San Mateo County Parcel Viewer

Search for San Mateo County CA parcel information. A parcel search can provide information on parcel boundaries, property lines, parcel lines, parcel divisions, unclaimed parcels, property taxes, property appraisals, parcel appraisal values, public parcels, genealogical research, property owners, and property sales.


The Assessor Office works at the county or local level to determine the value of the area's taxable property. As part of this job, Assessors conduct property appraisals and may assess the property taxes for every parcel. Assessor Offices maintain information on these parcels, including parcel maps, boundary lines, and parcel divisions. These parcel viewers may also provide information on appraisal values, zoning, and property tax assessments. Parcel viewers can also be used to locate local unclaimed parcels, public property, and look up property owner information. The Assessor Office may provide an online parcel viewer to look up parcel information.

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


The Town or City Hall provides municipal services for their town or city, including maintaining property-related documents. These records can include parcel viewers, which contain information on every parcel in the town or city. These parcel maps can include information on parcel boundaries, unclaimed parcels, public property, and parcel divisions. Town and City Halls may also have records on property appraisals, zoning boundaries, current and former property owners, and property taxes, which may be presented in the parcel viewer. This information is often available to the public on the Town or City Hall website.

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 Clerk Office maintains public records for a county or local government, including vital documents and property-related records. Clerks keep documents on every parcel in their jurisdiction, which can include parcel viewers that show parcel maps, boundary lines, and divisions between parcels. These parcel viewers may also provide information on property appraisal values, zoning boundaries, and property tax assessments, and they can be used to locate unclaimed parcels, public property, and look up property owner information. Parcel viewer information may be available through the Clerk Office website.

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


An Archive preserves records with historical significance for a local area, which can include parcel records. Some Archives may provide parcel information in the form of a parcel viewer, which can be used to look up historic parcel boundaries, ownership information for any parcel in the area, and parcel divisions over time. These records may also list historical property tax rates or property value assessments, including sales, as well as changes to parcel maps over time. These records can be useful for conducting genealogical research. Archives may provide online access to their parcel viewers.

East Palo Alto Sheriff's Records Archive East Palo Alto CA 218 Demeter Street 94303 650-363-4312

San Bruno National Archive San Bruno CA 1000 Commodore Drive 94066 650-238-3500

San Mateo County Records Archive Redwood CA 400 County Center 94063 650-363-4711

San Mateo County Sheriff's Records Archive Redwood CA 1580 Maple Street 94063 650-363-4358

San Mateo Police Records Archive San Mateo CA 2000 South Delaware Street 94403 650-522-7700


The Recorder of Deeds keeps real estate ownership documents in order to ensure the accuracy of property, land, and parcel records. Recorders of Deeds have records on every parcel under their authority, and they may provide a parcel viewer to look up this information. Parcel viewers provide information on parcel boundaries, property owners, unclaimed parcels, and parcel divisions, and this information may be presented in a parcel map. Recorders of Deeds may also have information on property appraisals, property taxes, and zoning boundaries. They may provide online access to parcel information on the Recorder of Deeds website.

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