Old Maps of Princeton-by-the-Sea, California for Metal Detecting

Plan your next treasure hunt with 22 historic maps of Princeton-by-the-Sea. Find old homesites, ghost towns, trails, and gathering spots that may be lost to time — perfect for identifying promising metal detecting locations.

  • Locate forgotten sites: Uncover places like long-lost settlements, abandoned rail lines, or gathering spots.
  • Plan better hunts: Use map overlays combined with LiDAR or satellite views to narrow in on historically rich areas.
  • Made for detectorists: Thousands of hobbyists use these maps to discover relics, coins, and hidden history.

Use these historic maps to boost your research and find new opportunities beneath the surface of Princeton-by-the-Sea.


Princeton-by-the-Sea, CA maps

(22)
  1. 1892 Map of San Mateo
    1892 Map of San Mateo
    1892 San Mateo
    1892 Print · USGS
    The San Francisco Peninsula in the 1890s reveals a landscape of ranchos and rising rail towns. Trace the early footprints of Colma, Millbrae, and South San Francisco alongside vital water infrastructure like the Crystal Springs Dam.

  2. 1896 Map of San Mateo
    1896 Map of San Mateo
    1896 San Mateo
    1896 Print · USGS
    The northern San Francisco Peninsula comes alive in this late nineteenth-century survey. Genealogists and historians can trace early trackage of the Southern Pacific R. R. through Colma and Millbrae, or locate the Industrial School and Brewer School.

  3. 1899 Map of San Mateo
    1899 Map of San Mateo
    1899 San Mateo
    1899 Print · USGS
    The northern San Mateo peninsula appears here in the late nineteenth century as a landscape of early rail lines and critical water infrastructure. Trace the early development of South San Francisco, the sprawling Cemeteries of Colma, and rural schoolhouses like Hoyt School.
    6 unique versions available

  4. 1915 Map of San Mateo
    1915 Map of San Mateo
    1915 San Mateo
    1915 Print · USGS
    The San Francisco Peninsula at the start of the twentieth century shows a landscape transitioning from rural ranchos to industrial centers and suburbs. Genealogists can trace family footprints at Colma, locate the Hoyt School, or follow the Southern Pacific RR through Baden Sta.
    6 unique versions available

  5. 1939 Map of San Mateo, 1956 Print
    1939 Map of San Mateo, 1956 Print
    1939 San Mateo
    1956 Print · USGS
    The San Francisco Peninsula at the brink of the 1940s reveals a landscape of ridge-top vistas and growing railroad towns. Researchers can trace the early layouts of Burlingame, San Bruno, and Millbrae, or locate institutional landmarks like St Josephs Military Academy and the extensive Chinese Cem.
    3 unique versions available

  6. 1943 Map of San Mateo
    1943 Map of San Mateo
    1943 San Mateo
    1943 Print · USGS
    The San Francisco Peninsula during the mid-war years shows a region of expanding shoreline industry and established hillside communities. Researchers can trace historic landmarks like St Josephs Military Academy and the Golden Gate National Cem.

  7. 1947 Map of San Francisco, 1948 Print
    1947 Map of San Francisco, 1948 Print
    1947 San Francisco
    1948 Print · USGS
    The Bay Area in the late 1940s reveals a region transitioning from wartime intensity to post-war suburban growth. Trace the historic rail lines of the Southern Pacific RR or locate early military footprints at Fort Funston and Moffett Field.

  8. 1948 Map of San Francisco, 1951 Print
    1948 Map of San Francisco, 1951 Print
    1948 San Francisco
    1951 Print · USGS
    The Bay Area in the late 1940s reveals a landscape defined by rapid post-war growth and a heavy military presence at the Golden Gate. Trace the development of early trans-bay infrastructure like the Oakland-Bay Bridge and historic coastal defense sites such as Fort Funston and Alcatraz Island.

  9. 1949 Map of Montara Mountain
    1949 Map of Montara Mountain
    1949 Montara Mountain
    1949 Print · USGS
    The San Mateo coastline and the San Andreas Rift Zone meet in the late 1940s, showing a mix of growing bayside cities and isolated Pacific shore hamlets. Researchers can trace the early layout of San Francisco International Airport and locate historic sites like the Sanchez Adobe or the Lighthouse at Montara Pt.
    3 unique versions available

  10. 1955 Map of San Francisco
    1955 Map of San Francisco
    1955 San Francisco
    1955 Print · USGS
    The San Francisco Bay Area and central coast are captured during the postwar boom as suburbs and infrastructure expanded rapidly. Trace the development of local communities and military installations like the Presidio and Fort Mason, or follow the Southern Pacific rail lines.

