Sonoma County Topographic Maps (California)

Clerks in Sonoma County, California maintain public records for a county or local government, which includes a range of types of documents. As part of their duties, Clerks maintain detailed local maps, including Sonoma County topographic maps. These maps show elevations, place names, rivers, lakes, and other bodies of water, and may include zoning information related to flood zones or earthquake hazards. Sonoma County Clerks may also hold historic topographic maps, including USGS maps and GIS maps. These maps are often available online at the Clerk's website.

Petaluma City Clerk Petaluma CA 11 English Street 94952 707-778-4360

Rohnert Park City Clerk Rohnert Park CA 130 Avram Avenue 94928 707-588-2227

Santa Rosa City Clerk Santa Rosa CA 100 Santa Rosa Avenue 95404 707-543-3016

Santa Rosa County Clerk Santa Rosa CA 3200 County Center Drive 95403 707-565-3700

Sonoma County Clerk Santa Rosa CA 2300 County Center Drive 95403 707-565-3800

Windsor Town Clerk Windsor CA 9291 Old Redwood Highway, Ste 400 95492 707-838-5311

Archives in Sonoma County, California collect and preserve documents and other records that hold historic value. Most archives also contain Sonoma County topographic maps, which show topography, soil composition, elevations, and geographic place names. The maps may also include aerial photos and shaded relief images. In addition, archives typically have historical in Sonoma County topography maps, including USGS maps and GIS maps. These Sonoma Countym aps may be available online through the Archive's website.

Rohnert Park Report Records Archive Rohnert Park CA 500 City Center Drive 94928 707-584-2600


Assessors in Sonoma County, California are responsible for determining the value of taxable property within a county or local area. These property value assessments are used to levy property taxes. In addition to property values, Assessors maintain detailed Sonoma County maps that show parcel boundaries and buildings, including topographic maps. These Sonoma County topography maps show elevations, shorelines, place names, and geographic features. They may also include information related to natural disasters such as floods or earthquakes. Assessors may make topographic maps available on their websites.

Sonoma County Assessor's Office Santa Rosa CA 585 Fiscal Drive 95403 707-565-1888


Recorders of Deeds in Sonoma County, California maintain real estate ownership documents to ensure the accuracy of property and land records. In addition to deeds, Sonoma County Recorders of Deeds also have detailed county and local maps that show property lines and building information, including Sonoma County topographic maps. These maps show elevations, water depths, geographic features, and may include aerial photos or shaded relief images. Recorders of Deeds may provide online access to their topographic maps on their websites.

Sonoma County Recorder's Office Santa Rosa CA 585 Fiscal Drive 95403 707-565-2651