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Washington City Zoning Code

SUBTITLE G

MIXED USE MU ZONES

206 RESERVED

5200 GENERAL PROVISIONS

5200.1

  1. 5200.1
    Except for density, height, and penthouse and rooftop structure, the Board of Zoning Adjustment may grant relief from the development standards of this subtitle, as a special exception subject to the criteria at Subtitle X, Chapter 9.

5200.2

  1. 5200.2
    Requested relief that does not comply with specific conditions or limitations of a special exception authorized by this subtitle shall be processed as a variance pursuant to Subtitle X, Chapter 10.

5200 Source Note

SOURCE:  Final Rulemaking & Order No. 18-16/19-27-19-27B published at 70 DCR (August 25, 2023)

100.1
  1. 100.1
    Subtitle G is to be read and applied in addition to the regulations included in:
    1. (a)
      Subtitle A, Authority and Applicability;
    2. (b)
      Subtitle B, Definitions, Rules of Measurement, and Use Categories;
    3. (c)
      Subtitle C, General Rules;
    4. (d)
      Subtitle H, Neighborhood Mixed-Use (NMU) Zones; and
    5. (e)
      Subtitle U, Use Permissions.

100.2
  1. 100.2
    Geographically modified zones are indicated by letters following the base zone name, such as MU-4/CAP/CHC or MU-7B/FT. 

100.3
  1. 100.3
    For those geographically modified zones, the zone boundaries are described in Subtitle W, Specific Zone Boundaries, and identified on the official Zoning Map.

101.1
  1. 101.1
    The Mixed-Use (MU) zones provide for mixed-use developments that permit a broad range of commercial, institutional, and multiple dwelling residential development at varying densities.

101.2
  1. 101.2
    The MU zones are designed to provide facilities for housing, shopping, and business needs, including residential, office, service, and employment centers.

101.3
  1. 101.3
    The MU zones are intended to:
    1. (a)
      Provide for the orderly development and use of land and structures in the MU zones, characterized by a mixture of land uses;
    2. (b)
      Provide for a varied mix of residential, employment, retail, service, and other related uses at appropriate densities and scale throughout the city;
    3. (c)
      Reflect a variety of building types, including, but not limited to, shop-front buildings which may include a vertical mixture of residential and non-residential uses, buildings made up entirely of residential uses, and buildings made up entirely of non-residential uses;
    4. (d)
      Encourage safe and efficient conditions for pedestrian and motor vehicle movement;
    5. (e)
      Ensure that infill development is compatible with the prevailing development pattern within the zone and surrounding areas;
    6. (f)
      Preserve and enhance existing commercial nodes and surroundings by providing an appropriate scale of development and range of shopping and service opportunities; and
    7. (g)

      Ensure that buildings and developments around fixed rail stations, transit hubs, and streetcar lines are oriented to support active use of public transportation and safety of public spaces.

101.4
  1. 101.4
    The purposes of the MU-1 and MU-2 zones are to:
    1. (a)
      Act as a buffer between adjoining non-residential and residential areas, and to ensure that new development is compatible in use, scale, and design with the transitional function of this zone;
    2. (b)
      Preserve and protect areas adjacent to non-residential uses or zones that contain a mix of row houses, apartments, offices, and institutions at a medium to high density, including buildings of historic and architectural merit; and
    3. (c)
      Permit new residential development at a higher density than new office or institutional developments.

101.5
  1. 101.5
    The MU-1 zone is intended to permit moderate-density development in areas predominantly developed with residential buildings but also permitting non-residential buildings.

101.6
  1. 101.6
    The MU-2 zone is intended to permit medium-density development in areas predominantly developed with residential buildings but also permitting non-residential buildings.

101.7
  1. 101.7
    The MU-3 through MU-10 and MU-15 zones are mixed-use zones that are intended to be applied throughout the city consistent with the density designation of the Comprehensive Plan. A zone may be applied to more than one (1) density designation.

101.8
  1. 101.8
    The MU-3 zones are intended to:
    1. (a)
      Permit low-density mixed-use development; and
    2. (b)
      Provide convenient retail and personal service establishments for the day‑to-day needs of a local neighborhood, as well as residential and limited community facilities with a minimum impact upon surrounding residential development.

101.9
  1. 101.9
    The MU-4 zone is intended to:
    1. (a)
      Permit moderate-density mixed-use development;
    2. (b)
      Provide facilities for shopping and business needs, housing, and mixed uses for large segments of the District of Columbia outside of the central core; and
    3. (c)
      Be located in low- and moderate-density residential areas with access to main roadways or rapid transit stops, and include office employment centers, shopping centers, and moderate bulk mixed-use centers.

101.10
  1. 101.10
    The MU-5 zones are intended to:
    1. (a)
      Permit medium-density, compact mixed-use development with an emphasis on residential use;
    2. (b)
      Provide facilities for shopping and business needs, housing, and mixed uses for large segments of the District of Columbia outside of the central core; and
    3. (c)
      Be located on arterial streets, in uptown and regional centers, and at rapid transit stops.

101.11
  1. 101.11
    The MU-6 zones are intended to:
    1. (a)
      Permit medium- to high-density mixed-use development with a focus on residential use; and
    2. (b)

      Provide facilities for shopping and business needs, housing, and mixed uses for large segments of the District of Columbia outside of the central core.

101.12
  1. 101.12
    The MU-7 zones are intended to:
    1. (a)
      Permit medium-density mixed-use development; and
    2. (b)
      Be located on arterial streets, in uptown and regional centers, and at rapid transit stops.

101.13
  1. 101.13
    The MU-8 zones are intended to:
    1. (a)
      Permit medium-density mixed-use development with a focus on employment and residential use;
    2. (b)
      Be located in uptown locations, where a large component of development will be office-retail and other non-residential uses; and
    3. (c)
      Be located in or near the Central Employment Area, on arterial streets, in uptown and regional centers, and at rapid transit stops.

