Historical Maps at the History and Genealogy Library

  • Vallejo Township

    Vallejo Township (Petaluma) map

The Sonoma County Historical Map collection, located at the History and Genealogy Library, includes a variety of maps from the late 19th through 20th century, as well as aerial survey photographs. The bulk of the collection is located in the Library's Map Drawers, For full map listing, see printed guide at the library. See also:

Map Drawers Summary Contents

Drawer 1: Sonoma County Maps 

    • Historical maps & modern maps of historical sites
    • Promotional, road and general maps
    • Political & utility district maps
    • Geological, agricultural, water, etc. maps
    • Miscellaneous
    • USGS Maps
    • US Bureau of the Census  

Drawer 2: Santa Rosa 

    • Historic maps
    • General maps post 1945
    • Maps with property owner names – in chronological order
    • Brochures
    • Utilities
    • Planning and Zoning maps
    • Montgomery Village
    • USGS maps 

Drawer 3: Santa Rosa -- Aerial Surveys 

    • Santa Rosa and vicinity -- 1954 aerials
    • Santa Rosa -– 1956 aerials (composite 1:6000 and 1:9600)
    • Santa Rosa -- various aerials, 1963-1970s
    • Santa Rosa and vicinity -- 1971 (partial set)
    • Airports and environs -- 1965-1971 

Drawer 4: Cotati, Rohnert Park, Penngrove and Environs 

    • Historical maps
    • Planning maps and miscellaneous
    • USGS maps 

Drawer 5: Healdsburg and North County 

    • Ranchos, General Land Office plats and mining claim maps
    • Healdsburg
    • Russian River
    • Other cities and miscellaneous
    • USGS maps
    • Aerial photographs based on USGS quads
    • Sonoma County Planning Department Zoning Maps, etc. 

Drawer 6: Sonoma Valley and East Sonoma County 

    • Historical
    • Miscellaneous
    • Rolled map -- Valley of the Moon Summer Resorts (1927)
    • USGS Maps
    • Sonoma County Planning Department Zoning Maps, etc. 

Drawer 7: Sebastopol, Russian River and West Sonoma County 

    • Historical
    • Russian River Area
    • Micellaneous
    • USGS Maps
    • Planning Maps 

Drawer 8: Roads, Bridges and Buildings 

    • Roads
    • 19th century
    • 20th century
    • Bridges
    • Buildings
    • Parks 

Drawer 9: School Districts 

    • Sonoma County maps
    • School district maps showing locations of schools
    • School district maps showing boundaries only 

Drawer 10: Miscellaneous – Other California Maps, Cemetery Maps and Miscellaneous Items 

    • USGS Maps
    • City of San Francisco historic maps
    • City and County of San Francisco 1912 Election Precincts – endorsed 1920 E. D.
    • Historic maps of California
    • Historic maps – non-California
    • Cemetery maps
    • Miscellaneous 

Drawer 11: Petaluma

    • Map of City of Petaluma 1928, J. B. Piatt

Drawer 12: Petaluma

    • Historical maps
    • Sanborn fire insurance maps
    • Miscellaneous maps
    • Planning and zoning maps
    • USGS maps

Drawer 14: Building Plans

    • Brainard Jones plans
    • Other architects

Drawer 15: Sonoma County General Plan

    • Land use maps, 1988-1989

Drawer 17: Railroads