2020s Maps of Alameda County, California

Explore 29 historic maps of Alameda County from the 2020s. These maps offer a rare glimpse into what life looked like during the 2020s — 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 2020s, 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 2020s, 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 2020s. This is your window into the past.


Alameda County, CA maps

(29)
  1. 2021 Map of Milpitas, 2021 Print
    2021 Map of Milpitas, 2021 Print
    2021 Milpitas
    2021 Print · USGS
    The southern reach of San Francisco Bay meets the Silicon Valley corridor in the early twenty-first century. Genealogists and local historians can trace the evolution of Agnew, Curtner, and Wayne alongside modern landmarks like Cedar Lawn Memorial Cem.

  2. 2021 Map of Calaveras Reservoir, 2021 Print
    2021 Map of Calaveras Reservoir, 2021 Print
    2021 Calaveras Reservoir
    2021 Print · USGS
    The Santa Clara Valley interface meets the Diablo Range in this 2021 survey, documenting the transition from urban neighborhoods to protected watersheds. Researchers can trace the layout of Berryessa or find landmarks like Saint Johns Catholic Cem and Alum Rock.

  3. 2021 Map of Midway, 2021 Print
    2021 Map of Midway, 2021 Print
    2021 Midway
    2021 Print · USGS
    This Alameda and San Joaquin County borderland shows the convergence of the Central Valley and the Diablo Range in 2021. Researchers can trace massive water projects like the Governor Edmund G Brown California Aqueduct alongside local features such as Midway and Corral Hollow.

  4. 2021 Map of Tassajara, 2021 Print
    2021 Map of Tassajara, 2021 Print
    2021 Tassajara
    2021 Print · USGS
    The eastern foothills of the Diablo Range come into focus in the early 2020s, showing a landscape defined by deep canyons and a extensive ridge-top trail network. Researchers can trace local landmarks like Tassajara, the heights of Oyster Point, and water sources at Sycamore Spring.

  5. 2021 Map of Mount Boardman, 2021 Print
    2021 Map of Mount Boardman, 2021 Print
    2021 Mount Boardman
    2021 Print · USGS
    The high ridges of the Diablo Range come alive in this contemporary survey of the four-county junction. Researchers can trace the winding paths of Mines Rd, identify family landmarks in the San Antonio Valley, and locate remote features like Passionate Spring.

  6. 2021 Map of Mendenhall Springs, 2021 Print
    2021 Map of Mendenhall Springs, 2021 Print
    2021 Mendenhall Springs
    2021 Print · USGS
    The northern Diablo Range of Alameda County is captured here in recent years, showing a landscape defined by high peaks and water infrastructure. Researchers can trace the path of the Hetch Hetchy Aqueduct or locate upland sites like Mendenhall Springs and Shafer Flat.

  7. 2021 Map of Mount Day, 2021 Print
    2021 Map of Mount Day, 2021 Print
    2021 Mount Day
    2021 Print · USGS
    The Diablo Range east of San Jose is captured here in the early twenty-first century, showcasing the remote ridgelines and deep canyons of the Santa Clara backcountry. Topographic researchers can trace high-altitude features like Mt Day, Hamilton Flat, and the winding course of Arroyo Hondo.

  8. 2021 Map of Cedar Mountain, 2021 Print
    2021 Map of Cedar Mountain, 2021 Print
    2021 Cedar Mountain
    2021 Print · USGS
    The eastern reaches of the Diablo Range come into focus in the early 2020s, showing the high-altitude border between Alameda and San Joaquin counties. Trace the paths of Mines Rd and the Hetch Hetchy Aqueduct past landmarks like Cedar Mtn and Mt Wallace.

  9. 2021 Map of Eylar Mountain, 2021 Print
    2021 Map of Eylar Mountain, 2021 Print
    2021 Eylar Mountain
    2021 Print · USGS
    The interior Diablo Range comes into focus in the early 2020s, showing a landscape of high ridges and deep canyons. Trace the drainage of Arroyo Valle or find named landmarks like McGlinchey Spring and Eylar Mtn.

  10. 2021 Map of La Costa Valley, 2021 Print
    2021 Map of La Costa Valley, 2021 Print
    2021 La Costa Valley
    2021 Print · USGS
    In the uplands of the Diablo Range during the early twenty-first century, this map documents a vital corridor of California's water infrastructure. Researchers can trace the paths of the S Bay Aqueduct, locate the heights of Maguire Peaks, and find historic landmarks like Coal Mine Canyon.

  11. 2021 Map of Lone Tree Creek, 2021 Print
    2021 Map of Lone Tree Creek, 2021 Print
    2021 Lone Tree Creek
    2021 Print · USGS
    The northern Diablo Range transition into the Central Valley is captured here in the modern era. Researchers can trace critical water infrastructure like the Hetch Hetchy Aqueduct alongside natural landmarks such as Mt Oso and Lone Tree Mineral Spring.

  12. 2021 Map of Clifton Court Forebay, 2021 Print
    2021 Map of Clifton Court Forebay, 2021 Print
    2021 Clifton Court Forebay
    2021 Print · USGS
    The northern edge of the San Joaquin Valley meets the Delta in the early 2020s, showing a landscape defined by massive water projects and new growth. Trace the path of the Governor Edmund G Brown California Aqueduct near the residential streets of MOUNTAIN HOUSE and the runways of Byron Airport.

