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San Mateo County, CA Parcels & GIS Data

San Mateo County, CA parcel data: 257,146 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes San Mateo County, California parcel data covering 257,146 property records.

This page documents parcel-level coverage for San Mateo County, California. Each parcel record carries its boundary polygon (GIS geometry) along with attributes such as the parcel ID/APN, owner name and mailing address, situs (property) address, assessed land and improvement values, acreage, land-use and zoning codes, year built, and most recent sale price and date. Exact fill rates for San Mateo County are listed in the attribute-coverage table below. Preview the data in the interactive explorer, or download the complete San Mateo County property dataset.

San Mateo County, officially the County of San Mateo, is a county located in the U.S. state of California. As of the 2020 United States census, the population was 764,442. Redwood City is the county seat, the third-most populated city in the county after Daly City and San Mateo.

FIPS 06081

Official county website: https://smcgov.org

The FIPS code for San Mateo County is 06081.

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Attribute coverage

San Mateo County contains 257,146 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL).

ColumnCoverageRecords populated
lrid100%257,146
parcelid100%257,146
parcelid2100%257,135
ogparcelid100%257,146
ogparcelid2100%257,135
parentid<0.1%0
stackid<0.1%0
geoid100%257,146
statefp100%257,146
countyfp100%257,146
countyname100%257,146
cousubfp100%257,146
cousubname100%257,146
tractce100%257,146
tractname100%257,146
taxacctnum<0.1%0
taxyear89.5%230,123
taxdistrict10.5%27,006
usecode46.3%119,138
usedesc88.9%228,553
zoningcode93.5%240,543
zoningdesc46.5%119,629
numbldgs100%257,134
numunits77.6%199,554
yearbuilt0.3%807
numfloors70.8%182,058
bldgsqft0.3%713
bedrooms<0.1%0
halfbaths<0.1%0
fullbaths<0.1%0
imprvalue44.5%114,308
landvalue44.5%114,309
agvalue44.5%114,308
totalvalue44.5%114,309
taxacres<0.1%4
calcarea100%257,146
saleamt<0.1%0
saledate35.7%91,797
ownertype93.2%239,592
ownername92.2%236,984
owneraddr45.6%117,293
ownercity45.6%117,282
ownerstate45.6%117,200
ownerzip45.6%117,243
parceladdr99.2%255,179
parcelcity99.4%255,616
parcelstate100%257,146
parcelzip99.9%256,912
legaldesc<0.1%0
township<0.1%0
section<0.1%0
qtrsection<0.1%0
range<0.1%0
plssdesc<0.1%0
book<0.1%1
page<0.1%1
block<0.1%2
lot<0.1%2
parceltype1.2%3,113
accesstype1.2%3,113
iucnclass0.5%1,378
placename5.0%12,926
placetype4.6%11,794
firmid100%257,141
firmdate100%257,141
fldzone100%257,141
zonesubty96.6%248,286
staticbfe2.1%5,363
elevmin12.8%32,974
elevmax12.8%32,974
elevavg12.8%32,974
fireplaces<0.1%0
heating<0.1%0
heatfuel<0.1%0
cooling<0.1%0
foundation<0.1%0
roofcover<0.1%0
siding<0.1%0
bldgtype<0.1%0
naicscode9.7%24,901
frsid0.7%1,835
dfrurl0.7%1,835
caapermit0.7%1,835
cwapermit0.7%1,835
rcrapermit0.7%1,835
updated100%257,134
centroidx100%257,146
centroidy100%257,146
surfpointx100%257,146
surfpointy100%257,146
geom100%257,146
extras100%257,146
ownerlist<0.1%0

Schema mapping

How source columns from the acquired San Mateo County GIS layers map into the harmonized entity schemas and assemble into the published parcel table, alongside supplemented fields (elevation, flood zone) and deterministic columns.

