How many parcels does Placestack have for Loudoun County?

132,864 parcels for Loudoun County, Virginia, last updated Oct 5, 2026.

What does a Loudoun County parcel record include?

The parcel number and boundary, owners of record and their mailing address, assessed and market value, the most recent sale, lot size, land use, the main building and the legal description.

How do I get Loudoun County parcel data?

Through Explorer, the API or the MCP server.

Loudoun County, VA parcel data

Parcels: 132,864
Last updated: Oct 5, 2026

What each Loudoun County parcel record includes

Parcel number and boundary
Owners of record and mailing address
Assessed and market value
Most recent sale: price, date and deed
Lot size, land use and property class
Building: year built, area and units
Legal description
Zoning district

Example parcel · Loudoun County2.14 ac

Parcel number0651-45-8213

Owner of recordExample Holdings LLC

Market value 2026$486,300

Last sale$412,000 · 2021

Land useSingle family

Year built1998

Get Loudoun County parcel data through the API

Search by address, owner, lot size, value or sale date.

Get an API key Read the API docs

Terminal

curl -G 'https://api.placestack.com/v1/parcel' \
  -H "Authorization: Bearer $PLACESTACK_API_KEY" \
  --data-urlencode 'fips=51107'

Frequently asked questions

How many parcels does Placestack have for Loudoun County?: 132,864 parcels for Loudoun County, Virginia, last updated Oct 5, 2026.
What does a Loudoun County parcel record include?: The parcel number and boundary, owners of record and their mailing address, assessed and market value, the most recent sale, lot size, land use, the main building and the legal description.
How do I get Loudoun County parcel data?: Through Explorer, the API or the MCP server.

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