Article 6-1800 of the Loudoun County Zoning Ordinance provides:

• Information on Historic Site / Historic and Cultural Conservation / Historic Roadway Overlay Zoning Districts
• Land use regulations that apply in a particular area
• Architectural guidelines that protect the historic character of the Historical and Cultural Conservation District

Article 6-1900 of  the Loudoun County Zoning Ordinance outlines information on:

• The regulations of Historic Districts 
• Certificate of Appropriateness
• Guidance on making alterations to existing structures

Additional Information: 

• Loudoun County Zoning Ordinance Article 6 
• Historic District Review Committee 
• Review Process and Applying for a Certificate of Appropriateness