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1990s Maps of Sonoma County, California

Explore 28 historic maps of Sonoma County from the 1990s. These maps offer a rare glimpse into what life looked like during the 1990s — 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 Sonoma County's landscape evolved across the 1990s, 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 1990s, 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 Sonoma County's history through authentic maps from the 1990s. This is your window into the past.

Sonoma County, CA maps

(28)
  1. 1991 Map of Gube Mountain
    1991 Map of Gube Mountain
    1991 Gube Mountain
    1991 Print · USGS
    The Mendocino-Sonoma county line runs through this high-country landscape during the 1990s. Researchers can trace remote homesteading and natural landmarks from Billings down to Howlett Ranch and the heights of Gube Mtn.
  4. 1991 Map of Mc Guire Ridge
    1991 Map of Mc Guire Ridge
    1991 Mc Guire Ridge
    1991 Print · USGS
    The Mendocino and Sonoma county line remains a landscape of isolated ranches and timbered ridges in the early nineties. Genealogists and historians can locate established holdings like Zeni Ranch and follow old tracks along McKenzie Grade or Johnny Woodin Ridge.
  7. 1991 Map of Big Foot Mountain
    1991 Map of Big Foot Mountain
    1991 Big Foot Mountain
    1991 Print · USGS
    The Mendocino and Sonoma County line was still defined by large rural holdings and complex river systems in the early nineties. Genealogists and local historians can trace family-named sites like Diamond D Ranch, Rockpile Ranch, and Mt Tom.
  10. 1993 Map of Calistoga
    1993 Map of Calistoga
    1993 Calistoga
    1993 Print · USGS
    The northern reaches of the Napa Valley come into focus in the early nineties, centered on the historic town of Calistoga. Genealogists and historians can trace local landmarks like the Bale Grist Mill State Historical Park, Larkmead, and the Palisade Mine.
  13. 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.
  16. 1993 Map of Guerneville
    1993 Map of Guerneville
    1993 Guerneville
    1993 Print · USGS
    The Russian River valley in the early nineties reveals a landscape of riverside resorts and steep timberlands. Researchers can trace the development of Rio Nido, Korbel, and Guerneville or locate the Sopoma Mine and the Daniels School.
  19. 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.
  22. 1993 Map of Geyserville
    1993 Map of Geyserville
    1993 Geyserville
    1993 Print · USGS
    Northern Sonoma County in the early 1990s reveals a landscape of river-valley agriculture and hillside ridges. Genealogists and researchers can trace local landmarks like Olive Hill Cemetery, the Manzanita Sch, and the community of Geyserville.
  25. 1993 Map of Mark West Springs
    1993 Map of Mark West Springs
    1993 Mark West Springs
    1993 Print · USGS
    Sonoma County's volcanic ridges and historic land grants are captured here in the early nineties. Researchers can trace the winding Petrified Forest Road to find the Petrified Forest, the Franz Valley School, and old landmarks like Mark West Springs.
    2 unique versions available
  28. 1993 Map of Healdsburg
    1993 Map of Healdsburg
    1993 Healdsburg
    1993 Print · USGS
    Sonoma County's wine country is captured in the early nineties as Healdsburg and Windsor expanded along the Russian River. Genealogists and researchers can trace the Northwestern Pacific rail line and locate the historic Shiloh Cem or the local Grange Hall.
    2 unique versions available
  31. 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.
  34. 1993 Map of Asti
    1993 Map of Asti
    1993 Asti
    1993 Print · USGS
    The Alexander Valley and Russian River wine country come into focus in the early nineties. Genealogists and historians can trace the Northwestern Pacific rail line through Asti or locate landmarks like Our Lady of Carmel Church.
  37. 1993 Map of Jimtown
    1993 Map of Jimtown
    1993 Jimtown
    1993 Print · USGS
    Sonoma's wine country and the Russian River valley are captured in the early nineties, showing a landscape shaped by historical land grants and rail. Trace local roots at Beeson Cemetery, the Maricoma Quicksilver Mine, and the Rio Lindo Academy.