Schema mapping — San Mateo County, California (06081) 1 entity · most recent acquisition per entity · generated 2026-07-25 direct column transformed (expression) geometry extras json supplemented determined ALL ENTITIES → FINAL PARCEL SCHEMA Harmonized entity columns assemble into publish.parcel_layer — matched by column name. Supplemented fields show their fill rate in this county. SOURCE COLUMNS HARMONIZED ENTITIES PUBLISH.PARCEL_LAYER PARCEL apn search_apn owner_firstname owner_lastname owner_st_number owner_st_dir owner_st_name owner_st_type owner_st_unit owner_city owner_state owner_zip site_st_number site_st_dir site_st_name site_st_type site_st_unit site_city site_state site_zip geom 7 cols ⇢ parcelid parcelid2 ownername owneraddr ownercity ownerstate ownerzip parceladdr parcelcity parcelstate parcelzip geom extras determined · ground truth 100% lrid 100% geoid 100% statefp 100% countyfp 100% countyname 100% cousubfp 100% cousubname 100% tractce 100% tractname 89.5% taxyear 100% updated geom · derived from geometry geom dem.us_1m · USGS 1m DEM 12.8% elevmin 12.8% elevmax 12.8% elevavg s_fld_haz_ar · FEMA NFHL 100% fldzone 96.6% zonesubty 2.1% staticbfe 100% firmdate 100% firmid supplemented · derived / other pipelines 88.9% usedesc 93.5% zoningcode 100% numbldgs 77.6% numunits 70.8% numfloors lrid parcelid parcelid2 ogparcelid ogparcelid2 geoid statefp countyfp countyname cousubfp cousubname tractce tractname taxyear usedesc zoningcode numbldgs numunits numfloors calcarea ownertype ownername owneraddr ownercity ownerstate ownerzip parceladdr parcelcity parcelstate parcelzip firmid firmdate fldzone zonesubty staticbfe elevmin elevmax elevavg updated centroidx centroidy surfpointx surfpointy geom extras publish.parcel_layer columns not fed by these sources (48) — empty or below 50% fill in this county parentid, stackid, taxacctnum, taxdistrict, usecode, zoningdesc, yearbuilt, bldgsqft, bedrooms, halfbaths, fullbaths, imprvalue, landvalue agvalue, totalvalue, taxacres, saleamt, saledate, legaldesc, township, section, qtrsection, range, plssdesc, book, page, block, lot, parceltype accesstype, iucnclass, placename, placetype, fireplaces, heating, heatfuel, cooling, foundation, roofcover, siding, bldgtype, naicscode, frsid dfrurl, caapermit, cwapermit, rcrapermit, ownerlist PARCEL 12 mapped · 3 transformed · 7 kept in extras · 42 unmapped (NULL) SOURCE COLUMNS HARMONIZED → PARCEL apn search_apn owner_firstname owner_lastname owner_st_number owner_st_dir owner_st_name owner_st_type owner_st_unit owner_city owner_state owner_zip site_st_number site_st_dir site_st_name site_st_type site_st_unit site_city site_state site_zip geom parcelid parcelid2 ownername CAST(COALESCE(owner_firstname, '') || ' ' || COALESCE(owner_las… owneraddr CAST(COALESCE(owner_st_number, '') || ' ' || COALESCE(owner_st_… ownercity ownerstate ownerzip parceladdr CAST(COALESCE(site_st_number, '') || ' ' || COALESCE(site_st_di… parcelcity parcelstate parcelzip geom extras · 7 source columns preserved as json site_st_post_dir, clientid, shape_starea__, shape_stlength__ stagingid, oldglobalid, globalid extras not present in source — filled with NULL (42) taxacctnum, taxyear, usecode, usedesc, zoningcode, zoningdesc, numbldgs, numunits, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths fullbaths, imprvalue, landvalue, agvalue, totalvalue, taxacres, saleamt, saledate, legaldesc, township, section, qtrsection, range, plssdesc book, page, block, lot, updated, sourceurl, taxdistrict, parentid, fireplaces, heating, cooling, foundation, roofcover, siding, heatfuel

Neighboring counties

Parcel data for counties bordering San Mateo County:

Frequently asked questions

Where can I find San Mateo County, CA parcel and GIS data?

Land Records publishes a San Mateo County, CA parcel dataset in which every parcel carries its boundary polygon (GIS geometry) along with ownership, assessed value, land use, acreage, and sale history. Preview it in the interactive explorer on this page, or download the full San Mateo County, CA dataset as a GeoPackage or CSV.

How many parcels are in San Mateo County, CA?

The current dataset contains 257,146 parcel records for San Mateo County, CA, each with its boundary geometry and assessor attributes.

What is the FIPS code for San Mateo County, CA?

The FIPS code for San Mateo County, CA is 06081.

What information does each San Mateo County, CA parcel record include?

Each San Mateo County, CA parcel record includes the parcel ID/APN, owner name and mailing address, situs (property) address, assessed land and improvement values, acreage, land-use and zoning codes, year built, and the most recent sale price and date — plus the parcel boundary polygon. Per-attribute fill rates are listed in the coverage table on this page.

Is San Mateo County, CA parcel data free?

You can preview San Mateo County, CA parcels for free in the interactive explorer. The complete dataset is available as a one-time download or through the nationwide parcel web service; see the download options on this page for current pricing.

Does San Mateo County, CA have an official GIS or property records website?

Yes — the official San Mateo County, CA government website is linked in the county details above. Land Records standardizes San Mateo County, CA assessor and recorder records into a single nationwide parcel schema with GIS boundary geometry.

On this page

Attribute coverageSchema mappingNeighboring countiesFAQRelated
San Mateo County, CA Parcels & GIS Data — Property Records & Maps | Land Records