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Williamson County, TN Parcels & GIS Data

Williamson County, TN parcel data: 107,160 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Williamson County, Tennessee parcel data covering 107,160 property records.

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

Williamson County is a county in the U.S. state of Tennessee. As of the 2020 United States census, the population was 247,726. The county seat is Franklin, and the county is located in Middle Tennessee.

FIPS 47187

Official county website: http://williamsoncounty-tn.gov

The FIPS code for Williamson County is 47187.

ExploreBuyDownload Williamson County data
MarshallMauryHickmanRutherfordDavidsonDicksonCheathamWilliamson

Attribute coverage

Williamson County contains 107,160 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL). For the LBCS columns, only real classifications count: the to-be-determined and not-applicable placeholder codes are excluded.

ColumnCoverageRecords populated
lrid100%107,160
parcelid100%107,159
parcelid2100%107,160
ogparcelid100%107,160
ogparcelid2100%107,160
parentid<0.1%0
stackid<0.1%0
geoid100%107,160
statefp100%107,160
countyfp100%107,160
countyname100%107,160
cousubfp100%107,160
cousubname100%107,160
tractce100%107,160
tractname100%107,160
taxacctnum<0.1%0
taxyear100%107,160
taxdistrict100%107,160
usecode100%107,160
usedesc34.0%36,437
zoningcode27.8%29,751
zoningdesc27.2%29,136
numbldgs100%107,160
numunits87.4%93,688
yearbuilt<0.1%0
numfloors0.2%257
bldgsqft100%107,160
bedrooms<0.1%0
halfbaths<0.1%0
fullbaths<0.1%0
imprvalue95.7%102,601
landvalue97.8%104,836
agvalue<0.1%0
totalvalue97.8%104,837
taxacres100%107,160
calcarea100%107,160
saleamt67.3%72,117
saledate88.9%95,275
ownertype99.7%106,876
ownername99.7%106,876
owneraddr99.7%106,865
ownercity99.7%106,876
ownerstate99.7%106,869
ownerzip99.7%106,875
parceladdr99.7%106,874
parcelcity99.7%106,876
parcelstate100%107,160
parcelzip100%107,160
legaldesc<0.1%0
township<0.1%0
section<0.1%0
qtrsection<0.1%0
range<0.1%0
plssdesc<0.1%0
book100%107,160
page100%107,160
block<0.1%0
lot<0.1%0
parceltype0.2%267
accesstype0.2%267
iucnclass0.1%127
placename3.7%4,015
placetype3.7%3,935
firmid100%107,158
firmdate100%107,158
fldzone100%107,158
zonesubty92.1%98,664
staticbfe<0.1%1
elevmin99.5%106,619
elevmax99.5%106,619
elevavg99.5%106,619
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
naicscode10.0%10,721
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated100%107,160
centroidx100%107,160
centroidy100%107,160
surfpointx100%107,160
surfpointy100%107,160
geom100%107,160
extras100%107,160
ownerlist99.7%106,855
placefp73.0%78,198
zoningurl27.7%29,642
lbcsactivity58.2%62,403
lbcsfunction57.8%61,982
lbcstype49.5%53,021
lbcscharacter96.7%103,625
lbcsownership99.8%106,909
sourceurl100%107,160