 

101.14
  1. 101.14
    The MU-9 zones are intended to:
    1. (a)
      Permit high-density mixed-use development including office, retail, and housing, with a focus on employment and residential use; and
    2. (b)
      Be located in or near the Central Employment Area, on arterial streets, in uptown and regional centers, and at rapid transit stops.

 

101.15
  1. 101.15
    The MU-10 zone is intended to:
    1. (a)
      Permit medium- to high-density mixed-use development with a balance of uses conducive to a higher quality of life and environment for residents, businesses, employees, and institutions;
    2. (b)
      Be applied to areas where a mixture of uses and building densities is intended to carry out elements of the Comprehensive Plan, small area plans, or framework plans, including goals in employment, population, transportation, housing, public facilities, and environmental quality;
    3. (c)
      Require a level of public space at the ground level; and
    4. (d)
      Allow residential and non-residential bulk to be apportioned between two (2) or more lots in the same square.

 

101.16
  1. 101.16
    The MU-15 zone is intended to:
    1. (a)
      Permit high-density mixed-use development including office, retail, and housing, with a focus on employment; and
    2. (b)
      Be located in or near the downtown core that comprises the retail and office centers for both the District of Columbia and the metropolitan area.

 

101.17
  1. 101.17
    The MU-11, MU-12, MU-13, and MU-14 zones are mixed-use zones that are intended to be applied generally in the vicinity of the waterfront.

101.18
  1. 101.18
    The MU-11 zone is intended to:
    1. (a)
      Permit open space, park, and low-density and low-height waterfront-oriented retail and arts uses; and
    2. (b)
      Be applied in undeveloped waterfront areas.

 

101.19
  1. 101.19
    The MU-12 zone is intended to permit moderate-density mixed-use development generally in the vicinity of the waterfront.

101.20
  1. 101.20
    The MU-13 zone is intended to permit medium-density mixed-use development generally in the vicinity of the waterfront.

101.21
  1. 101.21
    The MU-14 zone is intended to permit high-density mixed-use development generally in the vicinity of the waterfront.

200.1
  1. 200.1
    The development standards of this chapter shall apply to all the MU-1 through MU-15 zones except as changed by a geographically modified zone. 

200.2
  1. 200.2
    The development standards regulate the bulk of buildings and other structures and the spaces around them, including the following :
    1. (a)
      Height and number of stories;
    2. (b)
      Density and lot occupancy;
    3. (c)
      Yards and setbacks; and
    4. (d)
      Environmental performance.

200.3
  1. 200.3
    The Inclusionary Zoning (IZ) requirements and the available IZ modifications to certain development standards and bonus density shall apply to all MU zones as specified in Subtitle C, Chapter 10, Inclusionary Zoning, and in the zone-specific development standards of this subtitle.

 

200.4
  1. 200.4
    A building or structure in existence with a valid Certificate of Occupancy prior to January 1, 2022, may convert existing gross floor area to the “Residential” use category of Subtitle B § 200.2 as a matter of right even if the building or structure or portion thereof to be converted does not comply with the following development standards of this subtitle for residential use:
    1. (a)
      Courts;
    2. (b)
      Floor Area Ratio (FAR);
    3. (c)
      Green Area Ratio (GAR);
    4. (d)
      Height;
    5. (e)
      Lot Occupancy;
    6. (f)
      Waterfront Setback; or
    7. (g)
      Yards. 

201.1
  1. 201.1
    Except as provided elsewhere in this title, in any of the MU-1 through MU-14 zones, the maximum permitted floor area ratio (FAR) shall be as set forth in the following table:
TABLE G § 201.1: MAXIMUM PERMITTED FLOOR AREA RATIO

Zones

Maximum Total FAR

Maximum Non-Residential FAR

MU-1

4.0

4.8 (IZ)

2.5

MU-2

6.0

7.2 (IZ)

3.5

MU-3A

1.0

1.2 (IZ)

1.0

MU-3B

2.0

2.4 (IZ)

1.5

MU-4

2.5

3.0 (IZ)

1.5

MU-5A

3.5

4.2 (IZ)

1.5

MU-5B

3.5

4.2 (IZ)

1.5

MU-6A

6.0

7.2 (IZ)

1.0

MU-6B

6.0

7.2 (IZ)

2.0

MU-7A

4.0

4.8 (IZ)

1.0

MU-7B

4.0

4.8 (IZ)

2.5

MU-8A

5.0

6.0 (IZ)

1.0

MU-8B

5.0

6.0 (IZ)

4.0

MU-9A

6.5

7.8 (IZ)

1.0

MU-9B

6.5

7.8 (IZ)

6.5

MU-10

6.0

7.2 (IZ)

3.0

MU-11

0.5

0.5

MU-12

2.5

3.0 (IZ)

1.0

MU-13

4.0

4.8 (IZ)

2.0

MU-14

6.0

7.2 (IZ)

5.0

 

201.2
  1. 201.2
    In any of the MU-4 and MU-5 zones, an existing building on a lot with an area ten thousand square feet (10,000 sq. ft.) or less may have a maximum density of 2.0 FAR for non-residential uses; provided the uses are located in the ground story and the story directly above the ground story. For new construction, any additional use is limited to 0.5 FAR. 

201.3
  1. 201.3
    In any of the MU-10 zones, the allowable residential and non-residential FAR may be apportioned between two (2) or more lots in the same square, regardless of the FAR limits, subject to a combined lot agreement in accordance with the provisions of Subtitle C, Chapter 12 and the following:
    1. (a)
      The aggregate residential and non-residential FAR may not exceed the zone limits; and
    2. (b)
      For the purposes of this subsection, the term "residential FAR" shall include single household dwellings, flats, multiple dwellings, rooming and boarding houses, community-based residential facilities, inns, and guest room areas and service areas within hotels. 

201.4
  1. 201.4
    In any of the MU-11 zones, the density on a lot used exclusively for recreational use, marina, yacht club, or boathouse buildings and structures shall not exceed 0.75 FAR; provided that for the purposes of this subsection, FAR shall be the gross floor area of all buildings and structures located on land and any associated permanent structure located on, in, or over water, other than a floating home, divided by the total area of the lot.