  40. 1993 Map of The Geysers
    1993 Map of The Geysers
    1993 The Geysers
    1993 Print · USGS
    The Mayacmas Mountains in the early nineties show a unique landscape of geothermal energy production and deep-rooted mining history. Researchers can trace old mineral claims like the Silver Bear Mine and Socrates Mine alongside settlements like Mercuryville.
  43. 1994 Map of Santa Rosa, 1999 Print
    1994 Map of Santa Rosa, 1999 Print
    1994 Santa Rosa
    1999 Print · USGS
    Santa Rosa and its surrounding valleys are captured in the late nineties during a period of steady growth. Researchers can trace the legacy of regional landmarks like the Rural Cemetery, the Sonoma County Fairgrounds, and the Luther Burbank Gardens.
  46. 1995 Map of Point Reyes NE, 1998 Print
    1995 Map of Point Reyes NE, 1998 Print
    1995 Point Reyes NE
    1998 Print · USGS
    Northwestern Marin and southern Sonoma counties are shown in the mid-nineties, capturing a landscape of historic land grants and coastal hills. Researchers can trace the divisions of Nicasio (Halleck) and Soulajule (Brackett) near Tomales Bay.
  49. 1995 Map of Camp Meeker, 1999 Print
    1995 Map of Camp Meeker, 1999 Print
    1995 Camp Meeker
    1999 Print · USGS
    The Russian River valley and the forested slopes of West Sonoma County are captured here in the mid-nineties. Genealogists and local researchers can trace the roads and homesteads near Camp Meeker, Occidental, and schools like Joy Sch.
  52. 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.
  55. 1997 Map of Geyserville, 1998 Print
    1997 Map of Geyserville, 1998 Print
    1997 Geyserville
    1998 Print · USGS
    In the late 1990s, the Russian River corridor near Geyserville was defined by its valley agriculture and mountain ridges. Researchers can locate family landmarks like Olive Hill Cemetery, the Grange Hall, and small settlements such as Chianti and Nervo.
  58. 1997 Map of Calistoga, 1998 Print
    1997 Map of Calistoga, 1998 Print
    1997 Calistoga
    1998 Print · USGS
    Upper Napa Valley thrives in the late nineties as a world-renowned vineyard landscape anchored by the town of Calistoga. Researchers can trace the heritage of the regional wine economy through the Schramsberg Winery Historical Marker and Bale Grist Mill State Historical Park.
  61. 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.
  64. 1997 Map of Guerneville, 1999 Print
    1997 Map of Guerneville, 1999 Print
    1997 Guerneville
    1999 Print · USGS
    Sonoma County's redwood forests and river resorts are shown here in the late twentieth century, before recent changes altered the riparian landscape. Researchers can trace family history through riverside communities like Rio Nido and Summerhome Park or locate landmarks like the Sonoma Mine.
  67. 1998 Map of Mark West Springs, 2002 Print
    1998 Map of Mark West Springs, 2002 Print
    1998 Mark West Springs
    2002 Print · USGS
    The Mayacamas Mountains in the late 1990s reveal a landscape of creek-carved valleys and rural landmarks between Santa Rosa and Calistoga. Researchers can trace local history through the Petrified Forest, find the Grave on the eastern hills, or follow Franz Valley School Road.
  70. 1998 Map of Asti, 2002 Print
    1998 Map of Asti, 2002 Print
    1998 Asti
    2002 Print · USGS
    The Russian River valley and the Mayacmas Mountains meet in this Sonoma County survey from the late nineties. Genealogists and researchers can trace the vicinity of Asti, locate Our Lady of Carmel Church, or explore the steep drainages of Big Sulphur Creek.
  73. 1998 Map of Fort Ross, 2002 Print
    1998 Map of Fort Ross, 2002 Print
    1998 Fort Ross
    2002 Print · USGS
    The Sonoma coast at the end of the millennium retains its colonial and geological drama, centered on the Russian legacy at Fort Ross. Genealogists and historians can trace family sites at Seaview Cem or explore the rugged interior reaches of Kings Ridge and the Laton Mine.
Showing maps 1-25 of 28

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Frequently asked questions

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