zoneoptics
Herndon, Virginia · General provision

Sec. 78-40.5 (O&LI-2)

All Herndon districts0

Dimensional standards

lot requirementsSTREETMIN LOT AREA4.59 acMAX HEIGHT110 ftMAX FAR1.25MIN OPEN SPACE35%
Plan view of the district’s stated lot requirements. Solid line: the property line. Dashed: the setback lines the ordinance imposes; a building must stay inside the tinted envelope. Drawn from the figures extracted below — illustrative, not a survey.

Lot

Minimum lot areaMinimum lot areaThe smallest parcel on which the district allows anything to be built.
200,000 sq ftsq ftSquare feet. An acre is 43,560 sq ft; a typical suburban lot is 7,000–10,000. (4.59 acacre43,560 square feet — about the size of an American football field without the end zones.)

Height & bulk

Maximum heightMaximum heightThe tallest a building may be, given in feet, in storeys, or both — whichever binds first.
110 ft
Maximum floor area ratioFloor area ratio (FAR)Total floor area divided by lot area — an FAR of 2.0 permits 20,000 sq ft of floor on a 10,000 sq ft lot.
1.25
Minimum open spaceOpen spaceLand a development must leave unbuilt, sometimes required to be usable or planted.
35%

Servicing

Applies near
Spring Street and Herndon Parkway
Applies within
1,100 ft
Geographic extent
Applies to parcels within 1,100 feet southward of the southern boundary of Spring Street and along the western boundary of the Fairfax County Parkway.

Extracted standards

6 individual requirements pulled out of this section’s prose, each with the sentence it came from.

Height

Other

  • Minimum distance from R-10 or RTC500 ft

    No part of any structure or building shall be within 500 feet of any property zoned R-10 or RTC.

  • Surface parking screen

    When surface parking is proposed along street frontages, a screen consisting of a masonry wall not less than three and one-half feet in height or an evergreen hedge of at least two and one-half feet in height at planting shall be provided. The width of the planting area for any required hedge shall not be less than seven feet in width.

Setback

  • Cycle track width on Herndon Parkway11 ft

    Frontages along the south and east side of Herndon Parkway shall include an 11-foot-wide two-way cycle track in addition to those features described above.

  • Minimum internal setbackSetbackThe distance a building must be held back from a lot line.10 ft

    Between external property lines, other than street rights-of-way, proposed building or structure setbacks or yards shall be a minimum distance of ten feet, unless a future right-of-way or shared access drive located between properties is proposed under which circumstance no minimum setback is required.

  • Minimum streetscape width13 ft

    Along public rights-of-way the building and structure setback shall be adequate to provide a minimum public streetscape of 13 feet, consisting of an eight-foot sidewalk and five-foot-wide street tree planting strip.

From the ordinance

The resulting floor area ratio on sites does not exceed a floor area ratio of 1:25. The height of the building, inclusive of parking levels, does not exceed 110 feet. A minimum of 35 percent of the site is open space.
Sec. 78-40.5 (O&LI-2)