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1950s Maps of Union, Napa

Explore 3 historic maps of Union from the 1950s. These maps offer a rare glimpse into what life looked like during the 1950s — 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 Union's landscape evolved across the 1950s, 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 1950s, 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 Union's history through authentic maps from the 1950s. This is your window into the past.

Union, Napa maps

(3)
  1. 1951 Map of Napa, 1952 Print
    1951 Map of Napa, 1952 Print
    1951 Napa
    1952 Print · USGS
    Covers Union, including Napa, Imola, and other nearby areas
    6 unique versions available
  4. 1951 Map of Sonoma, 1958 Print
    1951 Map of Sonoma, 1958 Print
    1951 Sonoma
    1958 Print · USGS
    Covers Union, including Napa, Sonoma, and other nearby areas
    3 unique versions available
  7. 1958 Map of Santa Rosa, 1968 Print
    1958 Map of Santa Rosa, 1968 Print
    1958 Santa Rosa
    1968 Print · USGS
    Covers Union, including Santa Rosa, Concord, and other nearby areas
    3 unique versions available
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Frequently asked questions

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