San Mateo County Plat Maps (California)

Search for San Mateo County, CA plat maps. Plat maps include information on property lines, lots, plot boundaries, streets, flood zones, public access, parcel numbers, lot dimensions, and easements.


Clerks maintain and preserve important public records for a county or local government, including detailed local maps such as plat maps in San Mateo County, CA. These San Mateo County plat maps show the property boundaries in a neighborhood, including lots and their dimensions, boundary locations, streets and street numbers, and parcel numbers. These San Mateo County maps contain important information for prospective buyers who may be concerned about easements, rights of way, flood zones, and public access on a particular plot of land. Clerks often provide online access to plat maps.

Belmont City Clerk Belmont CA 1 Twin Pines Lane 94002 650-595-7413

Daly City Clerk Daly CA 333 90th Street 94015 650-991-8078

Millbrae City Clerk Millbrae CA 621 Magnolia Avenue 94030 650-259-2332

Redwood City Clerk Redwood CA 1017 Middlefield Road 94063 650-780-7220

San Mateo City Clerk San Mateo CA 330 West 20th Avenue 94403 650-522-7040

San Mateo County Clerk Redwood CA 555 County Center 94063 650-363-4500


Treasurers and Tax Collectors are responsible for collecting taxes at the local level and distributing these funds in San Mateo County, CA. In order to collect San Mateo County property taxes, the Treasurer and Tax Collector typically maintains maps covering its jurisdiction, including plat maps. These plat maps provide detailed information on a neighborhood or local area, including property boundaries and divisions, lot dimensions, parcel and street numbers, and land sizes. San Mateo County plat maps also contain important information for prospective buyers about flood zones, easements, rights of way, and public access. The San Mateo County Treasurer and Tax Collector may provide online access to plat maps on its website.

Belmont City Treasurer Belmont CA 1 Twin Pines Lane 94002 650-637-2961

Daly City Treasurer Daly CA 333 90th Street 94015 650-991-8047

San Bruno City Treasurer San Bruno CA 567 El Camino Real 94066 650-616-7061

San Mateo County Treasurer-Tax Collector's Office Redwood CA 555 County Center 94063 650-363-4142


Assessors are responsible for determining the value of taxable property within San Mateo County, CA. These property assessments are used to levy property taxes. In addition, San Mateo County Assessors maintain detailed neighborhood maps that contain information about the properties. These plat maps include all the lots in a tract of land, boundary locations, street numbers, property lines, and lot dimensions. San Mateo County plat maps also show any easements or rights of way. Assessors are responsible for assigning a parcel number to each lot, which appears on the map. Plat maps may be available online through the Assessor's website.

San Mateo County Assessor-County Clerk-Recorder Redwood CA 555 County Center 94063 650-363-4500


Recorders of Deeds maintain real estate ownership documents to ensure the accuracy of property, land, and property tax records in San Mateo County, CA. As part of this responsibility, Recorders of Deeds typically keep detailed San Mateo County plat maps. These maps show the subdivisions in a tract of land, including boundary locations, parcel and street numbers, property lines, and lot dimensions. Plat maps also include San Mateo County flood zones, easements, and rights of ways, as well as public access land. The Recorder of Deeds often provides public access to plat maps through its website.

San Mateo County Recorder of Deeds Redwood CA 555 County Center 94063 650-363-4500