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Tuolumne County, CA Parcels & GIS Data

Tuolumne County, CA parcel data: 43,190 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Tuolumne County, California parcel data covering 43,190 property records.

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

Tuolumne County, officially the County of Tuolumne, is a county located in the U.S. state of California. As of the 2020 census, the population was 55,620. The county seat and only incorporated city is Sonora.

FIPS 06109

Official county website: https://tuolumne.maps.arcgis.com/

The FIPS code for Tuolumne County is 06109.

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Attribute coverage

Tuolumne County contains 43,190 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL).

ColumnCoverageRecords populated
lrid100%43,190
parcelid95.8%41,393
parcelid295.8%41,393
ogparcelid95.8%41,393
ogparcelid295.8%41,393
parentid<0.1%0
stackid<0.1%0
geoid100%43,190
statefp100%43,190
countyfp100%43,190
countyname100%43,190
cousubfp100%43,190
cousubname100%43,190
tractce100%43,190
tractname100%43,190
taxacctnum92.9%40,114
taxyear1.7%729
taxdistrict95.8%41,393
usecode95.8%41,393
usedesc2.4%1,041
zoningcode100%43,186
zoningdesc2.9%1,258
numbldgs99.8%43,105
numunits1.5%652
yearbuilt1.3%582
numfloors1.3%563
bldgsqft1.4%612
bedrooms1.2%505
halfbaths2.5%1,065
fullbaths2.5%1,065
imprvalue1.9%820
landvalue2.1%904
agvalue1.5%639
totalvalue2.1%904
taxacres2.5%1,060
calcarea100%43,190
saleamt0.9%383
saledate1.2%531
ownertype3.0%1,278
ownername3.0%1,278
owneraddr2.7%1,185
ownercity2.7%1,182
ownerstate2.7%1,184
ownerzip2.7%1,185
parceladdr100%43,189
parcelcity99.1%42,798
parcelstate100%43,190
parcelzip95.6%41,272
legaldesc94.7%40,891
township99.9%43,151
section99.9%43,151
qtrsection99.9%43,151
range99.9%43,151
plssdesc99.9%43,151
book<0.1%0
page<0.1%0
block<0.1%0
lot<0.1%0
parceltype9.9%4,255
accesstype9.9%4,255
iucnclass9.3%4,006
placename12.4%5,364
placetype12.4%5,336
firmid100%43,190
firmdate100%43,190
fldzone100%43,190
zonesubty80.7%34,864
staticbfe<0.1%0
elevmin93.0%40,176
elevmax93.0%40,176
elevavg93.0%40,176
fireplaces0.8%365
heating0.6%254
heatfuel0.3%117
cooling1.2%536
foundation<0.1%0
roofcover<0.1%0
siding1.2%510
bldgtype<0.1%0
naicscode12.7%5,470
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated3.0%1,279
centroidx100%43,190
centroidy100%43,190
surfpointx100%43,190
surfpointy100%43,190
geom100%43,190
extras100%43,190
ownerlist3.0%1,277
placefp58.3%25,180
zoningurl<0.1%0

Schema mapping

How source columns from the acquired Tuolumne 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 — Tuolumne County, California (06109) 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_formatted feeparcel asmt landuse1 zoning situsconcat situsstreetcommunity situsstreetzip ordinances ordinancelinkpro geom tra 8 cols ⇢ parcelid parcelid2 taxacctnum usecode zoningcode parceladdr parcelcity parcelzip legaldesc sourceurl geom taxdistrict extras determined · ground truth 100% lrid 100% geoid 100% statefp 100% countyfp 100% countyname 100% cousubfp 100% cousubname 100% tractce 100% tractname 1.7% taxyear 3.0% updated geom · derived from geometry geom dem.us_1m · USGS 1m DEM 93.0% elevmin 93.0% elevmax 93.0% elevavg s_fld_haz_ar · FEMA NFHL 100% fldzone 80.7% zonesubty 100% firmdate 100% firmid supplemented · derived / other pipelines 100% numbldgs 100% parcelstate 100% township 100% section 100% qtrsection 100% range 100% plssdesc 58.3% placefp lrid parcelid parcelid2 ogparcelid ogparcelid2 geoid statefp countyfp countyname cousubfp cousubname tractce tractname taxacctnum taxyear taxdistrict usecode zoningcode numbldgs calcarea parceladdr parcelcity parcelstate parcelzip legaldesc township section qtrsection range plssdesc firmid firmdate fldzone zonesubty elevmin elevmax elevavg updated centroidx centroidy surfpointx surfpointy geom extras placefp publish.parcel_layer columns not fed by these sources (50) — empty or below 50% fill in this county parentid, stackid, usedesc, zoningdesc, numunits, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths, fullbaths, imprvalue, landvalue, agvalue totalvalue, taxacres, saleamt, saledate, ownertype, ownername, owneraddr, ownercity, ownerstate, ownerzip, book, page, block, lot, parceltype accesstype, iucnclass, placename, placetype, staticbfe, fireplaces, heating, heatfuel, cooling, foundation, roofcover, siding, bldgtype naicscode, frsid, dfrurl, caapermit, cwapermit, rcrapermit, ownerlist, zoningurl PARCEL 12 mapped · 8 kept in extras · 42 unmapped (NULL) SOURCE COLUMNS HARMONIZED → PARCEL apn_formatted feeparcel asmt landuse1 zoning situsconcat situsstreetcommunity situsstreetzip ordinances ordinancelinkpro geom tra parcelid parcelid2 taxacctnum usecode zoningcode parceladdr parcelcity parcelzip legaldesc sourceurl geom taxdistrict extras · 8 source columns preserved as json apn, prefix, globalid, situsstreetnum, situsstreetname situsstreettype, situsstreetdirection, situsspaceapt extras not present in source — filled with NULL (42) taxyear, usedesc, zoningdesc, numbldgs, numunits, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths, fullbaths, imprvalue, landvalue, agvalue totalvalue, taxacres, saleamt, saledate, ownername, owneraddr, ownercity, ownerstate, ownerzip, parcelstate, township, section, qtrsection range, plssdesc, book, page, block, lot, updated, parentid, fireplaces, heating, cooling, foundation, roofcover, siding, heatfuel

Neighboring counties

Parcel data for counties bordering Tuolumne County:

Frequently asked questions

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

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

How many parcels are in Tuolumne County, CA?

The current dataset contains 43,190 parcel records for Tuolumne County, CA, each with its boundary geometry and assessor attributes.

What is the FIPS code for Tuolumne County, CA?

The FIPS code for Tuolumne County, CA is 06109.

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

Each Tuolumne 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 Tuolumne County, CA parcel data free?

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

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

On this page

Attribute coverageSchema mappingNeighboring countiesFAQRelated