201.5
  1. 201.5
    In any of the MU-11 through MU-14 zones, the guestroom areas and service areas within lodging uses may be charged against the “Maximum Total FAR.”

201.6
  1. 201.6
    In any of the MU-15 zones, the maximum permitted FAR shall be as set forth in the following table, except as provided elsewhere in this title:
TABLE G § 201.6: MAXIMUM PERMITTED FLOOR AREA RATIO

MU-15 Zone Height

Maximum Total FAR

Maximum Non-Residential FAR

Buildings erected to a height of 110 ft. or less

8.5

10.2 (IZ)

8.5

Buildings erected to a height in excess of 110 ft. as permitted in Subtitle G § 203.4

10.0

12.0 (IZ)

10.0

201.7
  1. 201.7
    In any of the MU-1, MU-2, or MU-10 through MU-14 zones a public recreation and community center shall not exceed a gross floor area of forty thousand square feet (40,000 sq. ft.).

201.8
  1. 201.8
    In any of the MU-1, MU-2, and MU-10 through MU-14 zones, relief from the maximum gross floor area of Subtitle G § 201.7 for public recreation and community centers may be permitted if approved by the Board of Zoning Adjustment as a special exception pursuant to Subtitle X, Chapter 9.

201.9
  1. 201.9
    In the MU-1, MU-2, or MU-12 through MU-14 zones, a public recreation and community center shall not exceed a 1.8 FAR.

203.1
  1. 203.1
    Except as provided elsewhere in this title, the maximum permitted height of buildings or structures, not including a penthouse or rooftop structure, and the maximum number of stories shall be as set forth in section.

203.2
  1. 203.2
    The maximum permitted height of buildings or structures and number of stories, except as provided in Subtitle G §§ 203.3 through 203.6, shall be as set forth in the following table:
TABLE G § 203.2: MAXIMUM HEIGHT AND NUMBER OF STORIES

Zones

Maximum Height, Not Including Penthouse or Rooftop Structure (ft.)

Maximum Number of Stories

MU-1

65

70 (IZ)

No Limit

MU-2

90

No Limit

MU-3A

40

3

MU-3B

50

4

MU-4

50

No Limit

MU-5A

65

70 (IZ)

No Limit

MU-5B

75

No Limit

MU-6A

MU-6B

90

100 (IZ)

No Limit

MU-7A

MU-7B

65

No Limit

MU-8A

MU-8B

70

No Limit

MU-9A

MU-9B

90

100 (IZ)

No Limit

MU-10

90

100 (IZ)

No Limit

MU-11

40

No Limit

MU-12

45

50 (IZ)

No Limit

MU-13

60

80 (IZ)

No Limit

MU-14

90

100 (IZ)

No Limit

MU-15

110

No Limit

203.3
  1. 203.3
    In the MU-10 zone on Square 175, the maximum permitted building height, not including a penthouse or rooftop structure, shall be limited to sixty feet (60 ft.) for the first forty feet (40 ft.) of horizontal depth, measured from the lot line on the south side of the public alley that abuts the rear of Lots 24, 25, 26, 27, 28, and 29.

203.4
  1. 203.4
    In any of the MU-11 zones, a building or structure located on, in, or over the water; or a watercraft, including a floating home shall have a maximum height of twenty-five feet (25 ft.), not including a penthouse or rooftop structure. For the purposes of this subsection, the maximum height shall be measured from the mean high-water level along the shore directly in front of the building, structure, or watercraft to the highest point of the building or structure, not including sailboat masts.

203.5
  1. 203.5
    In any of the MU-15 zones, a building or other structure may be erected to a height not exceeding one hundred-thirty feet (130 ft.), not including a penthouse or rooftop structure; provided, that the building or other structure shall face or abut a street not less than one hundred-ten feet (110 ft.) wide between building lines.

203.6
  1. 203.6
    In any of the MU-1, MU-2, MU-10, or MU-12 through MU-14 zones, a public recreation and community center may not be erected to a height exceeding forty-five feet (45 ft.), not including a penthouse or rooftop structure.

204.1
  1. 204.1
    In the MU-3B zone, the following transition setback requirements shall apply to any building or portion of a building within thirty feet (30 ft.) of a lot line directly abutting an R zone:
    1. (a)
      A twenty-foot (20 ft.) minimum transition setback shall be provided from any lot line directly abutting an R zone extended as a vertical plane parallel to each abutting lot line. No building or portion of a building shall be constructed within the twenty-foot (20 ft.) transition setback; and
    2. (b)
      An additional upper-story transition setback of ten feet (10 ft.) minimum shall be provided above a building height of forty feet (40 ft.), or top of third story. 

204.2
  1. 204.2
    Any required transition setback area required by this section shall not be used for loading.

204.3
  1. 204.3
    A minimum of six feet (6 ft.) of any transition setback area required by this section, measured in from the abutting residential lot line, shall be landscaped with evergreen trees subject to the following conditions:
    1. (a)
      The trees shall be maintained in a healthy growing condition;
    2. (b)
      The trees shall be a minimum of eight feet (8 ft.) high when planted; and
    3. (c)
      Planting locations and soil preparation techniques shall be shown on a landscape plan submitted with the building permit application to the Department of Buildings for review and approval according to standards maintained by the Department of Energy and Environment, which may require replacement of heavy or compacted soils with top and drainage mechanisms as necessary.

 

204.4
  1. 204.4
    A required transition setback may include a required side or rear yard provided all conditions of each section are met.

204.5
  1. 204.5
    No residential communal outdoor recreation space shall be located within fifty feet (50 ft.) of any lot line directly abutting an R zone extended as a vertical plane parallel to each abutting lot line.

