1. (A)
   To provide for and encourage variation in the size, shape, and width of single-family detached residential subdivision lots, in order to better utilize the natural terrain;
2. (B)
   To facilitate the planning of single-family residential developments with large lots and dwellings of various sizes and styles;
3. (C)
   To encourage the preservation of trees and open spaces in order to create an estate-like atmosphere; and
4. (D)
   To prevent soil erosion and stream valley flooding.

1. (1)
   See measurement rules and allowed exceptions in Section 27-2200, Measurement and Exceptions of Intensity and Dimensional Standards.
2. (2)
   On corner lot, min. side yard depth alongside street = 25 ft.❻
3. (3)
   May be increased for certain purposes by approval of a special exception pursuant to Section 27-3604, Special Exception, and may be increased to forty (40) feet with approval of a Special Exception, if the building is used for agricultural purposes and is erected on property (used for agriculture) containing at least five (5) acres.
4. (4)

   If the lot is served by an individual well or sewerage system, the min. width shall be 150 ft.

Single-Family Detached Dwellings and Agricultural and Other Uses

1. (A)
   To provide for and encourage variation in the size, shape, and width of single-family detached residential subdivision lots, in order to better utilize their natural terrain;
2. (B)
   To facilitate the planning of single-family residential developments with moderately large lots and dwellings of various sizes and styles;
3. (C)
   To encourage the preservation of trees and open spaces; and
4. (D)
   To prevent soil erosion and stream valley flooding.

1. (1)
   See measurement rules and allowed exceptions in Section 27-2200, Measurement and Exceptions of Intensity and Dimensional Standards.
2. (2)
   On corner lot, min. side yard depth alongside street = 25 ft.❻
3. (3)
   May be increased for certain purposes by approval of a special exception pursuant to Section 27-3604, Special Exception, and may be increased to forty (40) feet with approval of a Special Exception, if the building is used for agricultural purposes and is erected on property (used for agriculture) containing at least five (5) acres.
4. (4)
   Minimum 100 ft if the lot is not served by a public or other approved water supply system.

Single-Family Detached Dwellings and Other Uses

1. (A)
   To provide for and encourage variation in the size, shape, and width of single-family detached residential subdivision lots, in order to better utilize the natural terrain;
2. (B)
   To facilitate the planning of single-family residential developments with medium-sized lots and dwellings of various sizes and styles;
3. (C)
   To encourage the preservation of trees and open spaces; and
4. (D)
   To prevent soil erosion and stream valley flooding.

1. (1)
   See measurement rules and allowed exceptions in Section 27-2200, Measurement and Exceptions of Intensity and Dimensional Standards.
2. (2)
   On corner lot, min. side yard depth alongside street = 25 ft.❻
3. (3)
   May be increased for certain purposes by approval of a special exception pursuant to Section 27-3604, Special Exception.
4. (4)
   If the lot is located on a cul-de-sac, the minimum width may be reduced to forty-five (45) feet.

Single-Family Detached Dwellings and Other Uses

1. (A)
   To provide for and encourage variation in the size, shape, and width of single-family detached residential subdivision lots, in order to better utilize the natural terrain;
2. (B)
   To facilitate the planning of higher density single-family residential developments with small lots and dwellings of various sizes and styles;
3. (C)
   To encourage the preservation of trees and open spaces; and
4. (D)
   To prevent soil erosion and stream valley flooding.

1. (1)
   See measurement rules and allowed exceptions in Section 27-2200, Measurement and Exceptions of Intensity and Dimensional Standards.
2. (2)
   On corner lot, min. side yard depth alongside street = 25 ft.❻
3. (3)
   May be increased for certain purposes by approval of a special exception pursuant to Section 27-3604, Special Exception.
4. (4)
   If the lot is located on a cul-de-sac, the minimum width may be reduced to forty-five (45) feet.

Single-Family Detached Dwellings and Other Uses

1. (A)
   To provide for development in a form that supports residential living and walkability, is pedestrian oriented and is well connected to surrounding lands;
2. (B)
   To provide development that is respectful of the natural features of the land; and
3. (C)
   To provide development that is compatible with surrounding lands.

