San Mateo County Block and Lot (California)

The Recorder of Deeds ensures the accuracy of San Mateo County property, land, and property tax records for the San Mateo County, California government. As part of this job, they keep real estate documents including information on San Mateo County block and lot divisions. San Mateo County Recorders provide online access to a searchable block and lot database that can identify the parcel number of any San Mateo County property by its address. Block and lot information, which covers both urban and suburban areas, can show subdivided lots, lot identifiers, and the tracts of land San Mateo County, CA. The Registrar of Deeds may also provide San Mateo County plat maps and property maps that show block and lot information.

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


The Building Department is responsible for creating and enforcing San Mateo County building codes and zoning regulations in order to ensure the construction of safe buildings. As part of that job, San Mateo County Building Departments maintain a number of property-related records, including documents on block and lot information. These records can include plat maps, property maps, and San Mateo County block and lot databases, and they provide parcel numbers, subdivisions within a lot, lot identifiers, and tracts of land. Building Departments in San Mateo County, California may provide access to an online, searchable database to identify blocks, lots, and parcel numbers for properties, which can also show zoning boundaries.

Atherton Building Department Atherton CA 91 Ashfield Road 94027 650-752-0560

Belmont Permits Belmont CA 1 Twin Pines Lane, Ste 110 94002 650-595-7416

Burlingame Zoning Burlingame CA 501 Primrose Road 94010 650-558-7250

Colma Building Department, Planning, Zoning and Permits Colma CA 1188 El Camino Real 94014 650-757-8888

Daly City Zoning Daly CA 333 90th Street 94015 650-991-8033

East Palo Alto Building Department East Palo Alto CA 1960 Tate Street 94303 650-853-3189

Half Moon Bay Planning Department Half Moon Bay CA 501 Main Street 94019 650-726-8250

Hillsborough Town Building Department and Planning Hillsborough CA 1600 Floribunda Avenue 94010 650-375-7411

Menlo Park Building Department Menlo Park CA 701 Laurel Street 94025 650-330-6704

Menlo Park Zoning Menlo Park CA 701 Laurel Street 94025 650-330-6702

Menlo Permits Menlo Park CA 801 Laurel Street 94025 650-858-3383

Millbrae Zoning Millbrae CA 621 Magnolia Avenue 94030 650-259-2341

Pacifica Planning Department Pacifica CA 1800 Francisco Boulevard 94044 650-738-7341

S San Francisco Building Department South San Francisco CA 315 Maple Avenue 94080 650-829-6670

San Bruno Zoning San Bruno CA 567 El Camino Real 94066 650-616-7074

San Carlos Building Department San Carlos CA 600 Elm Street 94070 650-802-4261

San Carlos Zoning San Carlos CA 600 Elm Street 94070 650-802-4263

San Mateo County Planning Department San Mateo CA 225 37th Avenue 94403 650-573-2398

San Mateo Planning Department Redwood CA # 2, 455 County Ctr, # 2 94063 650-363-4161

San Mateo Planning Department San Mateo CA 330 West 20th Avenue 94403 650-522-7359

San Mateo Zoning San Mateo CA 330 W 20th Ave 94403 650-522-7212

The San Mateo County Clerk Office stores important public records for the San Mateo County local government, including records related to San Mateo County property such as block and lot information. These records can include plat maps, property maps, and block and lot databases, and they show parcel numbers, subdivisions within a lot, tracts of land, and lot identifiers in San Mateo County, CA. They may also include other descriptions of the property for both urban and suburban areas. Clerk Offices in San Mateo County provide online tools to look up the block and lot information for any property by its address.

Belmont City Clerk Belmont CA 1 Twin Pines Lane, Ste 375 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 Assessor Office determines the value of taxable property within a San Mateo County or local area. These property assessments are used to calculate property taxes in San Mateo County, California. Assessors keep detailed information on San Mateo County block and lot divisions, and many provide an online, searchable database to identify blocks, lots, and parcel numbers for properties by address. Urban and suburban block and lot information includes parcel numbers, subdivisions in a lot, and all tracts of land in the area. Assessor Offices may also have San Mateo County property maps known as plat maps that show block and lot information.

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