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Contra Costa County, CA Parcels & GIS Data

Contra Costa County, CA parcel data: 407,366 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Contra Costa County, California parcel data covering 407,366 property records.

This page documents parcel-level coverage for Contra Costa 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 Contra Costa County are listed in the attribute-coverage table below. Preview the data in the interactive explorer, or download the complete Contra Costa County property dataset.

Contra Costa County is a county located in the U.S. state of California, in the East Bay of the San Francisco Bay Area. As of the 2020 United States census, the population was 1,165,927. The county seat is Martinez.

FIPS 06013

Official county website: http://www.contracosta.ca.gov

The FIPS code for Contra Costa County is 06013.

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Attribute coverage

Contra Costa County contains 407,366 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL).

ColumnCoverageRecords populated
lrid100%407,366
parcelid99.9%407,159
parcelid298.2%400,048
ogparcelid100%407,366
ogparcelid298.2%400,048
parentid<0.1%0
stackid<0.1%0
geoid100%407,366
statefp100%407,366
countyfp100%407,366
countyname100%407,366
cousubfp100%407,366
cousubname100%407,366
tractce100%407,366
tractname100%407,366
taxacctnum<0.1%0
taxyear42.6%173,535
taxdistrict92.9%378,572
usecode95.3%388,423
usedesc90.0%366,658
zoningcode90.1%367,107
zoningdesc90.1%367,107
numbldgs100%407,366
numunits93.0%378,923
yearbuilt84.5%344,401
numfloors33.2%135,340
bldgsqft92.9%378,572
bedrooms81.4%331,532
halfbaths<0.1%0
fullbaths92.9%378,572
imprvalue88.6%361,108
landvalue93.0%378,775
agvalue88.7%361,131
totalvalue88.7%361,328
taxacres<0.1%0
calcarea100%407,366
saleamt<0.1%0
saledate89.8%365,725
ownertype93.8%382,133
ownername91.5%372,552
owneraddr99.7%406,184
ownercity99.7%406,227
ownerstate94.3%384,270
ownerzip100%407,361
parceladdr99.8%406,668
parcelcity100%407,291
parcelstate100%407,366
parcelzip100%407,366
legaldesc<0.1%0
township98.0%399,359
section98.0%399,359
qtrsection98.0%399,359
range98.0%399,359
plssdesc98.0%399,359
book<0.1%0
page<0.1%0
block<0.1%0
lot<0.1%0
parceltype0.9%3,566
accesstype0.9%3,566
iucnclass0.1%567
placename4.5%18,450
placetype4.5%18,237
firmid100%407,366
firmdate100%407,366
fldzone100%407,366
zonesubty97.5%397,365
staticbfe1.0%3,933
elevmin65.7%267,581
elevmax65.7%267,581
elevavg65.7%267,581
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
naicscode9.9%40,446
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated100%407,366
centroidx100%407,366
centroidy100%407,366
surfpointx100%407,366
surfpointy100%407,366
geom100%407,366
extras100%407,366
ownerlist91.4%372,328
placefp98.5%401,353
zoningurl<0.1%0

Schema mapping

How source columns from the acquired Contra Costa 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 — Contra Costa County, California (06013) 1 entity · most recent acquisition per entity · generated 2026-08-30 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 42.6% taxyear 100% updated geom · derived from geometry geom dem.us_1m · USGS 1m DEM 65.7% elevmin 65.7% elevmax 65.7% elevavg s_fld_haz_ar · FEMA NFHL 100% fldzone 97.5% zonesubty 1.0% staticbfe 100% firmdate 100% firmid supplemented · derived / other pipelines 92.9% taxdistrict 95.3% usecode 90.0% usedesc 90.1% zoningcode 90.1% zoningdesc 100% numbldgs 93.0% numunits 84.5% yearbuilt 92.9% bldgsqft 81.4% bedrooms 92.9% fullbaths 88.6% imprvalue 93.0% landvalue 88.7% agvalue 88.7% totalvalue 89.8% saledate 98.0% township 98.0% section 98.0% qtrsection 98.0% range 98.0% plssdesc 91.4% ownerlist 98.5% placefp lrid parcelid parcelid2 ogparcelid ogparcelid2 geoid statefp countyfp countyname cousubfp cousubname tractce tractname taxyear taxdistrict usecode usedesc zoningcode zoningdesc numbldgs numunits yearbuilt bldgsqft bedrooms fullbaths imprvalue landvalue agvalue totalvalue calcarea saledate ownertype ownername owneraddr ownercity ownerstate ownerzip parceladdr parcelcity parcelstate parcelzip township section qtrsection range plssdesc firmid firmdate fldzone zonesubty staticbfe elevmin elevmax elevavg updated centroidx centroidy surfpointx surfpointy geom extras ownerlist placefp publish.parcel_layer columns not fed by these sources (32) — empty or below 50% fill in this county parentid, stackid, taxacctnum, numfloors, halfbaths, taxacres, saleamt, legaldesc, book, page, block, lot, parceltype, accesstype, iucnclass placename, placetype, fireplaces, heating, heatfuel, cooling, foundation, roofcover, siding, bldgtype, naicscode, frsid, dfrurl, caapermit cwapermit, rcrapermit, zoningurl 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 Contra Costa County:

Frequently asked questions

Where can I find Contra Costa County, CA parcel and GIS data?

Land Records publishes a Contra Costa 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 Contra Costa County, CA dataset as a GeoPackage or CSV.

How many parcels are in Contra Costa County, CA?

The current dataset contains 407,366 parcel records for Contra Costa County, CA, each with its boundary geometry and assessor attributes.

What is the FIPS code for Contra Costa County, CA?

The FIPS code for Contra Costa County, CA is 06013.

What information does each Contra Costa County, CA parcel record include?

Each Contra Costa 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 Contra Costa County, CA parcel data free?

You can preview Contra Costa 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 Contra Costa County, CA have an official GIS or property records website?

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

On this page

Attribute coverageSchema mappingNeighboring countiesFAQRelated