Mapping & Geographic Information

Visiting Mapping & Geographic Information

  • Customers who are seeking in-person services may make an appointment online or get in the virtual line for the customer service counter in one of the following ways:
  • Self-service options, such as online application submission and contactless drop-off and pick up will remain on the first floor of the Government Center.
  • Call 703-771-5778 or email with questions or requests.
  • Address applications and checklists can be downloaded at loudoun.gov/omagi and submitted through email or mailed to:

Loudoun County Office of Mapping & Geographic Information
Attn: Address Coordinator
PO Box 7000
Leesburg, VA 20177

About the Office

The Loudoun County Office of Mapping and Geographic Information provides data, mapping, and analytical services to county agencies and the public and maintains the county’s Geographic Information System (GIS).

Loudoun County implemented GIS software in 1986, at the forefront of its popularity. The county’s GIS has received numerous awards over the years, most recently from Esri for 30 Years of Excellence in GIS (2016).