Marin County GIS Data (California)

Search for Marin County, CA GIS data. A GIS data search can provide information on GIS maps, property lines, county lines, city lines, public property, elevations, flood zones, school boundaries, earthquake zones, property appraisal values, erosion, water pollutants, topography, soil composition, sewers, public utilities, building hazards, population information, demographic information, place names, public property, parks, campgrounds, trails, trail maps, historic maps, historic GIS maps, town maps, county maps, city maps, and neighborhood boundaries.


An Assessor Office is responsible for appraising the taxable property in an area in order to calculate property taxes in Marin County, California. As part of this job, Marin County Assessors maintain detailed county and local maps, including Geographic Information Science (GIS) data. These Marin County GIS maps typically include property divisions, plots, buildings, property appraisal values, and property taxes. They may also include public property, parks, roads, place names, bodies of water, and other local geographical information, as well as flood zones, county zone lines, and school boundaries. These maps can be useful for a number of reasons, including buying and selling property. Assessors may provide online access to their Marin County GIS data on their websites.

Marin County Assessor's Office San Rafael CA 3501 Civic Center Drive 94903 415-473-7215


A Town or City Hall provides municipal services for their town or city, including keeping vital records and maintaining documents on their jurisdiction such as maps with GIS data in Marin County, California. These GIS maps typically include property boundaries, real estate appraisal values, Marin County property tax assessments, public property, and unclaimed parcels. The maps may also show place names, Marin County zoning boundaries, bodies of water, and flood zones, as well as population and demographic information. Some Town and City Halls also maintain historical maps of their area. These maps are often available on the Town or City Hall website.

Corte Madera Town Hall Corte Madera CA 300 Tamalpais Drive 94925 415-927-6725

Fairfax Town Hall Fairfax CA 142 Bolinas Rd 94930 415-453-1584

Larkspur City Hall Larkspur CA 400 Magnolia Avenue 94939 415-927-5110

Mill Valley City Hall Mill Valley CA 26 Corte Madera Avenue 94941 415-388-4033

Novato City Hall Novato CA 75 Rowland Way 94945 415-897-4311

Ross Town Hall Ross CA 31 Sir Francis Drake Boulevard 94957 415-453-1453

San Anselmo Town Hall San Anselmo CA 525 San Anselmo Avenue 94960 415-258-4600

San Rafael City Hall San Rafael CA 1400 5th Ave 94901 415-485-3407

Sausalito City Hall Sausalito CA 420 Litho Street 94965 415-289-4100

Tiburon Town Hall Belvedere CA 1505 Tiburon Boulevard 94920 415-435-7373


A Building Department creates and enforces building codes and zoning regulations in order to ensure the construction of safe buildings in Marin County, California. As part of that job, Building Departments maintain GIS data that can include Marin County GIS maps on the topography, elevation, soil composition, and flood zones for the local area. This information can be important for adhering to building codes and meeting zoning rules. These GIS maps may also show Marin County parcels, lots, subdivisions, and tracts of land, as well as sewers, public utilities, and other building hazards. GIS data may be available on the Building Department website.

Corte Madera Zoning Corte Madera CA 300 Tamalpais Drive 94925 415-927-5064

Larkspur Permits Larkspur CA 400 Magnolia Avenue 94939 415-927-5038

San Anselmo Zoning San Anselmo CA 525 San Anselmo Avenue 94960 415-258-4616

San Rafael Permits San Rafael CA 1400 5th Avenue 94901 415-485-3365

San Rafael Planning and Zoning Department San Rafael CA 1400 5th Avenue 94901 415-485-3085

Sausalito Permits Sausalito CA 420 Litho Street 94965 415-289-4100

Tiburon Building Department Belvedere CA 1505 Tiburon Boulevard 94920 415-435-7378

Tiburon Planning and Zoning Department Belvedere CA 1505 Tiburon Boulevard 94920 415-435-7390


An Auditor Office provides oversight for government agencies, including evaluating the performance of government offices and their compliance with laws, rules, and regulations in Marin County, California. Auditors also investigate corruption and fraudulent activities. Auditor Offices maintain a number of records related to their local area, which can include GIS data that shows Marin County property boundaries, city or county lines, flood zones, earthquake zones, and property taxes. These Marin County maps may also provide place names, bodies of water, and other geographic information. Auditors may provide online access to their GIS maps.

Marin County Auditor San Rafael CA 3501 Civic Center Drive 94903 415-499-6154


A Clerk Office maintains public records for a county or local government, including GIS data in the form of maps. These GIS maps provide detailed information such as property boundaries, roads, public property, parks, and in some cases, population and demographic information. GIS data can also show Marin County property value assessments, property taxes, flood zones, zoning boundaries, and earthquake zones, as well as place names, bodies of water, and other geographic information. Clerks may also have historic GIS maps from the USGS or other organizations. Marin County GIS data is often accessible through the Clerk Office website.

Marin County Clerk San Rafael CA 3501 Civic Center Drive 94903 415-473-7215

Mill Valley City Clerk Mill Valley CA 26 Corte Madera Avenue 94941 415-388-4033

Novato City Clerk Novato CA 75 Rowland Way 94945 415-899-8280

San Rafael City Clerk San Rafael CA 1400 5th Avenue 94901 415-485-3070


A Recorder of Deeds keeps real estate documents to ensure the accuracy of property and land records in Marin County, California. In addition to filing deeds that provide information on property sales and transfers, Recorders of Deeds also have detailed county and local maps, including Marin County GIS data. These maps can include property lines, building information, unclaimed parcels, property value assessments, and property tax information. They may also show Marin County place names, flood zones, zoning boundaries, neighborhood lines, bodies of water, and other geographic information. The Recorder of Deeds may provide access to GIS data on its website.

Marin County Recorder of Deeds San Rafael CA PO Box C 94913 415-473-6092


The Army Corps of Engineers is a federal agency that provides engineering services, including managing ports and waterways, protecting against floods and storm damage, and maintaining public recreation areas in Marin County, California. The Army Corps of Engineers keeps Marin County GIS maps that show navigable waters, tributaries, water depths, bridges, and ports, as well as information on flood zones, dams, and hydroelectric plants. GIS maps of Army Corps recreation areas can include bodies of water, shelters, campgrounds, elevations, and trails. These Marin County maps may be available on the Army Corps of Engineers website.

Sausalito Army Corps of Engineers Sausalito CA 2100 Bridgeway 94965 415-332-3870