Loudoun County Unincorporated
Zoning districts
22 districts, grouped by category.
Other
7- Min lot
- 435,600 sq ft (10 ac)
- Permitted uses
- 7
- Min lot
- 130,680 sq ft (3 ac)
- Max height
- 35 ft
- Front setback
- 6 ft
- Permitted uses
- 7
AR-1 Zoning District
- Min lot
- 871,200 sq ft (20 ac)
- Permitted uses
- 7
AR-2 Zoning District
- Min lot
- 1,742,400 sq ft (40 ac)
- Permitted uses
- 5
- Max height
- 35 ft
- Front setback
- 35 ft
- Permitted uses
- 2
- Max height
- 35 ft
TR-10 Zoning District
- Min lot
- 43,560 sq ft (1 ac)
- Front setback
- 100 ft
- Permitted uses
- 2
Residential
15Single-Family Residential R-1 Legacy Zoning District
- Min lot
- 40,000 sq ft (0.92 ac)
- Permitted uses
- 1
R-16 Townhouse/Multifamily Legacy Zoning District
- Max height
- 40 ft
- Front setback
- 25 ft
- Max density
- 16 du/ac
- Permitted uses
- 3
Single-Family Residential R-2 Legacy Zoning District
- Min lot
- 20,000 sq ft (0.46 ac)
- Permitted uses
- 2
Multifamily Residential R-24 Legacy Zoning District
- Max height
- 45 ft
- Front setback
- 25 ft
- Max density
- 24 du/ac
- Permitted uses
- 1
Single-Family Residential R-3 Legacy Zoning District
- Min lot
- 15,000 sq ft (0.34 ac)
- Permitted uses
- 2
Single Family Residential R-4 Legacy Zoning District
- Min lot
- 10,000 sq ft
- Max height
- 40 ft
- Front setback
- 25 ft
- Max density
- 4 du/ac
- Permitted uses
- 2
Single Family Residential R-8 Legacy Zoning District
- Max height
- 40 ft
- Front setback
- 15 ft
- Max density
- 8 du/ac
- Permitted uses
- 6
Suburban Compact Neighborhood - 16
- Max height
- 50 ft
- Permitted uses
- 40
Suburban Compact Neighborhood - 24
- Max height
- 50 ft
- Permitted uses
- 41
Suburban Compact Neighborhood - 8
- Max height
- 50 ft
- Front setback
- 15 ft
- Permitted uses
- 47
Suburban Neighborhood - 4
- Max height
- 50 ft
- Front setback
- 15 ft
- Permitted uses
- 51
Suburban Neighborhood - 6
- Max height
- 50 ft
- Permitted uses
- 49
Transitional Residential-1
- Max height
- 40 ft
Transitional Residential-2
- Max height
- 35 ft
- Front setback
- 10 ft
Transitional Residential-3
General provisions
909 rules that bind every district rather than one — sign regulations, parking, floodplain and the rest of the code’s citywide chapters.
Therefore, the optional overlay districts do not apply unless the property owner elects to become subject to the optional overlay district standards and procedures.
The Route 28 Corridor Office Optional Overlay District (CO District) provides for high intensity office and employment development along the Route 28 corridor.
The Route 28 Corridor Office Optional Overlay District (CO District) provides for high intensity office and employment development along the Route 28 corridor.
Retail and service uses in the Route 28 Corridor Office Optional Overlay District (CO District) will be permitted only on the ground floor of buildings, except as provided in Section 5.09.02.01.C.2.
Retail and service uses permitted only on ground floor; Office Cluster alternative method with Corridor Setback max 50 ft, Street Setback min 0 max 30 ft; Parks and Open Spaces at least 15% of land area.
The Corridor Zone, located within 100 feet of the existing or planned right-of-way of Route 28. The Street Zone, including all areas outside of the Corridor Zone located within 50 feet of any other public street other than Route 28. The Interior Zone, including all areas outside of the Corridor Zone or Street Zone.
The Route 28 Corridor Business Optional Overlay District (CB District) provides for low to mid-density Office and Flex Uses, with limited retail or service uses that support the office and flex uses.
The Route 28 Corridor Business Optional Overlay District (CB District) provides for low to mid-density Office and Flex Uses, with limited retail or service uses that support the office and flex uses.
In a Campus Alternative Method, up to 100% of the Office/Research and Development allocation may be devoted to flex and data center uses. At least 20% of the gross floor area of a Flex Building (except for a data center) in the CB District must include office/research and development.
Flex and data center uses; outdoor storage prohibited; Parks and Open Spaces at least 15% of land area.
The Route 28 Corridor Industrial Optional Overlay District (CI District) provides for industrial, warehousing, distribution, and manufacturing activities that take advantage of access to Washington Dulles International Airport.
The Route 28 Corridor Industrial Optional Overlay District (CI District) provides for industrial, warehousing, distribution, and manufacturing activities that take advantage of access to Washington Dulles International Airport.
The entire development may consist of Industrial, Manufacturing and Flex uses. Up to 10% of floor area may consist of supportive Retail and Service Uses; and The building orientation, minimum setback, massing/façade, and open space network standards apply. The minimum height, maximum street setback, minimum frontage buildout, frontage type and building materials standards do not apply (Section 5.09.05.10).
Entire development may consist of Industrial, Manufacturing and Flex uses; up to 10% supportive Retail and Service; Open Space at least 10% of land area.
All new utility distribution lines must be placed underground.
Outdoor storage/refuse/loading areas must be screened; utility lines underground; rectilinear grid of streets; access points to adjacent properties.
The following frontage types apply to the Alternative Methods described in Sections 5.09.02, 5.09.03, and 5.09.05.10. In order to count as a required frontage, the frontage must include a principal public access entry for the building.
Building exteriors facing and visible from Route 28 or a street must be composed predominantly of primary materials, with any secondary materials limited to accents or subordinate elements of the façade.
Where this Section 5.09 allows the property owner to contribute cash in lieu of providing Parks and Open Spaces/Public and Civic Uses and the property owner elects this option, the value of the contribution must equal: The fair market value of the land subject to the contribution; and The proportionate cost of improvements, construction or equipment subject to the contribution.
For an Alternative Method of development, the number of parking spaces required by Section 7.06.02 is reduced by the following percentage as shown in Table 5.09.05.07-1.
Source documents
The chapters of the adopted code that were retrieved, read and extracted from. Everything above traces back to one of these.
- Chapter 166.6K charsRead →
- Chapter 10369.1K charsRead →
- Chapter 1142.9K charsRead →
- Chapter 12502.6K charsRead →
- Chapter 13192.3K charsRead →
- Chapter 148.9K charsRead →
- Chapter 21.1M charsRead →
- Chapter 3321.4K charsRead →
- Chapter 4655.5K charsRead →
- Chapter 5507.5K charsRead →
- Chapter 6116.7K charsRead →
- Chapter 7700.2K charsRead →
- Chapter 8133.2K charsRead →
- Chapter 9125.6K charsRead →