204 Source Note

SOURCE:  Final Rulemaking & Order No. 18-16/19-27-19-27B published at 70 DCR (August 25, 2023)

205.1
  1. 205.1
    In any of the MU-1 through MU-15 zones, the maximum permitted height of a penthouse or rooftop structure, except as limited by Subtitle C § 1501 on the roof of a single household dwelling or flat, shall be as set forth in the following table:

 

TABLE G § 205.1: MAXIMUM PENTHOUSE AND ROOFTOP STRUCTURE HEIGHT AND NUMBER OF STORIES

Zones

Maximum Height

Maximum Number of Stories

MU-1

12 ft., except

18 ft. 6 in. for penthouse mechanical space

1;

Second story permitted for penthouse mechanical space

MU-2

20 ft.

1 plus mezzanine;

Second story permitted for penthouse mechanical space

MU-3A

MU-3B

MU-4

MU-11

MU-12

12 ft., except

15 ft. for penthouse mechanical space

1;

Second story permitted for penthouse mechanical space

MU-5A

MU-7A

MU-7B

MU-13

12 ft., except

18 ft. 6 in. for penthouse mechanical space

1;

Second story permitted for penthouse mechanical space

MU-5B

MU-8A

MU-8B

20 ft.

1;

Second story permitted for penthouse mechanical space

MU-6A

MU-6B

MU-9A

MU-9B

MU-10

MU-14

MU-15

20 ft.

1 plus mezzanine;

Second story permitted for penthouse mechanical space

205.2
  1. 205.2
    Notwithstanding Subtitle G § 205.1, in any of the MU-11 zones, a penthouse or rooftop structure less than ten feet (10 ft.) in height above a roof or parapet wall of a structure on Kingman Island shall not be subject to the requirements of Subtitle C, Chapter 15, if the top of the penthouse or rooftop structure is below the maximum building height prescribed for the MU-11 zone.

205 Source Note

SOURCE:  Final Rulemaking & Order No. 18-16/19-27-19-27B published at 70 DCR (August 25, 2023).

207.1
  1. 207.1
    Except as provided elsewhere in this title, in any of the MU-1 through MU-15 zones, the minimum required rear yard shall be as set forth in this section.

207.2
  1. 207.2
    In all MU zones, where a lot does not abut an alley, the rear yard shall be measured from the rear lot line to the rear wall of the building or other structure.

207.3
  1. 207.3
    Except as provided in Subtitle G § 207.4, in any of the MU-1 and MU-2 zones, a minimum rear yard of two and one-half inches (2.5 in.) per one foot (1 ft.) of vertical distance from the mean finished grade at the middle of the rear of the structure to the highest point of the main roof or parapet wall, but not less than twelve feet (12 ft.).

207.4
  1. 207.4
    In any of the MU-1 and MU-2 zones, the depth of rear yard required in Subtitle G § 207.4 may be measured as follows:
    1. (a)
      Where a lot abuts an alley, from the center line of the alley to the rear wall of the building or other structure. A rear yard on the lot need not be provided below a horizontal plane twenty feet (20 ft.) above the mean finished grade measured at the middle of the rear wall of that portion of the building or other structure below the twenty foot (20 ft.) plane; or
    2. (b)
      Where a lot does not abut an alley, the depth of rear yard shall be measured as specified in the definition of "rear yard," except a rear yard need not be provided below a horizontal plane twenty feet (20 ft.) above the mean finished grade measured at the middle of the rear wall of that portion of the building or other structure below the twenty foot (20 ft.) plane.  

207.5
  1. 207.5
    Except as provided in Subtitle G § 207.8, in any of the MU-3 zones, a minimum rear yard of twenty feet (20 ft.) shall be provided.

207.6
  1. 207.6
    Except as provided in Subtitle G § 207.8, in any of the MU-4 through MU-6 zones, a minimum rear yard of fifteen feet (15 ft.) shall be provided.

207.7
  1. 207.7
    Except as provided in Subtitle G § 207.8, in any of the MU-7 zones, a minimum rear yard of two and one-half inches (2.5 in.) per one foot (1 ft.) of vertical distance from the mean finished grade at the middle of the rear of the structure to the highest point of the main roof or parapet wall, but not less than twelve feet (12 ft.) shall be provided.

207.8
  1. 207.8
    In any of the MU-3 through MU-7 zones, the depth of rear yard required in Subtitle G §§ 207.5 through 207.7 may be measured as follows:
    1. (a)
      For that portion of the structure below a horizontal plane twenty feet (20 ft.) above the mean finished grade at the middle of the rear of the structure from the center line of the alley to the rear wall of the portion; and
    2. (b)
      For that portion of the structure above the horizontal plane described in Subtitle G § 207.8(a), the depth of rear yard shall be measured from the rear lot line to the rear wall of that portion immediately above the plane. 

207.9
  1. 207.9
    Except as provided in Subtitle G § 207.10, in any of the MU-8, MU-9, and MU-15 zones, a minimum rear yard of two and one-half inches (2.5 in.) per one foot (1 ft.) of vertical distance from the mean finished grade at the middle of the rear of the structure to the highest point of the main roof or parapet wall, but not less than twelve feet (12 ft.) shall be provided.

207.10
  1. 207.10
    In any of the MU-8, MU-9, and MU-15 zones, the depth of rear yard required in Subtitle G § 207.9 may be measured as follows:
    1. (a)
      Where a lot abuts an alley, from the center line of the alley to the rear wall of the building or other structure. A rear yard on the lot need not be provided below a horizontal plane twenty feet (20 ft.) above the mean finished grade measured at the middle of the rear wall of that portion of the building or other structure below the twenty foot (20 ft.) plane; or
    2. (b)
      Where a lot does not abut an alley, the depth of rear yard shall be measured as specified in the definition of "rear yard," except a rear yard need not be provided below a horizontal plane twenty feet (20 ft.) above the mean finished grade measured at the middle of the rear wall of that portion of the building or other structure below the twenty foot (20 ft.) plane.  

207.11
  1. 207.11
    Except as provided in Subtitle G § 207.12, in any of the MU-10 zones, a minimum rear yard of two and one-half inches (2.5 in.) per one foot (1 ft.) of vertical distance from the mean finished grade at the middle of the rear of the structure to the highest point of the main roof or parapet wall, but not less than twelve feet (12 ft.) shall be provided.