1. (1)
   See measurement rules and allowed exceptions in Section 27-2200, Measurement and Exceptions of Intensity and Dimensional Standards.
2. (2)
   Applicable to the lot coverage of the development lot as a whole rather than individual lots under townhouse units.
3. (3)
   On corner lot, min. side yard depth alongside street = 25 ft.❻
4. (4)
   Applicable to the buildings on the edges of the development lot as a whole. Within the development lot as a whole, a minimum separation of 8 feet is required between buildings.
5. (5)
   Applicable to the individual lots under townhouse units. The minimum lot width for the development lot as a whole shall be 100 ft.
6. (6)
   May be increased for certain purposes by approval of a special exception pursuant to Section 27-3604, Special Exception. Height may not exceed 2 stories.
7. (7)
   May be reduced to 0 feet when a 20-foot-wide or wider alley is provided, or to a range between 5 and 10 feet when an alley less than 20 feet in width is provided.
8. (8)
   May be reduced to 20 feet when building vertically stacked dwelling units.
9. (9)
   May be reduced to 16 feet when building vertically stacked dwelling units.
10. (10)
    If the lot is located on a cul-de-sac, the minimum width may be reduced to forty-five (45) feet.

1. (A)
   To make available low-density, multifamily developments of the “garden apartment” type which would offer many of the advantages normally associated with a single-family dwelling;
2. (B)
   To provide for this type of development at locations recommended in an Area Master Plan or Sector Plan, or at other locations which are found to be suitable by the District Council; and
3. (C)
   To provide for this type of development at locations which are adequately served by facilities such as those for circulation, sanitation, and retail sales and service.

1. (1)
   See measurement rules and allowed exceptions in Section 27-2200, Measurement and Exceptions of Intensity and Dimensional Standards.
2. (2)
   100 ft on corner lots.❻
3. (3)
   Applicable to the building coverage of the development lot as a whole rather than individual lots under townhouse units.
4. (4)
   Applicable to buildings on the edges of the development lot as a whole. Within the development lot as a whole, a minimum separation of 8 feet is required between buildings.
5. (5)
   On corner lot, min. side yard depth alongside street = 15 ft.❼
6. (6)
   Applicable to the individual lots under townhouse units. The minimum lot width for the development lot as a whole shall be 100 ft.
7. (7)
   May be increased for certain purposes by approval of a special exception pursuant to Section 27-3604, Special Exception.
8. (8)
   May be reduced to 20 feet when building vertically stacked dwelling units.
9. (9)
   May be reduced to 16 feet when building vertically stacked dwelling units.

Single-Family Detached Dwellings

Townhouse Dwellings

Multifamily Dwellings and Other Uses

1. (A)
   To provide suitable sites for high-density multifamily residential development;
2. (B)
   To provide for this type of development at locations recommended by an Area Master Plan or Sector Plan, or at other locations which are found to be suitable by the District Council;
3. (C)
   To support multifamily development at sites that are proximate to centers or are at appropriate locations along commercial corridors; and
4. (D)
   To ensure compatibility with surrounding lands.

1. (1)
   See measurement rules and allowed exceptions in Section 27-2200, Measurement and Exceptions of Intensity and Dimensional Standards.
2. (2)
   80 ft on corner lots.❻
3. (3)
   Applicable to the building coverage of the development lot as a whole rather than individual lots under townhouse units.
4. (4)
   Applicable to buildings on the edges of the development lot as a whole. Within the development lot as a whole, a minimum separation of 8 feet is required between buildings.
5. (5)
   On corner lot, min. side yard depth alongside street = 15 ft.❼
6. (6)
   80 ft where net lot area ≥ 4 acres.
7. (7)
   Applicable to the individual lots under townhouse units. The minimum lot width for the development lot as a whole shall be 100 ft.
8. (8)
   May be increased for certain purposes by approval of a special exception pursuant to Section 27-3604, Special Exception.
9. (9)
   May be reduced to 20 feet when building vertically stacked dwelling units.
10. (10)
    May be reduced to 16 feet when building vertically stacked dwelling units.

Two- and Three-Family Dwellings

Multifamily Dwellings and Other Uses

1. (A)
   To provide suitable sites respectful of the natural features of the land for high-density multifamily residential development and other forms of development that support residential living and walkability;
2. (B)
   To provide for this type of development at locations recommended by an Area Master Plan or Sector Plan, proximate to centers (including transit centers) or at other locations which are found to be suitable by the District Council; and
3. (C)
   To ensure development is compatible with surrounding lands.