Schema mapping

How source columns from the acquired Williamson 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 — Williamson County, Tennessee (47187) 2 entities · most recent acquisition per entity · generated 2026-10-10 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 parcel_id lrsn property_t imp_assess land_asses total_asse ac calculated consider_1 pxfer_da_1 ownername1 ownername2 owneraddre ownercity ownerstate ownerzip situs city deed_boo_1 deed_pag_1 geom name gislink parcel_t globalid countyid county neighborho pxfer_date deed_book deed_page considerat sqft_asses imp_val land_marke total_mark acc parcelid parcelid2 usecode imprvalue landvalue totalvalue taxacres saleamt saledate ownername owneraddr ownercity ownerstate ownerzip parceladdr parcelcity book page geom extras ZONING label zones geom zoningcode zoningdesc geom extras determined · ground truth 100% lrid 100% geoid 100% statefp 100% countyfp 100% countyname 100% cousubfp 100% cousubname 100% tractce 100% tractname 100% taxyear 100% updated geom · derived from geometry geom dem.us_1m · USGS 1m DEM 99.5% elevmin 99.5% elevmax 99.5% elevavg s_fld_haz_ar · FEMA NFHL 100% fldzone 92.1% zonesubty 0.0% staticbfe 100% firmdate 100% firmid supplemented · derived / other pipelines 100% taxdistrict 100% numbldgs 87.4% numunits 100% bldgsqft 100% parcelstate 100% parcelzip 100% ownerlist 73.0% placefp 58.2% lbcsactivity 57.8% lbcsfunction 96.7% lbcscharacter 100% lbcsownership 100% sourceurl lrid parcelid parcelid2 ogparcelid ogparcelid2 geoid statefp countyfp countyname cousubfp cousubname tractce tractname taxyear taxdistrict usecode zoningcode zoningdesc numbldgs numunits bldgsqft imprvalue landvalue totalvalue taxacres calcarea saleamt saledate ownertype ownername owneraddr ownercity ownerstate ownerzip parceladdr parcelcity parcelstate parcelzip book page firmid firmdate fldzone zonesubty staticbfe elevmin elevmax elevavg updated centroidx centroidy surfpointx surfpointy geom extras ownerlist placefp lbcsactivity lbcsfunction lbcscharacter lbcsownership sourceurl publish.parcel_layer columns not fed by these sources (39) — empty or below 50% fill in this county parentid, stackid, taxacctnum, usedesc, yearbuilt, numfloors, bedrooms, halfbaths, fullbaths, agvalue, legaldesc, township, section, qtrsection range, plssdesc, block, lot, parceltype, accesstype, iucnclass, placename, placetype, fireplaces, heating, heatfuel, cooling, foundation roofcover, siding, bldgtype, naicscode, frsid, dfrurl, caapermit, cwapermit, rcrapermit, zoningurl, lbcstype PARCEL 20 mapped · 16 transformed · 35 unmapped (NULL) SOURCE COLUMNS HARMONIZED → PARCEL parcel_id lrsn property_t imp_assess land_asses total_asse ac calculated consider_1 pxfer_da_1 ownername1 ownername2 owneraddre ownercity ownerstate ownerzip situs city deed_boo_1 deed_pag_1 geom name gislink parcel_t globalid countyid county neighborho pxfer_date deed_book deed_page considerat sqft_asses imp_val land_marke total_mark acc parcelid NULLIF(TRIM(parcel_id), '')::text parcelid2 NULLIF(lrsn, 0)::text usecode NULLIF(property_t, 0)::text imprvalue landvalue totalvalue taxacres COALESCE(NULLIF(ac, 0), NULLIF(calculated, 0))::text saleamt NULLIF(consider_1, 0)::text saledate to_timestamp(NULLIF(pxfer_da_1, 0) / 1000.0)::text::text ownername NULLIF(TRIM(concat_ws('; ', NULLIF(TRIM(ownername1), ''), NULLI… owneraddr NULLIF(TRIM(owneraddre), '')::text ownercity NULLIF(TRIM(ownercity), '')::text ownerstate NULLIF(TRIM(ownerstate), '')::text ownerzip NULLIF(TRIM(ownerzip), '')::text parceladdr NULLIF(TRIM(situs), '')::text parcelcity NULLIF(TRIM(city), '')::text book NULLIF(TRIM(deed_boo_1), '')::text page NULLIF(TRIM(deed_pag_1), '')::text geom extras ( json_build_object( 'name', NULLIF(TRIM(name), '')::text, 'gis… not present in source — filled with NULL (35) taxacctnum, taxyear, usedesc, zoningcode, zoningdesc, numbldgs, numunits, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths, fullbaths agvalue, parcelstate, parcelzip, legaldesc, township, section, qtrsection, range, plssdesc, block, lot, updated, sourceurl, taxdistrict parentid, heatfuel, fireplaces, heating, cooling, foundation, roofcover, siding ZONING 4 mapped · 3 transformed · 6 unmapped (NULL) SOURCE COLUMNS HARMONIZED → ZONING label zones geom zoningcode COALESCE(label::text, NULL::text) zoningdesc COALESCE(zones::text, NULL::text) geom extras json_build_object()::jsonb not present in source — filled with NULL (6) zoningtype, ordinance, setbacks, restrictions, notes, sourceurl

Neighboring counties

Parcel data for counties bordering Williamson County:

Frequently asked questions

Where can I find Williamson County, TN parcel and GIS data?

Land Records publishes a Williamson County, TN 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 Williamson County, TN dataset as a GeoPackage or CSV.

How many parcels are in Williamson County, TN?

The current dataset contains 107,160 parcel records for Williamson County, TN, each with its boundary geometry and assessor attributes.

What is the FIPS code for Williamson County, TN?

The FIPS code for Williamson County, TN is 47187.

What information does each Williamson County, TN parcel record include?

Each Williamson County, TN 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 Williamson County, TN parcel data free?

You can preview Williamson County, TN 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 Williamson County, TN have an official GIS or property records website?

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

On this page

Attribute coverageSchema mappingNeighboring countiesFAQRelated