  11. 1956 Map of San Francisco
    1956 Map of San Francisco
    1956 San Francisco
    1956 Print · USGS
    The San Francisco Bay Area is captured in the mid-fifties, showing a landscape of rapid post-war growth and massive military installations. Researchers can trace the sprawling rail lines of the Southern Pacific and locate historic sites like Stanford University or the Hunters Point Naval Shipyard.
    4 unique versions available

  12. 1956 Map of Montara Mountain, 1957 Print
    1956 Map of Montara Mountain, 1957 Print
    1956 Montara Mountain
    1957 Print · USGS
    The San Francisco Peninsula comes into sharp focus during the mid-fifties, showing the coastal fog-belt towns meeting the expanding suburban sprawl. Trace early landmarks like the Sanchez Adobe and Point Montara Light Station alongside the rising San Francisco International Airport.
    5 unique versions available

  13. 1957 Map of San Francisco
    1957 Map of San Francisco
    1957 San Francisco
    1957 Print · USGS
    The Bay Area in the mid-fifties reveals a rapidly growing metropolitan landscape connected by its iconic spans and rail networks. Researchers can trace the layout of military sites like the Presidio and the extent of the Southern Pacific and Western Pacific railroads.

  14. 1960 Map of San Francisco
    1960 Map of San Francisco
    1960 San Francisco
    1960 Print · USGS
    The San Francisco Bay Area at the start of the sixties reveals a landscape of rapid expansion and critical infrastructure. Researchers can trace the development of East Bay communities like Russell City and Mt Eden or locate early rural landmarks like Alpine School.

  15. 1961 Map of San Francisco
    1961 Map of San Francisco
    1961 San Francisco
    1961 Print · USGS
    The Bay Area at the dawn of the 1960s reveals a landscape of growing cities and massive Cold War military installations. Genealogists and historians can trace the mid-century urban footprint from Berkeley to San Mateo, while locating landmarks like the Presidio, Alcatraz Island, and Moffett Field Air Station.

  16. 1964 Map of San Francisco
    1964 Map of San Francisco
    1964 San Francisco
    1964 Print · USGS
    The Bay Area in the mid-sixties shows a region of rapid suburban expansion and major military installations. Researchers can trace the development of the South Bay near Stanford University or locate family plots in the historic Cypress Lawn Cem and Holy Cross Cem.

  17. 1971 Map of San Francisco
    1971 Map of San Francisco
    1971 San Francisco
    1971 Print · USGS
    The San Francisco Bay Area at the start of the 1970s is shown here as a dense network of aerospace hubs, naval bases, and expanding suburbs. Researchers can trace the mid-century footprint of Stanford University, the industrial Salt Evaporators, and the Southern Pacific rail lines.

  18. 1978 Map of San Francisco, 1979 Print
    1978 Map of San Francisco, 1979 Print
    1978 San Francisco
    1979 Print · USGS
    The San Francisco Bay Area in the late seventies reveals a landscape where massive naval installations and federal parklands meet a rapidly maturing urban core. Genealogists and historians can locate family landmarks near the National Cemetery, trace the Southern Pacific rail lines, or study the layout of the Alameda Naval Air Station.
    2 unique versions available

  19. 1985 Map of San Francisco, 1989 Print
    1985 Map of San Francisco, 1989 Print
    1985 San Francisco
    1989 Print · USGS
    The Bay Area is captured in the mid-1980s through experimental Landsat satellite imagery, offering a unique technological perspective of the California coast. Trace the urban boundaries of San Francisco and Alameda against the San Francisco Bay and Lorenzo.

  20. 1993 Map of Montara Mountain, 1997 Print
    1993 Map of Montara Mountain, 1997 Print
    1993 Montara Mountain
    1997 Print · USGS
    Coastal San Mateo County in the early nineties shows a landscape defined by dramatic geological faulting and suburban growth. Trace local history at the Sanchez Adobe, explore the coast near Moss Beach, or locate the Point Montara Light Station.

  21. 1997 Map of Montara Mountain, 1999 Print
    1997 Map of Montara Mountain, 1999 Print
    1997 Montara Mountain
    1999 Print · USGS
    The San Mateo coastline in the late nineties shows a landscape of rugged bluffs and rapid suburban expansion. Researchers can trace the legacy of the area through landmarks like the Sanchez Adobe, Point Montara Lighthouse, and the coastal hamlets of Montara and Moss Beach.

  22. 2022 Map of Montara Mountain, 2022 Print
    2022 Map of Montara Mountain, 2022 Print
    2022 Montara Mountain
    2022 Print · USGS
    The San Francisco Peninsula highlands and the Pacific coast come together in this 2022 survey of San Mateo County. Local researchers can trace modern trail systems like the Sweeney Ridge Trail and Coastal Trail alongside landmarks like Half Moon Bay Airport and San Andreas Lake.

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