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Old Maps of Middletown, California for Genealogy

Trace your family roots with 40 historic maps of Middletown. These high-res maps reveal old neighborhoods, homesites, landmarks, and streets — helping you uncover where your ancestors lived and how the area evolved over time.

  • Explore historic neighborhoods: Identify where your relatives may have lived in the 1800s or 1900s.
  • Compare maps over time: Trace the changes in streets, buildings, and landmarks for multi-generational research.
  • Perfect for genealogy & ancestry research: Used by family historians and researchers to map out lineage and migration.

These maps are an incredible resource for exploring your personal connection to Middletown's past.

Middletown, CA maps

(40)
  1. 1927 Map of Calistoga
    1927 Map of Calistoga
    1927 Calistoga
    1927 Print · USGS
    Upper Napa Valley and the surrounding peaks come alive in this 1920s tactical survey. Genealogists and researchers can trace the early mercury industry at the Oat Hill Mine, locate family roots near Langstry Ranch, or follow the old Southern Pacific line through Larkmead and Bale.
    2 unique versions available
  4. 1943 Map of Calistoga, 1955 Print
    1943 Map of Calistoga, 1955 Print
    1943 Calistoga
    1955 Print · USGS
    Upper Napa Valley and the rugged Lake County border are captured here during the 1940s, a period defined by mercury mining and early tourism. Researchers can trace family-named landmarks and industrial sites like the Oat Hill Mine, Mark West Springs, and the Petrified Forest.
  7. 1945 Map of Calistoga
    1945 Map of Calistoga
    1945 Calistoga
    1945 Print · USGS
    Calistoga and the surrounding tri-county ridges are documented here during the mid-forties, capturing a landscape defined by mercury and silver mining. Researchers can trace the Southern Pacific RR and locate rural landmarks like the Silverado Mine or Mark West Springs.
    2 unique versions available
  10. 1945 Map of Lower Lake
    1945 Map of Lower Lake
    1945 Lower Lake
    1945 Print · USGS
    Lake County's famous resort and mercury-mining districts are shown in high detail during the mid-1940s. Researchers can locate vanished structures at Hould Gibson Camp, trace the namesake springs at Anderson Springs, and find rural institutions like Cobb Valley Sch.
    2 unique versions available
  13. 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.
  16. 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
  19. 1958 Map of Middletown, 1961 Print
    1958 Map of Middletown, 1961 Print
    1958 Middletown
    1961 Print · USGS
    Middletown and the surrounding Lake County valleys are shown here in the late fifties, during a period of steady ranching and early water management. Researchers can locate the Cem near the town center or trace the course of Putah Creek past the Military Reservation and McCreary Lake.
    3 unique versions available
  22. 1958 Map of Detert Reservoir, 1961 Print
    1958 Map of Detert Reservoir, 1961 Print
    1958 Detert Reservoir
    1961 Print · USGS
    The Mayacamas Mountains in the late fifties remained a rugged hub of mercury and silver mining. Genealogists and industrial historians can trace the foundations of the Oat Hill Mine, Corona Mine, and Silverado Mine along the winding Old Grade.
    5 unique versions available
  25. 1958 Map of Whispering Pines, 1961 Print
    1958 Map of Whispering Pines, 1961 Print
    1958 Whispering Pines
    1961 Print · USGS
    Lake County at the end of the 1950s was a hub for mineral spring resorts and mountain industry. Genealogists and historians can trace the foundations of Hobergs, Anderson Springs, and Harbin Springs, or locate old operations like the Big Chief Mine.
    4 unique versions available
  28. 1958 Map of Lower Lake, 1962 Print
    1958 Map of Lower Lake, 1962 Print
    1958 Lower Lake
    1962 Print · USGS
    Lake County was a burgeoning destination for mineral spring resorts and lakeside living in the late fifties. Genealogists and historians can trace the foundations of Clearlake Highlands, the winding Putah Creek, and historic sites like Hobergs and Sulphur Bank Mine.
    2 unique versions available
  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 Mount St. Helena, 1961 Print
    1959 Map of Mount St. Helena, 1961 Print
    1959 Mount St. Helena
    1961 Print · USGS
    The rugged Mayacmas Mountains during the late fifties reveal a landscape shaped by mining and remote ranching. Local historians can trace the legacy of quicksilver mining at the Western Mine or locate the settlement of Kellogg and the secluded Locke Cabin.
