Dimensional standards
Height & bulk
- Minimum landscaping
- 20%
Uses
Permitted by right3
Extracted standards
10 individual requirements pulled out of this section’s prose, each with the sentence it came from.
Lighting
- Maximum exterior lighting heightMaximum heightThe tallest a building may be, given in feet, in storeys, or both — whichever binds first.9 ft
No exterior lighting shall exceed a height of nine feet from the adjacent grade.
Other
- AccessoryAccessory useA secondary activity customarily incidental to the main use of the lot — a garage, a home office. structure heightMaximum heightThe tallest a building may be, given in feet, in storeys, or both — whichever binds first. relative to principal
Accessory structures shall not be taller than the principal structure on the lot.
- AccessoryAccessory useA secondary activity customarily incidental to the main use of the lot — a garage, a home office. structure rear and side setbackSetbackThe distance a building must be held back from a lot line.5 ft
Accessory structures must observe a five foot rear and side yard setback.
- HistoricHistoric districtAn area where exterior changes need design review to protect its character. markers for landmarks
Historic markers shall be made available to the owner of any building designated as a historic landmark.
- Maximum accessoryAccessory useA secondary activity customarily incidental to the main use of the lot — a garage, a home office. structure area600 sqftsq ftSquare feet. An acre is 43,560 sq ft; a typical suburban lot is 7,000–10,000.
Accessory structures shall not exceed 600 square feet in area.
- Minimum distance from lot lines3 ft
No new construction shall be established within three feet of any lot line.
- Minimum landscaped area20 pct
Each lot shall maintain a landscaped area with a minimum size corresponding to 20 percent of the lot size.
- Maximum residential floor area in mixed-use building50 pct
Residential and office uses may be mixed within a single structure provided the residential portion occupies less than 50 percent of the building's total floor area.
Parking
- Parking lot paving material
Parking lots of four or more spaces shall be paved with cobblestone or other approved material which enhances the aesthetic quality of the historic area.
Signage
- Signage requires Certificate of Appropriateness
New signage and changes to existing signage require approval of a Certificate of Appropriateness.
From the ordinance
The HLO sub-district is intended for professional office uses as well as limited residential and institutional uses, subject to the use-specific standards in Sec. 40.2-217 Use-Specific Standards.