Dimensional standards
Lot
Height & bulk
Uses
Extracted standards
14 individual requirements pulled out of this section’s prose, each with the sentence it came from.
Design
- Maximum porch encroachment into front setbackSetbackThe distance a building must be held back from a lot line.5 ft
When included, porches, steps, and stoops shall be permitted to encroach into a required front setback by no more than 5 feet.
- Minimum transparencyGround-floor transparencyThe share of a ground-floor street wall that must be windows rather than blank surface. on street-facing facades10 pct
A minimum transparency of 10% is required on all street-facing facades, calculated as a percentage of the entire area of the facade.
Other
- Maximum driveway width from alley20 ft
When driveways accessing attached or detached garages and parking pads are taken from an alley to the rear of a lot, such driveways shall be a maximum of 20 feet in width.
- Maximum driveway width from street12 ft
Paved driveways and off-street parking areas are limited to a maximum width of 12 feet within the first 10 feet of length for individual driveways, or 16 feet within the first 10 feet of length for shared driveways, measured from the back of sidewalk, back of curb, or edge of pavement.
- Maximum front-loaded garage width as percentage of structure width40 pct
Front-loaded attached garages shall be limited to 40% of the width of the structure at the front facade or 22 feet, whichever is less.
- Maximum lot areaMinimum lot areaThe smallest parcel on which the district allows anything to be built.7,499 sqftsq ftSquare feet. An acre is 43,560 sq ft; a typical suburban lot is 7,000–10,000.
No lot within a small lot development shall be larger than 7,499 square feet.
- Maximum shared driveway width from alley24 ft
Where provided, a shared driveway accessed from an alley shall be a maximum of 24 feet in width.
- Maximum percentage of two-family and townhouseTownhouseA single-family home sharing side walls with its neighbours, each on its own lot. units50 pct
On sites of less than 5 acres, two-family and townhouse dwelling units shall constitute no more than 50% of the total units within a small lot development.
- Maximum percentage of two-family and townhouseTownhouseA single-family home sharing side walls with its neighbours, each on its own lot. units30 pct
On sites of 5 acres or more, two-family and townhouse dwelling units shall constitute no more than 30% of the total units within a small lot development.
- Maximum unrelated occupants2 persons
The maximum dwelling unit occupancy within a small lot development shall be a family plus one (1) person unrelated to the family; or no more than two (2) unrelated individuals.
- Minimum community recreation space5,000 sqftsq ftSquare feet. An acre is 43,560 sq ft; a typical suburban lot is 7,000–10,000.
Small lot developments shall provide a minimum of 5,000 square feet of open space for community recreation, plus an additional 5,000 square feet for every 5 acres of land area above the initial 5 acres.
- Minimum street width with parking on both sides29 ft
Streets designed to allow for parking on both sides shall be designed and constructed with VDOT standard rolled curb or CG-6 curb and gutter and be a minimum of 29 feet in width measured from face of curb to face of curb.
- Minimum street width with parking on one side24 ft
Streets designed to allow for parking on one side, or for no street parking shall be designed and constructed with VDOT standard rolled curb or CG-6 curb and gutter and be a minimum of 24 feet in width measured from face of curb to face of curb.
- Underground utilities required
All new utility lines, electric, telephone, cable television lines, etc., shall be placed underground.
From the ordinance
Small Lot Development is permitted within the R-4 Low Density Residential District on sites of 2 or more contiguous developable acres held in common ownership. ...