207.12
  1. 207.12
    In any of the MU-10 zones, rear yards are required only for residential uses and shall be established subject to the following conditions:
    1. (a)
      A rear yard shall be established no lower than the first level of residential use; and
    2. (b)
      Where a lot abuts an alley, the rear yard may be measured from the centerline of the alley to the rear wall of the building or other structure. 

207.13
  1. 207.13
    In any of the MU-11 through MU-14 zones, a minimum rear yard of twelve feet (12 ft.) shall be provided subject to the following conditions:
    1. (a)
      A rear yard is required only for residential uses and shall be established no lower than the first level of residential use;
    2. (b)
      Where a lot abuts an alley, the rear yard may be measured from the centerline of the alley to the rear wall of the building or other structure; and
    3. (c)
      Where a lot does not abut an alley, the rear yard shall be measured from the rear lot line to the rear wall of the building or other structure.

207.14
  1. 207.14
    Relief from the rear yard requirements of Subtitle G § 207 may be permitted if approved by the Board of Zoning Adjustment as a special exception pursuant to Subtitle X, Chapter 9, and subject to the following conditions:
    1. (a)
      No apartment window shall be located within forty feet (40 ft.) directly in front of another building;
    2. (b)
      No office window shall be located within thirty feet (30 ft.) directly in front of another office window, nor eighteen feet (18 ft.) in front of a blank wall;
    3. (c)
      In buildings that are not parallel to the adjacent buildings, the angle of sight lines and the distance of penetration of sight lines into habitable rooms shall be considered in determining distances between windows and appropriate yards;
    4. (d)
      Provision shall be included for service functions, including parking and loading access and adequate loading areas; and
    5. (e)
      Upon receiving an application for relief from rear yard requirements of this section, the Board of Zoning Adjustment shall submit the application to the Office of Planning for coordination, review, report, and impact assessment, along with coordination of reviews in writing from all relevant District of Columbia departments and agencies, including:
      1. (1)
        The District Department of Transportation;
      2. (2)
        The Department of Housing and Community Development; and
      3. (3)
        The Historic Preservation Office if the application involves a historic district or historic landmark.

 

207 Source Note

SOURCE:  Final Rulemaking & Order No. 18-16/19-27-19-27B published at 70 DCR (August 25, 2023)

208.1
  1. 208.1
    Except as provided elsewhere in this title, in any of the MU-1 through MU-15 zones, the minimum side yard shall be as set forth in this section.

208.2
  1. 208.2
    In any of the MU-1 through MU-10 and MU-15 zones, no side yard is required for a building or structure other than a detached or semi-detached single household dwelling; however, if a side yard is provided, it shall be at least two inches (2 in.) wide for each one foot (1 ft.) of height of building, but no less than five feet (5 ft.).

208.3
  1. 208.3
    In any of the MU-1 through MU-10 and MU-15 zones, a minimum side yard of eight feet (8 ft.) shall be provided for a detached or semi-detached single household dwelling.

208.4
  1. 208.4
    Notwithstanding Subtitle G §§ 208.2 and 208.3, in the MU-10 zone on Square 175, a side yard shall be provided for a building or structure for a minimum width of twelve feet (12 ft.) from any lot line adjoining an RA zone for the first one hundred forty-five feet (145 ft.) of horizontal depth as measured from the lot line on U Street, N.W.

208.5
  1. 208.5
    In any of the MU-11 zones, for any building or structure located in whole or in part on land, the minimum width of each side yard shall be twelve feet (12 ft.).

208.6
  1. 208.6
    In any of the MU-12, MU-13, and MU-14 zones, no side yard shall be required; however, if a side yard is provided, it shall be at least eight feet (8 ft.) in width.

208.7
  1. 208.7
    Any portion of a building set back from the side lot line shall be considered a side yard and not a court.

208 Source Note

SOURCE:  Final Rulemaking & Order No. 18-16/19-27-19-27B published at 70 DCR (August 25, 2023); Final Rulemaking & Order No. 23-26 published at 73 DCR 2309 (February 20, 2026)

209.1
  1. 209.1
    Courts are not required in any of the MU-1 through MU-15 zones; however, where a court is provided, the court shall have the following minimum dimensions:
TABLE G § 209.1: MINIMUM COURT DIMENSIONS

Type of Structure

Open Court

Minimum Width

Closed Court

Minimum Width

Minimum Area

Residential, 3 or more units

4 in. per 1 ft. of height of court but not less than

10 ft.

4 in. per 1 ft. of height of court; but not less than

15 ft.

Twice the square of the required width of court dimension based on the height of the minimum court width; but not less than 350 sq. ft.

All Other Structures

2.5 in. per 1 ft. of height of court but not less than

6 ft.

2.5 in. per 1 ft. of height of court; but not less than

12 ft.

Twice the square of the required width of court dimension based on the height of the minimum court width; but not less than 250 sq. ft.

209 Source Note

SOURCE:  Final Rulemaking & Order No. 18-16/19-27-19-27B published at 70 DCR (August 25, 2023)

210.1
  1. 210.1
    Except as provided in Subtitle G § 210.4 and elsewhere in this title, in any of the MU-1 through MU-15 zones, the maximum permitted lot occupancy for a residential use shall be as set forth in the following table:
TABLE G § 210.1: MAXIMUM LOT OCCUPANCY FOR RESIDENTIAL USE

Zones

Maximum Percentage of Lot Occupancy (%)

MU-1

80

MU-2

80

90 (IZ)

MU-3A

60

MU-3B

60

75 (IZ)

MU-4

60

75 (IZ)

MU-5A

MU-5B

80

MU-6A

MU-6B

75

80 (IZ)

MU-7A

MU-7B

75

80 (IZ)

MU-8A

MU-8B

N/A

MU-9A

MU-9B

N/A

MU-10

75

80 (IZ)

MU-11

See Subtitle G § 210.3

MU-12

80

MU-13

75

MU-14

75

80 (IZ)

MU-15

N/A

210.2
  1. 210.2
    In any of the MU-10 zones the percentage of lot occupancy may be calculated on a horizontal plane located at the lowest level where residential uses begin, “residential uses” includes single household dwellings, flats, multiple dwellings, rooming and boarding houses, hospitals, and community-based residential facilities.