    3 unique versions available
  37. 1959 Map of Calistoga, 1962 Print
    1959 Map of Calistoga, 1962 Print
    1959 Calistoga
    1962 Print · USGS
    The northern Napa Valley and Mayacamas highlands are captured here in the late fifties during a period of rising viticulture and active mining. Researchers can locate historic sites like the Bale Mill Historical Monument or trace dozens of old mercury workings such as the Oat Hill Extension Mine and Mirabel Mine.
    2 unique versions available
  40. 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.
  43. 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.
  46. 1972 Map of Healdsburg, 1975 Print
    1972 Map of Healdsburg, 1975 Print
    1972 Healdsburg
    1975 Print · USGS
    Northern California wine country and the lower Lake County basins appear here during the early seventies. Trace the Northwestern Pacific rail line and discover foothill communities like Middletown and Loch Lomond.
    2 unique versions available
  49. 1993 Map of Mount St. Helena
    1993 Map of Mount St. Helena
    1993 Mount St. Helena
    1993 Print · USGS
    The high ridges where Sonoma, Lake, and Napa counties meet are captured here in the early nineties, showing a landscape of geothermal energy and protected wilderness. Researchers can trace historic property lines like Knights Grant and find old mining sites including Chicago Mine and Wall Street Mine.
  52. 1993 Map of Detert Reservoir
    1993 Map of Detert Reservoir
    1993 Detert Reservoir
    1993 Print · USGS
    The mining-scarred ridges of the Mayacmas Mountains come into focus in the early 1990s as they bridge Lake and Napa counties. Genealogists and historians can trace the locations of legendary quicksilver workings like the Oat Hill Mine and Silverado Mine near Table Mountain.
  55. 1993 Map of Whispering Pines
    1993 Map of Whispering Pines
    1993 Whispering Pines
    1993 Print · USGS
    Lake County resort life and geothermal energy development meet in the early nineties near the Boggs Mtn State Forest. Researchers can trace the legacy of mineral water retreats at Harbin Springs and Anderson Springs or locate numerous Geothermal Wells on the mountain ridges.
  58. 1993 Map of Middletown
    1993 Map of Middletown
    1993 Middletown
    1993 Print · USGS
    Middletown and the surrounding ranch lands of southern Lake County are seen here in the early nineties. Genealogists and historians can trace the Cem and Historical Marker while exploring features like Hidden Valley Lake and the US Coast Guard Reservation.
  61. 1997 Map of Mount Saint Helena, 1998 Print
    1997 Map of Mount Saint Helena, 1998 Print
    1997 Mount Saint Helena
    1998 Print · USGS
    The high Mayacmas Mountains come into focus in the late nineties, showing the rugged intersection of Sonoma, Lake, and Napa counties. Researchers can trace historic mining operations at the Chicago and Helen mines or locate the Locke Cabin Site.
  64. 1997 Map of Detert Reservoir, 1998 Print
    1997 Map of Detert Reservoir, 1998 Print
    1997 Detert Reservoir
    1998 Print · USGS
    The rugged mining districts of Lake and Napa counties come to life in this late twentieth-century survey. Trace the heritage of the region's mercury industry through sites like the Oat Hill Mine, Silverado Mine, and the historic town of Middletown.
  67. 1998 Map of Middletown, 2002 Print
    1998 Map of Middletown, 2002 Print
    1998 Middletown
    2002 Print · USGS
    Middletown and its surrounding valleys are captured here in the late nineties as residential growth began to encircle the area's natural springs and creek beds. Researchers can locate the local Cem, the US Coast Guard Reservation, and trace the development around Hidden Valley Lake.
  70. 1998 Map of Whispering Pines, 2002 Print
    1998 Map of Whispering Pines, 2002 Print
    1998 Whispering Pines
    2002 Print · USGS
    The mountains of Lake County in the late nineties show a unique mix of geothermal energy production and mountain resorts. Researchers can trace historic retreats at Whispering Pines, locate the Power Plant near Anderson Springs, or explore Loch Lomond.
  73. 2012 Map of Mount Saint Helena, 2012 Print
    2012 Map of Mount Saint Helena, 2012 Print
    2012 Mount Saint Helena
    2012 Print · USGS
    Covers Middletown, including Kellogg, Sonoma County, and other nearby areas
Showing maps 1-25 of 40

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