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Loudoun County, VA Parcels & GIS Data

Loudoun County, VA parcel data: 132,189 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Loudoun County, Virginia parcel data covering 132,189 property records.

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

Loudoun County is in the northern part of the Commonwealth of Virginia in the United States. In 2020, the census returned a population of 420,959, making it Virginia's third-most populous county. The county seat is Leesburg. Loudoun County is part of the Washington–Arlington–Alexandria, DC–VA–MD–WV Metropolitan Statistical Area.

FIPS 51107

Official county website: http://www.loudoun.gov/

The FIPS code for Loudoun County is 51107.

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Attribute coverage

Loudoun County contains 132,189 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL).

ColumnCoverageRecords populated
lrid100%132,189
parcelid99.9%132,074
parcelid299.9%132,099
ogparcelid99.9%132,108
ogparcelid299.9%132,099
parentid<0.1%0
stackid<0.1%0
geoid100%132,189
statefp100%132,189
countyfp100%132,189
countyname100%132,189
cousubfp100%132,189
cousubname100%132,189
tractce100%132,189
tractname100%132,189
taxacctnum100%132,133
taxyear<0.1%0
taxdistrict99.9%132,088
usecode<0.1%8
usedesc<0.1%2
zoningcode<0.1%0
zoningdesc<0.1%0
numbldgs92.4%122,180
numunits<0.1%0
yearbuilt<0.1%0
numfloors<0.1%0
bldgsqft<0.1%0
bedrooms<0.1%0
halfbaths<0.1%0
fullbaths<0.1%0
imprvalue<0.1%0
landvalue<0.1%2
agvalue<0.1%0
totalvalue<0.1%2
taxacres<0.1%30
calcarea100%132,189
saleamt<0.1%3
saledate<0.1%4
ownertype<0.1%13
ownername<0.1%17
owneraddr<0.1%15
ownercity<0.1%15
ownerstate<0.1%15
ownerzip<0.1%15
parceladdr99.3%131,244
parcelcity98.0%129,602
parcelstate100%132,189
parcelzip100%132,189
legaldesc<0.1%6
township<0.1%0
section<0.1%4
qtrsection<0.1%0
range<0.1%0
plssdesc<0.1%0
book<0.1%14
page<0.1%12
block<0.1%2
lot<0.1%6
parceltype1.0%1,378
accesstype1.0%1,378
iucnclass0.9%1,161
placename4.1%5,433
placetype4.0%5,350
firmid100%132,154
firmdate100%132,154
fldzone100%132,154
zonesubty99.3%131,238
staticbfe<0.1%6
elevmin99.6%131,717
elevmax99.6%131,717
elevavg99.6%131,717
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
naicscode4.1%5,434
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated99.9%132,109
centroidx100%132,189
centroidy100%132,189
surfpointx100%132,189
surfpointy100%132,189
geom100%132,189
extras100%132,172
ownerlist<0.1%0

Schema mapping

How source columns from the acquired Loudoun 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 — Loudoun County, Virginia (51107) 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 parcelid vgin_qpid ptm_id lastupdate geom locality 3 cols ⇢ parcelid parcelid2 taxacctnum updated geom taxdistrict extras determined · ground truth 100% lrid 100% geoid 100% statefp 100% countyfp 100% countyname 100% cousubfp 100% cousubname 100% tractce 100% tractname geom · derived from geometry geom dem.us_1m · USGS 1m DEM 100% elevmin 100% elevmax 100% elevavg s_fld_haz_ar · FEMA NFHL 100% fldzone 99.3% zonesubty 0.0% staticbfe 100% firmdate 100% firmid supplemented · derived / other pipelines 92.4% numbldgs 99.3% parceladdr 98.0% parcelcity 100% parcelstate 100% parcelzip lrid parcelid parcelid2 ogparcelid ogparcelid2 geoid statefp countyfp countyname cousubfp cousubname tractce tractname taxacctnum taxdistrict numbldgs calcarea parceladdr parcelcity parcelstate parcelzip firmid firmdate fldzone zonesubty staticbfe elevmin elevmax elevavg updated centroidx centroidy surfpointx surfpointy geom extras publish.parcel_layer columns not fed by these sources (57) — empty or below 50% fill in this county parentid, stackid, taxyear, usecode, usedesc, zoningcode, zoningdesc, numunits, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths, fullbaths imprvalue, landvalue, agvalue, totalvalue, taxacres, saleamt, saledate, ownertype, ownername, owneraddr, ownercity, ownerstate, ownerzip 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 ownerlist PARCEL 6 mapped · 3 kept in extras · 48 unmapped (NULL) SOURCE COLUMNS HARMONIZED → PARCEL parcelid vgin_qpid ptm_id lastupdate geom locality parcelid parcelid2 taxacctnum updated geom taxdistrict extras · 3 source columns preserved as json shape_starea__, shape_stlength__, fips extras not present in source — filled with NULL (48) taxyear, usecode, usedesc, zoningcode, zoningdesc, numbldgs, numunits, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths, fullbaths imprvalue, landvalue, agvalue, totalvalue, taxacres, saleamt, saledate, ownername, owneraddr, ownercity, ownerstate, ownerzip, parceladdr parcelcity, parcelstate, parcelzip, legaldesc, township, section, qtrsection, range, plssdesc, book, page, block, lot, sourceurl, parentid fireplaces, heating, cooling, foundation, roofcover, siding, heatfuel

Neighboring counties

Parcel data for counties bordering Loudoun County:

Frequently asked questions

Where can I find Loudoun County, VA parcel and GIS data?

Land Records publishes a Loudoun County, VA 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 Loudoun County, VA dataset as a GeoPackage or CSV.

How many parcels are in Loudoun County, VA?

The current dataset contains 132,189 parcel records for Loudoun County, VA, each with its boundary geometry and assessor attributes.

What is the FIPS code for Loudoun County, VA?

The FIPS code for Loudoun County, VA is 51107.

What information does each Loudoun County, VA parcel record include?

Each Loudoun County, VA 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 Loudoun County, VA parcel data free?

You can preview Loudoun County, VA 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 Loudoun County, VA have an official GIS or property records website?

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

On this page

Attribute coverageSchema mappingNeighboring countiesFAQRelated