Loudoun County Unincorporated

Canopy trees must be planted at the following density along all areas dedicated for use for vehicular access in the Office Center, Office Cluster, Business or Custom Campus at a rate of one tree per 30 linear feet.

Block length within the development area must not exceed: 600 feet for an Office Cluster; 800 feet for a Business or Custom Campus; and 400 feet for an Office Center.

A property owner may achieve an intensity bonus for stormwater management treatment that captures and retains on-site, through infiltration, re-use, and/or other best management practices, at least 20% of site runoff volume, based on the first inch of runoff.

Rear and Side Setbacks are not required. At least 50% of a Major Street Zone frontage setback must be occupied by buildings that are at least 4 stories or 48 ft in height.

Expansion of the R-1, R-2, and R-3 Zoning Districts is not permitted after December 13, 2023.

Corridor Zone: The area within 100 feet of the existing or planned right-of-way of Route 28.

The addition of the required Riparian Protection Buffer width (50 feet) to the Resource Area Width may result in a total RSCR width that is greater than the Minimum Buffer Width.

Land disturbing activities, including but not limited to clearing, excavation, grading, construction, reconstruction, and investigative land disturbing activities such as test wells, are prohibited in very steep slope areas, except as permitted under Table 6.03.

Covered activities permitted within the River and Stream Corridor Resources (RSCR) Buffer Area, Very Steep Slope Areas, or Moderately Steep Slope Areas must be planned to minimize disturbance to soil geology, hydrology, and environmental features.

In addition to the General Development Standards provided in Table 6.04-1, the below-listed covered activities located in RSCR Adjacent Steep Slopes or Very Steep Slope Areas are subject to the following:

Trails that are proposed within RSCR Buffer Areas or RSCR Adjacent Steep Slopes must meet any applicable guidelines of the LPAT and must be reviewed by and obtain approval from the Department of Parks, Recreation, and Community Services.

The distance, as measured along a lot's frontage, between the points where a lot's side lot lines intersect with the boundary of the road must not be less than 80% of required lot width. Exception: may be reduced to 60% if frontage is along a curved or circular road with radius ≤ 90 ft.

No more than 60% of all SFD and no more than 60% of all SFA duplex, triplex, and quadruplex building lots, are permitted to be similar in total lot area.

No more than 60% of all SFD and no more than 60% of all SFA duplex, triplex, and quadruplex building lots, are permitted to be similar in total lot area.

Fences and walls, including retaining walls, provided that no such structure in a residential front yard exceeds 3 1/2 feet in height; ... no such structure may exceed 8 feet in height in residential areas.

The following structures are permitted in all setbacks and yards, provided applicable sight distances are met: fences and walls, ground level structures not over 30 inches, awnings projecting no more than 4 feet, bay windows projecting no more than 30 inches, architectural features projecting no more than 24 inches into side/rear or 3 feet into front, porches projecting max 3 feet, etc.

Any existing or partially completed structure that does not comply with buffer, setback, or yard requirements may be approved in accordance with Section 10.03. Structure location errors not eligible under Section 10.03 are subject to Section 10.11.04.

All yards must be provided with the minimum depth required for the zoning district. Front yards required along all roads. Side yards along all lot lines where neither front nor rear yards required. Rear yards along lot lines opposite front yard.

Building height limitations do not apply to towers, gables, penthouses, scenery lofts, cupolas, barns, silos, farm buildings, residential chimneys, spires, flag poles, monuments, utility lines, telecommunications facilities, etc. Also smokestacks, water tanks, radio/tv towers if height does not exceed distance to nearest lot line and located within public utility easement.

Lot coverage is expressed as a percentage of the lot area covered by structures. Calculated by dividing total eligible structure footprints by lot area.