210.3
  1. 210.3
    In any of the MU-11 zones no building or portion of a building, including accessory buildings, shall occupy greater than twenty-five percent (25%) of the lot upon which it is located, provided that:
    1. (a)
      The lot occupancy on a lot used exclusively for a recreational use, marina, yacht club, or boathouse buildings and structures shall not exceed fifty percent (50%); and
    2. (b)
      For the purposes of this section, “lot occupancy” shall be the total area occupied by all buildings and structures located on land and by any associated permanent structure located on, in, or over water, other than a floating home, divided by the total area of the lot. 

210.4
  1. 210.4
    Notwithstanding Subtitle G § 210.1, lots 835 and 840 in Square 5539 shall not exceed a sixty percent (60%) maximum lot occupancy for all residential and non-residential uses.

210.5
  1. 210.5
    In any of the MU-1, MU-2, or MU-10 through MU-14 zones, except as provided for in Subtitle G § 210.6, a public recreation and community center shall not occupy more than twenty percent (20%) of the lot upon which it is located.

210.6
  1. 210.6
    In any of the MU-1, MU-2, and MU-10 through MU-14 zones, relief from the maximum lot occupancy standards of Subtitle G § 210.5 for public recreation and community centers may be permitted up to a maximum of forty percent (40%) if approved by the Board of Zoning Adjustment as a special exception pursuant to Subtitle X, Chapter 9, provided the applicant demonstrates to the Board’s satisfaction that the increase is consistent with agency policy of preserving open space.

210 Source Note

SOURCE:  Final Rulemaking & Order No. 18-16/19-27-19-27B published at 70 DCR (August 25, 2023)

211.1
  1. 211.1
    The minimum required green area ratio (GAR) in any of the MU-1 through MU-10 and MU-12 through MU-15 zones shall be as set forth in the following table:
TABLE G § 211.1: MINIMUM GREEN AREA RATIO

Zones

Minimum GAR

MU-1

MU-2

MU-3

MU-4

MU-5

MU-6

MU-12

MU-13

MU-14

0.30

MU-7

MU-8

0.25

MU-9

MU-10

MU-15

0.20

211 Source Note

SOURCE:  Final Rulemaking & Order No. 18-16/19-27-19-27B published at 70 DCR (August 25, 2023)

212.1
  1. 212.1
    In any of the MU-10 zones, a plaza comprising eight percent (8%) of the lot area shall be provided for development on a lot of greater than ten thousand square feet (10,000 sq. ft.), in accordance with the provisions of Subtitle C, Chapter 17.

212 Source Note

SOURCE:  Final Rulemaking & Order No. 18-16/19-27-19-27B published at 70 DCR (August 25, 2023).

213.1
  1. 213.1
    Subtitle C § 1102, General Waterfront Regulations, shall apply to any of the MU-11 through MU-14 zones.

213.2
  1. 213.2
    Notwithstanding Subtitle C § 1102.1(a), in any of the MU-11 zones a waterfront setback of not less than one hundred feet (100 ft.) to any building or structure shall be provided.

213 Source Note

SOURCE:  Final Rulemaking & Order No. 18-16/19-27-19-27B published at 70 DCR (August 25, 2023).

300.1
  1. 300.1
    The base zone development standards in Subtitle G, Chapter 2 shall apply to the MU-1/DC, MU-2/DC, MU-4/DC, MU-5A/DC, MU-6B/DC, MU-8B/DC, MU-9B/DC, and MU-10/DC zones except as specifically modified by this chapter. In the event of a conflict between the provisions of this chapter and other regulations of this title, the provisions of this chapter shall control.

300.2
  1. 300.2
    In addition to the purposes of the MU zones, the purposes of the Dupont Circle Mixed-Use (MU-1/DC, MU-2/DC, MU-4/DC, MU-5A/DC, MU-6B/DC, MU‑8B/DC, MU-9B/DC, and MU-10/DC) zones are to:
    1. (a)
      Recognize the Dupont Circle area is a unique resource in the District of Columbia that must be preserved and enhanced;
    2. (b)
      Provide strong protections to retain its low scale, predominantly residential character, independent small retail businesses, human scale streetscapes, and historic character;
    3. (c)
      Enhance the residential character of the area by maintaining existing residential uses and controlling the scale and density of residential development;
    4. (d)
      Protect the integrity of “contributing buildings”, as that term is defined by the Historic Landmark and Historic District Protection Act of 1978, effective March 3, 1979 (D.C. Law 2-144, as amended; D.C. Official Code §§ 6-1101 to 6-1115 (formerly codified at D.C. Official Code §§ 5- 1001 to 5-1015 (1994 Repl. & 1999 Supp.));
    5. (e)
      Preserve areas planned as open gardens and backyards and protect the light, air, and privacy that they provide;
    6. (f)
      Enhance the streetscape by maintaining the public space in front of buildings as landscaped green spaces; and
    7. (g)
      Encourage greater use of public transportation and the free circulation of vehicles through public streets and alleys.

 

300.3
  1. 300.3
    The MU-1/DC, MU-2/DC, MU-4/DC, MU-5A/DC, MU-6B/DC, MU-8B/DC, MU-9B/DC, and MU-10/DC zones require a scale of development consistent with the nature and character of the Dupont Circle area in height and bulk and ensures a general compatibility in the scale of new buildings with older, low-scale buildings. 

301.1
  1. 301.1
    In the MU-1/DC, MU-2/DC, MU-4/DC, MU-5A/DC, MU-6B/DC, MU-8B/DC, MU-9B/DC, and MU-10/DC zones the matter-of-right limits on building height, floor area ratio, and penthouse and rooftop structure height of Subtitle G, Chapter 2 shall serve as the maximum permitted building height, floor area ratio, and penthouse and rooftop structure height for a planned unit development. 

