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Sonoma County, CA Parcels & GIS Data

Sonoma County, CA parcel data: 189,233 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Sonoma County, California parcel data covering 189,233 property records.

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

Sonoma County is a county located in the northern part of the U.S. state of California. As of the 2020 United States census, its population was 488,863. Its seat of government and largest city is Santa Rosa.

FIPS 06097

Official county website: https://sonomacounty.gov/

The FIPS code for Sonoma County is 06097.

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Attribute coverage

Sonoma County contains 189,233 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL).

ColumnCoverageRecords populated
lrid100%189,233
parcelid100%189,233
parcelid2<0.1%12
ogparcelid100%189,233
ogparcelid2<0.1%12
parentid<0.1%0
stackid<0.1%0
geoid100%189,233
statefp100%189,233
countyfp100%189,233
countyname100%189,233
cousubfp100%189,233
cousubname100%189,233
tractce100%189,233
tractname100%189,233
taxacctnum99.6%188,543
taxyear94.8%179,365
taxdistrict99.6%188,559
usecode100%189,233
usedesc99.7%188,578
zoningcode98.3%186,101
zoningdesc98.3%186,026
numbldgs100%189,231
numunits86.9%164,481
yearbuilt83.4%157,849
numfloors82.9%156,876
bldgsqft99.0%187,294
bedrooms96.7%182,996
halfbaths96.7%182,996
fullbaths96.7%182,996
imprvalue93.6%177,038
landvalue94.9%179,599
agvalue92.3%174,652
totalvalue94.9%179,599
taxacres99.6%188,472
calcarea100%189,233
saleamt71.7%135,614
saledate84.7%160,355
ownertype98.5%186,454
ownername95.4%180,455
owneraddr95.0%179,817
ownercity94.9%179,558
ownerstate94.9%179,580
ownerzip94.9%179,659
parceladdr100%189,183
parcelcity100%189,212
parcelstate100%189,233
parcelzip100%189,224
legaldesc70.8%134,019
township<0.1%0
section<0.1%0
qtrsection<0.1%0
range<0.1%0
plssdesc<0.1%0
book99.6%188,547
page<0.1%0
block<0.1%0
lot<0.1%0
parceltype1.5%2,754
accesstype1.5%2,754
iucnclass0.4%713
placename5.7%10,856
placetype5.7%10,708
firmid100%189,233
firmdate100%189,233
fldzone100%189,233
zonesubty93.5%176,843
staticbfe0.2%466
elevmin98.8%186,958
elevmax98.8%186,958
elevavg98.8%186,958
fireplaces73.3%138,688
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
naicscode8.2%15,503
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated100%189,232
centroidx100%189,233
centroidy100%189,233
surfpointx100%189,233
surfpointy100%189,233
geom100%189,233
extras100%189,233
ownerlist<0.1%0

Schema mapping

How source columns from the acquired Sonoma 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 — Sonoma County, California (06097) 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 type pocity last_edited_date url geom 10 cols ⇢ parcelid usecode parcelcity updated sourceurl geom extras determined · ground truth 100% lrid 100% geoid 100% statefp 100% countyfp 100% countyname 100% cousubfp 100% cousubname 100% tractce 100% tractname 94.8% taxyear geom · derived from geometry geom dem.us_1m · USGS 1m DEM 98.8% elevmin 98.8% elevmax 98.8% elevavg s_fld_haz_ar · FEMA NFHL 100% fldzone 93.5% zonesubty 0.2% staticbfe 100% firmdate 100% firmid supplemented · derived / other pipelines 100% taxacctnum 100% taxdistrict 100% usedesc 98.3% zoningcode 98.3% zoningdesc 100% numbldgs 86.9% numunits 83.4% yearbuilt 82.9% numfloors 99.0% bldgsqft 96.7% bedrooms 96.7% halfbaths 96.7% fullbaths 93.6% imprvalue 94.9% landvalue 92.3% agvalue 94.9% totalvalue 100% taxacres 71.7% saleamt 84.7% saledate 98.5% ownertype 95.4% ownername 95.0% owneraddr 94.9% ownercity 94.9% ownerstate 94.9% ownerzip 100% parceladdr 100% parcelstate 100% parcelzip 70.8% legaldesc 100% book 73.3% fireplaces lrid parcelid ogparcelid geoid statefp countyfp countyname cousubfp cousubname tractce tractname taxacctnum taxyear taxdistrict usecode usedesc zoningcode zoningdesc numbldgs numunits yearbuilt numfloors bldgsqft bedrooms halfbaths fullbaths imprvalue landvalue agvalue totalvalue taxacres calcarea saleamt saledate ownertype ownername owneraddr ownercity ownerstate ownerzip parceladdr parcelcity parcelstate parcelzip legaldesc book firmid firmdate fldzone zonesubty staticbfe elevmin elevmax elevavg fireplaces updated centroidx centroidy surfpointx surfpointy geom extras publish.parcel_layer columns not fed by these sources (31) — empty or below 50% fill in this county parcelid2, ogparcelid2, parentid, stackid, township, section, qtrsection, range, plssdesc, page, block, lot, parceltype, accesstype, iucnclass placename, placetype, heating, heatfuel, cooling, foundation, roofcover, siding, bldgtype, naicscode, frsid, dfrurl, caapermit, cwapermit rcrapermit, ownerlist PARCEL 6 mapped · 10 kept in extras · 48 unmapped (NULL) SOURCE COLUMNS HARMONIZED → PARCEL apn type pocity last_edited_date url geom parcelid usecode parcelcity updated sourceurl geom extras · 10 source columns preserved as json levelnum, citytype, soi, ugb, supnum, supervisor, xcoord ycoord, lat, long extras not present in source — filled with NULL (48) parcelid2, taxacctnum, taxyear, usedesc, zoningcode, zoningdesc, numbldgs, numunits, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths fullbaths, imprvalue, landvalue, agvalue, totalvalue, taxacres, saleamt, saledate, ownername, owneraddr, ownercity, ownerstate, ownerzip parceladdr, parcelstate, parcelzip, legaldesc, township, section, qtrsection, range, plssdesc, book, page, block, lot, taxdistrict, parentid fireplaces, heating, cooling, foundation, roofcover, siding, heatfuel

Neighboring counties

Parcel data for counties bordering Sonoma County:

Frequently asked questions

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

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

How many parcels are in Sonoma County, CA?

The current dataset contains 189,233 parcel records for Sonoma County, CA, each with its boundary geometry and assessor attributes.

What is the FIPS code for Sonoma County, CA?

The FIPS code for Sonoma County, CA is 06097.

What information does each Sonoma County, CA parcel record include?

Each Sonoma 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 Sonoma County, CA parcel data free?

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

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

On this page

Attribute coverageSchema mappingNeighboring countiesFAQRelated