Loudoun County, VA - Official Website
Welcome to the official Loudoun County, Virginia government website.
History of Loudoun County - Official Website
Read a brief history of Loudoun County. History Loudoun County constitutes a part of the 5-million-acre Northern Neck of Virginia Proprietary granted by King Charles II of England to seven noblemen in …
Loudoun County - Property Address Search
Data Current as of January 08, 2026 iasWorld
Mental Health, Substance Abuse & Developmental Services
Acquire resources and information on developmental, substance abuse, and mental health services.
Real Estate Taxes | Loudoun County, VA - Official Website
Find information on real estate assessments. Public record information on land parcels and real property is searchable by address, parcel identifier (PIN), tax map number, or a combination of criteria. …
Loudoun County Mapping GIS
2 days ago · Loudoun County, Virginia. WebLogis - Online Mapping System. GeoHub and GIS Open Data Check out our apps and download our data. Planning, Economic Development, Public Safety, …
Government | Loudoun County, VA - Official Website
Loudoun County Government Mailing Address: P.O. Box 7000, Leesburg, VA 20177 Phone: 703-777-0100 Government Center Location: 1 Harrison St. SE, Leesburg, VA 20175
LandMARC: Land Management, Applications, Research, Coordination
LandMARC is the county's online land management system. Through an online portal, customers can: Submit permit, land development and legislative land use applications Submit electronic copies of …
Data Centers in Loudoun County
Loudoun County is home to one of the largest concentrations of data centers in the world through which much of the world's internet traffic passes every day. The industry has helped to diversify Loudoun …
Taxes in Loudoun County | Loudoun County, VA - Official Website
The Loudoun County Office of the Treasurer is aware of an issue affecting some online e-check payments and is actively working with the county’s payment processor to resolve this issue. Read more.