302.1
  1. 302.1
    No driveway providing access to required parking spaces or loading berths shall be permitted along Connecticut Avenue from N Street, N.W., to Florida Avenue, N.W.

400.1
  1. 400.1
    The base zone development standards in Subtitle G, Chapter 2 shall apply to the MU-2/CAP, MU-4/CAP, MU-4/CHC, and MU-4/CAP/CHC zones except as specifically modified by this chapter. In the event of a conflict between the provisions of this chapter and other regulations of this title, the provisions of this chapter shall control.

400.2
  1. 400.2
    In addition to the purposes of the MU zones, the purposes of the Capitol Interest Mixed-Use zones (MU-2/CAP, MU-4/CAP, and MU-4/CAP/CHC) are to:
    1. (a)
      Promote and protect the public health, safety, and general welfare of the U.S. Capitol precinct and the area adjacent to this jurisdiction, in a manner consistent with the goals and mandates of the United States Congress in Title V of the Legislative Branch Appropriation Act, 1976 (Master Plan for Future Development of the Capitol Grounds and Related Areas), approved July 25, 1975 (Pub. L. No. 94-59, 89 Stat. 288), and in accordance with the plan submitted to the Congress pursuant to the Act;
    2. (b)
      Respect the importance of and provide sufficient controls for the area adjacent to the U.S. Capitol;
    3. (c)
      Provide particular controls adjacent to properties having a well-recognized general public interest; and
    4. (d)
      Restrict some of the permitted uses to reduce the possibility of harming the site, building, or zone to be protected.

400.3
  1. 400.3
    In addition to the purposes of the MU zones, the purposes of the Capitol Hill Commercial Mixed-Use zones (MU-4/CHC and MU-4/CAP/CHC) are to:
    1. (a)
      Encourage the adaptive use and reuse of existing buildings, many of which are located in the Capitol Hill Historic District, particularly with respect to the portions of the buildings that exceed the commercial floor area ratio permitted in the underlying zones;
    2. (b)
      Concentrate non-residential uses in commercial zones in certain areas of Capitol Hill, thereby enhancing and protecting the residential character of the areas surrounding the commercial zones and relieving pressure to use properties zoned residential for commercial uses; and
    3. (c)
      Provide appropriate incentives for new infill construction that is compatible with the Capitol Hill Historic District and its predominance of low-scale row house structures.

401.1
  1. 401.1
    The maximum permitted FAR in the MU-2/CAP, MU-4/CAP, MU-4/CHC, and MU-4/CAP/CHC zones shall be as set forth in the following table:

 

TABLE G § 401.1: MAXIMUM PERMITTED FLOOR AREA RATIO

Zones

Maximum Total FAR

Maximum Non-Residential FAR

MU-2/CAP

1.8

2.16 (IZ)

1.8

MU-4/CAP

1.8

2.16 (IZ)

1.5

MU-4/CHC

3.0

3.0 (IZ)

3.0

MU-4/CAP/CHC

2.5

2.5 (IZ)

2.5

 

401.2
  1. 401.2
    In the MU-4/CAP zone, an existing building on a lot with an area ten thousand square feet (10,000 sq. ft.) or less may have a maximum density of 1.8 FAR for non-residential uses, provided the uses are located in the ground story and the story directly above the ground story.

401.3
  1. 401.3
    In the MU-4/CHC and MU-4/CAP/CHC zones, an existing building on a lot with an area ten thousand square feet (10,000 sq. ft.) or less may have a maximum density of 2.0 FAR for non-residential uses, provided the uses are located in the ground story and the story directly above the ground story.

402.1
  1. 402.1
    In the MU-2/CAP, MU-4/CAP, and MU-4/CAP/CHC zones, the maximum permitted height of all buildings or structures, not including a penthouse or rooftop structure, shall be forty feet (40 ft.) and three (3) stories.

403.1
  1. 403.1
    In the MU-2/CAP, MU-4/CAP, and MU-4/CAP/CHC zones, the maximum permitted height of a penthouse or rooftop structure, except as limited by Subtitle C § 1501 on the roof of a single household dwelling or flat, shall be ten feet (10 ft.), and the maximum number of stories within the penthouse or rooftop structure shall be one (1).

404.1
  1. 404.1
    In reviewing an application for a special exception in the MU-2/CAP, MU-4/CAP, and MU-4/CAP/CHC zones, in addition to the applicable criteria of this subtitle and of Subtitle X, Chapter 9, the Board of Zoning Adjustment shall consider whether the proposed development is:
    1. (a)
      Compatible with the present and proposed development of the neighborhood;
    2. (b)
      Consistent with the goals and mandates of the United States Congress in title V of the Legislative Branch Appropriation Act, 1976 (Master Plan for Future Development of the Capitol Grounds and Related Areas), approved July 25, 1975 (Pub. L. No. 94-59, 89 Stat. 288); and
    3. (c)
      In accordance with the plan promulgated under the Act. 

 

 

 

404.2
  1. 404.2
    Upon receipt of the application, the Board of Zoning Adjustment shall refer the application to:
    1. (a)
      The Architect of the Capitol for review and report; and
    2. (b)
      The Office of Planning for review, report, and impact assessment along with coordination of reviews in writing of all relevant District departments and agencies including:
      1. (1)
        The District Department of Transportation;
      2. (2)
        The Department of Housing and Community Development; and
      3. (3)
        The Historic Preservation Office if the application involves a historic district or historic landmark. 

404.3
  1. 404.3
    The Board may require special treatment and impose reasonable conditions as it deems necessary to mitigate any adverse impacts identified in the consideration of the application.

500.1
  1. 500.1
    The base zone development standards in Subtitle G, Chapter 2 shall apply to the MU-4/NO zone except as specifically modified by this chapter. In the event of a conflict between the provisions of this chapter and other regulations of this title, the provisions of this chapter shall control.

