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Contra Costa County, CA Parcels & GIS Data

Contra Costa County, CA parcel data: 407,399 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 407,399 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 407,399 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL).

ColumnCoverageRecords populated
lrid100%407,399
parcelid99.9%407,195
parcelid298.2%400,081
ogparcelid100%407,399
ogparcelid298.2%400,081
parentid<0.1%0
stackid<0.1%0
geoid100%407,399
statefp100%407,399
countyfp100%407,399
countyname100%407,399
cousubfp100%407,399
cousubname100%407,399
tractce100%407,399
tractname100%407,399
taxacctnum<0.1%4
taxyear42.6%173,537
taxdistrict92.9%378,551
usecode95.4%388,456
usedesc90.0%366,650
zoningcode90.1%367,098
zoningdesc90.1%367,098
numbldgs100%407,390
numunits93.0%378,948
yearbuilt84.5%344,400
numfloors33.2%135,340
bldgsqft92.9%378,546
bedrooms81.4%331,532
halfbaths<0.1%0
fullbaths92.9%378,546
imprvalue88.7%361,172
landvalue93.0%378,807
agvalue88.6%361,147
totalvalue88.7%361,370
taxacres<0.1%5
calcarea100%407,399
saleamt<0.1%0
saledate89.8%365,717
ownertype93.8%382,129
ownername91.4%372,548
owneraddr99.7%406,166
ownercity99.7%406,209
ownerstate94.3%384,266
ownerzip100%407,340
parceladdr99.8%406,674
parcelcity100%407,327
parcelstate100%407,399
parcelzip100%407,399
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%58
page<0.1%58
block<0.1%58
lot<0.1%5
parceltype0.9%3,564
accesstype0.9%3,564
iucnclass0.1%565
placename4.5%18,448
placetype4.5%18,235
firmid100%407,399
firmdate100%407,399
fldzone100%407,399
zonesubty97.5%397,406
staticbfe1.0%3,931
elevmin65.7%267,569
elevmax65.7%267,569
elevavg65.7%267,569
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%40,438
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated100%407,340
centroidx100%407,399
centroidy100%407,399
surfpointx100%407,399
surfpointy100%407,399
geom100%407,399
extras100%407,399
lrversion100%407,399

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 2026-07-18 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 100% lrversion 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 95.4% 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 88.7% imprvalue 93.0% landvalue 88.6% agvalue 88.7% totalvalue 89.8% saledate 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 firmid firmdate fldzone zonesubty staticbfe elevmin elevmax elevavg updated centroidx centroidy surfpointx surfpointy geom extras lrversion publish.parcel_layer columns not fed by these sources (36) — empty or below 50% fill in this county parentid, stackid, taxacctnum, numfloors, halfbaths, taxacres, saleamt, 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 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 407,399 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