Article 6 of the Zoning Ordinance limits paving and coverage of front yards.

In the R-1, R-2, R-3, and R-4 Districts, for any single-family detached dwelling on a lot no larger than 36,000 square feet, all parking for vehicles or trailers in a front yard must be on a surfaced area and limited to the following maximum coverage percentage:

R-1 and R-2 Districts: 25 Percent

R-3 and R-4 Districts: 30 Percent.

On a pipestem lot, the surfaced area within the pipestem driveway is not included in the maximum coverage percentage. These maximum percentages may be exceeded for a surfaced area that :

1. Contains no more than two side-by-side parking spaces and is no more than 25 feet long and 18 feet wide;
2. Consists of two parking spaces and a vehicular turn around area if the lot has its access from a major throughfare, the surfaced area is not more than 25 feet long and 18 feet wide, and the turnaround area does not exceed 150 square feet; or
3. Is approved by the Zoning Administrator for an accessibility improvement.

Permitted parking surface materials include asphalt, poured or precast concrete, brick, stone, gravel, any other impervious surface, and grasscrete or other similar pervious surface.