  13. 2021 Map of Byron Hot Springs, 2021 Print
    2021 Map of Byron Hot Springs, 2021 Print
    2021 Byron Hot Springs
    2021 Print · USGS
    The eastern foothills of the Diablo Range meet the San Joaquin Valley in this modern survey of the Contra Costa and Alameda border. Local historians can trace the topography surrounding Byron Hot Springs, Brushy Peak, and the Byron Airport.

  14. 2021 Map of Dublin, 2021 Print
    2021 Map of Dublin, 2021 Print
    2021 Dublin
    2021 Print · USGS
    The Tri-Valley area comes into sharp focus during this era of suburban expansion and hill-country preservation. Researchers can trace local history from the Dublin Pioneer Cem to the modern East County Hall of Justice while exploring the trails of Walpert Ridge.

  15. 2021 Map of Diablo, 2021 Print
    2021 Map of Diablo, 2021 Print
    2021 Diablo
    2021 Print · USGS
    Contra Costa County at the start of the 2020s shows a sophisticated blend of suburban growth and preserved open space along the foothills. Researchers can trace the modern development of Danville and San Ramon alongside geographic landmarks like Rock City and Black Hawk Ridge.

  16. 2021 Map of Niles, 2021 Print
    2021 Map of Niles, 2021 Print
    2021 Niles
    2021 Print · USGS
    Fremont and the surrounding East Bay hills are documented here in the early twenty-first century as suburban growth meets the ridges of the Diablo Range. Researchers can trace historic local identities in the Niles District, locate the Mission San Jose Cem, and follow the Hetch Hetchy Aqueduct across the landscape.

  17. 2021 Map of Livermore, 2021 Print
    2021 Map of Livermore, 2021 Print
    2021 Livermore
    2021 Print · USGS
    The Tri-Valley region is shown in its modern suburban form as the cities of the Amador Valley expanded toward the Diablo Range. Trace local history through family-named sites and landmarks like Radum, Roselawn Cem, and the tracks of the Southern Pacific.

  18. 2021 Map of Altamont, 2021 Print
    2021 Map of Altamont, 2021 Print
    2021 Altamont
    2021 Print · USGS
    The hills of eastern Alameda County are captured here during a period of modern expansion through the gap leading into the San Joaquin Valley. Trace the transition from the streets of Livermore to the open ridges of Crane Ridge and the historic Altamont Pass.

  19. 2021 Map of Hunters Point, 2021 Print
    2021 Map of Hunters Point, 2021 Print
    2021 Hunters Point
    2021 Print · USGS
    The San Francisco Peninsula meets the bay in the early 2020s, revealing an industrial and maritime landscape. Trace modern shoreline developments and navigation channels from Hunters Point to the San Francisco International Airport and Bay Farm Island.

  20. 2021 Map of Briones Valley, 2021 Print
    2021 Map of Briones Valley, 2021 Print
    2021 Briones Valley
    2021 Print · USGS
    Contra Costa County at the start of the 2020s shows a complex interface of suburban growth and protected ridge lands. Researchers can trace the Mokelumne Aqueduct or locate specific historical points like the John Muir National Historic Site and Orinda Village.

  21. 2021 Map of Richmond, 2021 Print
    2021 Map of Richmond, 2021 Print
    2021 Richmond
    2021 Print · USGS
    The East Bay shoreline and Berkeley Hills are revealed in this modern survey of Richmond's industrial and academic landscape. Trace the shipyard legacy at Rosie the Riveter National Historical Park or locate family sites near Saint Joseph Cem and Contra Costa College.

  22. 2021 Map of Las Trampas Ridge, 2021 Print
    2021 Map of Las Trampas Ridge, 2021 Print
    2021 Las Trampas Ridge
    2021 Print · USGS
    The East Bay interior is shown here in the early twenty-first century, spanning the ridge lands between Walnut Creek and Danville. Trace the grounds of Saint Mary's College of California and the paths around Las Trampas Peak.

  23. 2021 Map of Mountain View, 2021 Print
    2021 Map of Mountain View, 2021 Print
    2021 Mountain View
    2021 Print · USGS
    Silicon Valley at the start of the 2020s shows a dense network of tech campuses and coastal marshes. Trace the urban footprint of Mountain View alongside Moffett Federal Airfield and the historic streets of Alviso.

  24. 2021 Map of Redwood Point, 2021 Print
    2021 Map of Redwood Point, 2021 Print
    2021 Redwood Point
    2021 Print · USGS
    The San Francisco Bay shoreline in 2021 shows a complex landscape of reclaimed land and tidal marshes. Trace the development of Redwood City and Foster City alongside Bair Island and the San Carlos Airport.

  25. 2021 Map of Oakland East, 2021 Print
    2021 Map of Oakland East, 2021 Print
    2021 Oakland East
    2021 Print · USGS
    The East Bay shoreline and hills appear in high detail during the early 2020s, showing the dense growth between Oakland and Moraga. Researchers can trace local landmarks like Mountain View Cem, the BART rail corridor, and Mills College.

Showing maps 1-25 of 29

Top cities of Alameda County

See more

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?