farm.
    2 unique versions available
  25. 1935 Map of Seal Beach
    1935 Map of Seal Beach
    1935 Seal Beach
    1935 Print · USGS
    The Orange County coast in the mid-thirties remains a landscape of sprawling salt marshes and private gun clubs. Trace the early shorefront at Sunset Beach or locate historic markers like Anaheim Landing and the Springdale Sch.
    3 unique versions available
  28. 1935 Map of Garden Grove
    1935 Map of Garden Grove
    1935 Garden Grove
    1935 Print · USGS
    Orange County's citrus heartland is captured here in the mid-1930s, showing a grid of groves and rail lines. Trace family history at Colonia Manzanillo, find the Anaheim Cem, or locate the old Fullerton Landing Field.
    3 unique versions available
  31. 1935 Map of Newport Beach
    1935 Map of Newport Beach
    1935 Newport Beach
    1935 Print · USGS
    Orange County's coastline and interior plains are captured in the mid-1930s, showing a transition from citrus groves to coastal resorts. Trace the early development of Lido Isle, the sugar beet settlements of Smeltzer, and the tracks of the Pacific Electric.
    3 unique versions available
  34. 1941 Map of Las Bolsas, 1961 Print
    1941 Map of Las Bolsas, 1961 Print
    1941 Las Bolsas
    1961 Print · USGS
    Coastal Orange County appears at the brink of the war years, showing a shoreline defined by marshlands and early beach communities. Genealogists and local historians can trace the Pacific Electric line and explore landmarks like the Bolsa Chica Gun Club and Meadow Lark Country Club Sch.
    2 unique versions available
  37. 1942 Map of Downey
    1942 Map of Downey
    1942 Downey
    1942 Print · USGS
    The Los Angeles Basin and North Orange County appear here during the wartime boom, showcasing a landscape transitioning from ranchos to suburbs. Trace the historic Pacific Electric rail lines, the oil fields of Santa Fe Springs, and early settlements like Hynes and Studebaker.
  40. 1942 Map of Anaheim
    1942 Map of Anaheim
    1942 Anaheim
    1942 Print · USGS
    Orange County's agricultural heart is captured mid-century during a period of rapid wartime development. Genealogists can locate family landmarks like Diamond Bar Ranch, local schools such as Alamitos Sch, and communities like Garden Grove or Stanton.
    2 unique versions available
  43. 1942 Map of Santa Ana
    1942 Map of Santa Ana
    1942 Santa Ana
    1942 Print · USGS
    Orange County was still a landscape of coastal towns and sprawling citrus groves during the early years of the war. Genealogists and researchers can trace the early footprints of Costa Mesa, the rail-side industry of Sugar, and the distinct shorelines of Newport Bay.
    2 unique versions available
  46. 1943 Map of Las Bolsas
    1943 Map of Las Bolsas
    1943 Las Bolsas
    1943 Print · USGS
    The Orange County coast and wetlands come into focus during the early 1940s as agricultural grids meet the sea. Local historians can trace the early rail influence of the Pacific Electric and locate old landmarks like the Springdale Sch or Wintersburg.
  49. 1943 Map of San Pedro
    1943 Map of San Pedro
    1943 San Pedro
    1943 Print · USGS
    The South Bay and Los Angeles Harbor area appear here during the Second World War, showing a landscape of burgeoning industry and aviation. Trace wartime infrastructure and local landmarks like Hughes Airport, Terminal Island, and Inglewood Park Cem.
  52. 1943 Map of Downey, 1963 Print
    1943 Map of Downey, 1963 Print
    1943 Downey
    1963 Print · USGS
    Southeast Los Angeles County and northern Orange County appear here at the height of the mid-century boom. Researchers can trace the massive rail infrastructure of the Pacific Electric and locate landmarks like the County Hospital and Signal Hill.
    2 unique versions available
  55. 1947 Map of Santa Ana, 1949 Print
    1947 Map of Santa Ana, 1949 Print
    1947 Santa Ana
    1949 Print · USGS
    Southern California is depicted here in the late forties, showing the expansion of the Inland Empire and the Orange County coast. Researchers can trace the early layout of Palm Springs or locate long-standing tribal lands like the Pala Indian Reservation and Rincon Indian Res.
  58. 1949 Map of Long Beach
    1949 Map of Long Beach
    1949 Long Beach
    1949 Print · USGS
    Southern California at the start of the post-war boom shows the rapid development of the Los Angeles basin and the South Bay. Genealogists and historians can trace the evolution of early suburbs like Gardena and Lynwood or the coastal defenses at Ft MacArthur Lower Reservation.
    2 unique versions available
  61. 1949 Map of Santa Ana
    1949 Map of Santa Ana
    1949 Santa Ana
    1949 Print · USGS
    Southern California underwent a profound transformation in the late 1940s as military installations and citrus groves shared the landscape. Researchers can trace early coastal growth at Laguna Beach, military history at Camp Pendleton, and the rail corridors of the Pacific Electric.
  64. 1949 Map of Anaheim, 1956 Print
    1949 Map of Anaheim, 1956 Print
    1949 Anaheim
    1956 Print · USGS
    Mid-century Orange County is caught in transition from vast groves to suburban centers just before the arrival of major theme parks. Researchers can trace the legacy of local agriculture and early aviation at Haster Field, Colonia Independencia, and the POW Camp (Aband).
  67. 1949 Map of Seal Beach, 1957 Print
    1949 Map of Seal Beach, 1957 Print
    1949 Seal Beach
    1957 Print · USGS
    Coastal Orange County is captured here in the late 1940s, showing a landscape of naval installations, early oil production, and marshland gun clubs. Researchers can trace the path of the Pacific Electric rail line past the Allied Trades Institute and the sprawling Oil Wells of the Las Bolsas area.
    2 unique versions available
  70. 1949 Map of Los Alamitos, 1957 Print
    1949 Map of Los Alamitos, 1957 Print
    1949 Los Alamitos
    1957 Print · USGS
    Coastal California is captured in its post-war transition as old ranch lands give way to suburban growth and aviation. Trace family roots at the Artesia Cem or explore the mid-century industrial footprint of the Naval Reservation and the Oil Tank Farm.
    2 unique versions available
  73. 1949 Map of Newport Beach, 1958 Print
    1949 Map of Newport Beach, 1958 Print
    1949 Newport Beach
    1958 Print · USGS
    The Orange County coastline comes alive in this post-war survey, documenting the transition from oil fields to burgeoning seaside communities. Genealogists and historians can trace the foundations of Costa Mesa and Newport Beach while locating landmarks like Orange Coast College and the Pacific Electric railroad.
Showing maps 1-25 of 46

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