1. (1)
   See measurement rules and allowed exceptions in Section 27-2200, Measurement and Exceptions of Intensity and Dimensional Standards.
2. (2)
   100 ft on corner lots. ❻
3. (3)
   On corner lot, min. side yard depth alongside street = 30 ft. ❼
4. (4)
   At least 80% of buildings in the multifamily development must be ≥ 52 ft high.
5. (5)
   Provided those portions of the structure greater than 52 ft high are set back from the minimum front , side, and rear yard depths an additional 0.5 ft for each 1 ft (or major fraction thereof) the height of the portion exceeds 52 ft.
6. (6)
   May be increased for certain purposes by approval of a special exception pursuant to Section 27-3604, Special Exception.

Multifamily Dwellings and Other Uses

1. (A)
   To provide lands for a range of small-scale, low-intensity retail and service commercial development that provides goods and services primarily serving the daily needs of residents of the immediately surrounding neighborhoods; and
2. (B)
   To ensure uses, development intensities, and development forms that are consistent with a pedestrian-friendly and neighborhood-scale, traditional main street character, that are well-connected to and compatible with surrounding areas, and that do not attract significant traffic from outside the surrounding neighborhoods.

1. (1)
   See measurement rules and allowed exceptions in Section 27-2200, Measurement and Exceptions of Intensity and Dimensional Standards.
2. (2)
   The standards in this column apply to multifamily dwellings as stand-alone development. Dwelling units above ground-level nonresidential development shall be subject to the maximum density standard in this column, but otherwise to the standards for Other Uses.
3. (3)
   Applicable to the lot coverage of the development lot as a whole rather than individual lots under townhouse units.
4. (4)
   May be reduced to 20 feet when building vertically stacked dwelling units.

Multifamily Dwellings and Other Uses

The purposes of the Commercial, Service (CS) Zone are:

1. (A)
   To provide for a concentration of retail sales and services (including auto-oriented commercial uses), office, and eating or drinking establishments; and
2. (B)
   To accommodate medium- to moderately high-density residential development as part of vertically or horizontally mixed-use development.

1. (1)
   See measurement rules and allowed exceptions in Section 27-2200, Measurement and Exceptions of Intensity and Dimensional Standards.
2. (2)
   The standards in this column apply to multifamily dwellings, artists' residential studios, and live-work dwellings as stand-alone development. Dwelling units above ground-level nonresidential development shall be subject to the maximum density standard in this column, but otherwise to the standards for Other Uses.
3. (3)
   80 ft on corner lots❻.
4. (4)
   Provided those portions of the structure greater than 35 ft high are set back from the minimum front, side, and rear yard depths an additional 1 ft for each 2 ft (or major fraction thereof) the height of the portion exceeds 35 ft.

Multifamily Dwelling and Other Uses

1. (A)
   To provide lands for a diverse range of business, civic, and mixed-use development, typically at or near major intersections where visibility and good access are important, in a form that supports connections and a balance between automobile access and pedestrian-friendliness;
2. (B)
   To incorporate development with multiple uses, shared parking, and coordinated signage and landscaping; and
3. (C)
   To accommodate higher-density residential uses as part of vertically or horizontally mixed-use development.

1. (1)
   See measurement rules and allowed exceptions in Section 27-2200, Measurement and Exceptions of Intensity and Dimensional Standards.
2. (2)
   The standards in this column apply to multifamily dwellings, artists’ residential studios, and live-work dwellings as stand-alone development. Dwelling units above ground-level nonresidential development shall be subject to the maximum density standard in this column, but otherwise to the standards for Other Uses.
3. (3)
   Applicable to the lot coverage of the development lot as a whole rather than individual lots under townhouse units.
4. (4)
   Applicable to buildings on the edges of the development lot as a whole. Within the development lot as a whole, a minimum separation of 8 feet is required between buildings.
5. (5)
   Provided those portions of the structure greater than 50 ft high are set back from the minimum front , side, and rear yard depths an additional 0.5 ft for each 1 ft (or major fraction thereof) the height of the portion exceeds 50 ft.
6. (6)
   110 ft for office buildings or mixed-use development consisting primarily of office uses.

Multifamily Dwelling and Other Uses

1. (A)
   To provide for a mix of employment, research and development, and light industrial development, with an expectation of high-quality design that is set apart from the high-traffic-generating commercial zones and residential communities;
2. (B)
   To provide lands to serve light industrial uses while prohibiting more intensive forms of industrial development;
3. (C)
   To accommodate limited residential development; and
4. (D)
   To ensure compatibility between industrial development and nearby residential uses.

