San Mateo County Property Search

Search free San Mateo County CA property, land, and tax records through local government assessors, auditors, clerks, property appraisers, deeds recorders, treasurers, tax collectors, city halls, and town halls.


The San Mateo County Assessor is responsible for determining the value of property in order to determine San Mateo County property taxes. The San Mateo County Assessment Office collect data from on-site inspections, value assessments for construction or improvements, comparable sales, and calculations of depreciation. The San Mateo County Tax Assessor maintains current data on every parcel in the San Mateo County, which includes ownership information, maps of property lines, inventories of parcels and structures, and the value of all the property in the San Mateo County, CA. The San Mateo County Assessor’s Office can answer questions regarding San Mateo County property tax appeals and assessments, San Mateo County property tax rates and payment due dates.

San Mateo County Assessor's Office Redwood CA 555 County Center 94063 650-363-4500


The San Mateo County Clerk files important documents and preserves municipal records in order to maintain an archive of San Mateo County property records that can be accessed by the public. The Clerk's Office is a valuable source of information on property in San Mateo County, California. The San Mateo County Clerk's Office contains documentation on real estate excise taxes, registered land, and property transactions, as well as land documents including San Mateo County deeds, mortgages, and liens on properties.

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


The San Mateo County Recorders of Deeds maintain public records, particularly documents related to property and land records, and make them available for public access in San Mateo County, CA. The Office of Recorder of Deeds in San Mateo County is a valuable source of information on property records The Recorder of Deeds maintains documents on land transactions within its jurisdictions, including San Mateo County deeds and titles, mortgages, property ownership records, surveys, and easements, as well as tax liens.

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


San Mateo County Town Halls and City Hall are the chief administrative offices that runs the town or city. The Town Hall or City Hall often maintains records related to the locality, including San Mateo County property taxes, property value assessments, and land transactions, as well as property sales and transfers in San Mateo County, California.

Atherton City Hall Atherton CA 91 Ashfield Road 94027 650-752-0500

Belmont City Hall Belmont CA 1 Twin Pines Ln 94002 650-595-7413

Brisbane City Hall Brisbane CA 50 Park Place 94005 415-508-2100

Burlingame City Hall Burlingame CA 501 Primrose Road 94010 650-558-7200

Colma Town Hall Colma CA 1198 El Camino Real 94014 650-997-8300

Daly City City Hall Daly CA 333 90th Street 94015 650-991-8000

Half Moon Bay City Hall Half Moon Bay CA 501 Main Street 94019 650-726-8270

Hillsborough Town Hall Hillsborough CA 1600 Floribunda Avenue 94010 650-375-7400

Menlo Park City Hall Menlo Park CA 701 Laurel Street 94025 650-330-6610

Millbrae City Hall Millbrae CA 621 Magnolia Avenue 94030 650-259-2334

Portola Valley Town Hall Portola Valley CA 765 Portola Road 94028 650-851-1700

Redwood City City Hall Redwood CA 1017 Middlefield Rd 94063 650-780-7000

San Bruno City Hall San Bruno CA 567 El Camino Real 94066 650-616-7058

San Carlos City Hall San Carlos CA 600 Elm Street 94070 650-802-4100

San Mateo City Hall San Mateo CA 330 West 20th Avenue 94403 650-522-7999

South San Francisco City Hall South San Francisco CA 400 Grand Avenue 94080 650-877-8500

Woodside Town Hall Woodside CA 2955 Woodside Road 94062 650-851-6790


The San Mateo County Treasurer and Tax Collector’s Office is responsible for the collection of San Mateo County property tax revenue. The Treasurer and Tax Collector maintains current San Mateo County property tax information including San Mateo County property ownership information, GIS Maps, tax maps, historical property tax rates, lists of sold parcels, and is also charged with the sale of properties due to a default on taxes in San Mateo County, California.

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