1. (1)
   See measurement rules and allowed exceptions in Section 27-2200, Measurement and Exceptions of Intensity and Dimensional Standards.
2. (2)
   The standards in this column apply to multifamily dwellings, artists’ residential studios, and live-work dwellings as stand-alone development. Dwelling units above ground-level nonresidential development shall be subject to the maximum density standard in this column, but otherwise to the standards for Other Uses.
3. (3)
   Up to a distance of 150 ft.
4. (4)
   Provided those portions of the structure greater than 50 ft high are set back from the minimum front, side, and rear yard depths an additional 0.5 ft for each 1 ft (or major fraction thereof) the height of the portion exceeds 50 ft.
5. (5)
   The minimum rear yard depth is 0 feet when abutting property in a Nonresidential base zone, Transit-Oriented/Activity Center base or PD zones, or the MU-PD Zone, and 20 feet when abutting property in any other zone.
6. (6)
   When approving a special exception or detailed site plan, the decision-making body or official may increase the maximum lot coverage to not more than 80% and may reduce the minimum green area to not less than 20%, upon a showing by the applicant that the proposed maximum lot coverage and minimum green area are reasonably necessary for the proposed use, are compatible with adjacent properties and the neighborhood, and that the increase in the maximum lot coverage will be offset by enhanced stormwater management, flood control, use of solar or geothermal power, off-site tree mitigation, or similar environmental benefits. No variance from the requirements of this Subsection shall be permitted.

1. (A)
   To provide lands for intense industrial development that generally requires large sites, as well as industrial uses that are important for the County’s economic growth but may impact adjoining lands. Such uses generally involve greater potential for adverse off-site impacts on the environment and surrounding development (e.g., from dust, fumes, smoke, odors, noise, or vibration, or due to exterior movement of vehicles, materials, and goods);
2. (B)
   To accommodate limited residential uses, particularly as adaptive reuse opportunities;
3. (C)
   To encourage the reuse of existing industrial development; and
4. (D)
   To mitigate potential impacts to surrounding residential neighborhoods.

1. (1)
   See measurement rules and allowed exceptions in Section 27-2200, Measurement and Exceptions of Intensity and Dimensional Standards.
2. (2)
   The standards in this column apply to multifamily dwellings, artists’ residential studios, and live-work dwellings as stand-alone development. Dwelling units above ground-level nonresidential development shall be subject to the maximum density standard in this column, but otherwise to the standards for Other Uses. 
3. (3)
   Provided those portions of the structure greater than 50 ft high are set back from the minimum front, side, and rear yard depths an additional 0.5 ft for each 1 ft (or major fraction thereof) the height of the portion exceeds 35 ft.
4. (4)
   The minimum rear yard depth is 0 feet when abutting property in a Nonresidential Base Zone, Transit-Oriented/Activity Center Base or Planned Development zone, or the MU-PD Zone, and 20 feet when abutting property in any other zone.
5. (5)
   Multiple industrial uses on a single property or on one or more adjoining properties under the same ownership (and which are located not more than 1,000 feet away from each other) may consolidate the required minimum green area for the entire industrial development as a whole and is not required to provide minimum green area on each individual lot or parcel.

1. (A)
   To provide lands for lower-density, small-scale, mixed-use centers that are attractive to employers and employees, are well connected to transit, and serve the surrounding neighborhood;
2. (B)
   To incorporate walkable and bikeable areas that are well-connected to a regional transportation network through a range of transit options; and
3. (C)
   To provide a mix of uses that serve local neighborhood needs.

1. (1)
   See measurement rules and allowed exceptions in Section 27-2200, Measurement and Exceptions of Intensity and Dimensional Standards.
2. (2)
   1,200 sf for townhouse lots.
3. (3)
   18 ft for townhouse lots.
4. (4)
   Applicable to residential development and the residential component of mixed-use development.
5. (5)
   Applicable to nonresidential development.
6. (6)
   The area between the minimum and maximum build-to lines that extends the width of the lot constitutes the build-to zone.
7. (7)
   Where existing buildings along street frontages are all located behind the build-to zone, such buildings may not be extended to the rear or side unless they are first extended frontwards to comply with the maximum build-to line standard and the minimum building width in the build-to zone standard.
8. (8)
   The remaining build-to zone width may be occupied by outdoor gathering spaces, walkways, landscaped areas, stormwater management facilities that use Environmental Site Design techniques, driveways (subject to Section 27-6206(b)(1)), or surface parking (subject to Section 27-6300).