500.2
  1. 500.2
    In addition to the purposes of the MU-4 zone, the purposes of the Naval Observatory Mixed-Use zone (MU-4/NO) are to:
    1. (a)
      Promote the public health, safety, and general welfare on land adjacent to or in close proximity to the highly sensitive and historically important Naval Observatory, in keeping with the goals and policies of the Federal and District elements of the Comprehensive Plan and the adopted Master Plan for that facility;
    2. (b)
      Ensure that public land within the zone shall be used in a manner consistent with the historic or ceremonial importance and special mission of the Naval Observatory;
    3. (c)
      Reflect the importance of the Naval Observatory to the District of Columbia and the Nation;
    4. (d)
      Protect Federal interest concerns, including the critical scientific mission performed at the Naval Observatory and the security needs of the Vice President's residence.
    5. (e)
      Reduce or eliminate any possible harm or restrictions on the mission of the Federal establishment within the zone; and

501.1
  1. 501.1
    In the MU-4/NO zone, the maximum permitted height for all buildings, not including a penthouse or rooftop structure, shall be forty feet (40 ft.).

501.2
  1. 501.2
    In the MU-4/NO zone, the height of a building shall be measured as follows:
    1. (a)
      The height of a building shall be the vertical distance measured from the level of the curb opposite the middle of the front of the building to the highest point of the roof or parapet; and
    2. (b)
      The curb elevation opposite the middle of the front of the building shall be determined as the average elevation of the lot from its front line to its rear lot line.

502.1
  1. 502.1
    The maximum permitted height of a penthouse or rooftop structure, except as limited in Subtitle C § 1501 on the roof of a single household dwelling or flat, shall be twelve feet (12 ft.); except fifteen feet (15 ft.) shall be permitted for penthouse mechanical space, and the maximum number of stories shall be one (1).

502.2
  1. 502.2
    A penthouse or rooftop structure permitted by this section shall contain no form of habitable space, other than ancillary space associated with a rooftop deck.

503.1
  1. 503.1
    In the MU-4/NO zone, the provisions of Subtitle X, Chapter 3 shall not operate to permit a planned unit development to exceed the height limits of Subtitle G § 501, or the area, bulk, and yard standards that apply as a matter of right in the MU-4 zone. 

504.1
  1. 504.1
    In reviewing an application for a special exception in the MU-4/NO zone, in addition to the applicable criteria of this subtitle and Subtitle X, Chapter 9, the Board of Zoning Adjustment shall consider whether the proposed development is compatible with the following:   
    1. (a)
      Present and proposed development within and adjacent to the MU‑4/NO zone;
    2. (b)
      Goals, objectives, and policies pertaining to Federal facilities, as found in the Comprehensive Plan and the Master Plans for the Federal facilities within the MU-4/NO zone; and
    3. (c)
      Role, mission, and functions of the Federal facilities within the MU‑4/NO zone, considering the effect that the proposed development would have on such facilities. 

504.2
  1. 504.2
    Before taking action on an application, the Board of Zoning Adjustment shall submit the application to the following agencies for review and written reports:

 

  1.  
    1. (a)
      The Office of Planning;
    2. (b)
      The District Department of Transportation;
    3. (c)
      The Department of Housing and Community Development;
    4. (d)
      The Historic Preservation Office if a historic district or historic landmark is involved; and
    5. (e)
      The National Capital Planning Commission.

504.3
  1. 504.3
    The Board of Zoning Adjustment may require special treatment and impose reasonable conditions as it deems necessary to mitigate any adverse impacts identified in the consideration of the application.

600.1
  1. 600.1
    The base zone development standards in Subtitle G, Chapter 2 shall apply to the MU-7B/FT and MU-10/FT zones except as specifically modified by this chapter. In the event of a conflict between the provisions of this chapter and other regulations of this title, the provisions of this chapter shall control.

600.2
  1. 600.2
    In addition to the purposes of the MU zones, the purposes of the Fort Totten Mixed-Use zones (MU-7B/FT and MU-10/FT) are to:
    1. (a)
      Encourage future residential and commercial development while enabling existing industries to remain in the District; and
    2. (b)
      Protect surrounding residential areas from the adverse impacts of existing industrial support uses by means of the buffering standards. 

601.1
  1. 601.1
    In the MU-10/FT zone, the maximum permitted FAR shall be as set forth in the following table:
TABLE G § 601.1: MAXIMUM PERMITTED FLOOR AREA RATIO

Zones

Maximum Total FAR

Maximum Non-Residential FAR

MU-10/FT

5.0

6.0 (IZ)

3.0

602.1
  1. 602.1
    In the MU-10/FT zone, the maximum building height, including a penthouse or rooftop structure, shall be sixty-five feet (65 ft.). 

602.2
  1. 602.2
    In the MU-10/FT zone, a building may be erected to a height of eighty feet (80 ft.) or ninety feet (90 ft.) for Inclusionary Developments, including a penthouse or rooftop structure, subject to the provision of special architectural features, roof parapet detailing, and design consideration of penthouses and rooftop structures to ensure that the views and vistas from the historic fortification of Fort Totten are not degraded or obstructed.  Prior to the issuance of a building permit, the Office of Planning shall review and provide a written report with recommendation on the building’s satisfaction of this requirement to the Zoning Administrator.

603.1
  1. 603.1
    In the MU-10/FT zones, the maximum permitted height of a penthouse or rooftop structure, except as limited by Subtitle C § 1501 on the roof of a single household dwelling or flat, shall be as set forth in the following table:
TABLE G § 603.1: MAXIMUM PERMITTED PENTHOUSE AND ROOFTOP STRUCTURE HEIGHT AND NUMBER OF STORIES

Zones

Maximum Height (ft.)

Maximum Number of Stories

MU-10/FT

A penthouse or rooftop structure shall be included within the maximum permitted building height

1

603 Source Note

SOURCE:  Final Rulemaking & Order No. 18-16/19-27-19-27B published at 70 DCR (August 25, 2023)

700.1
  1. 700.1
    The base zone development standards in Subtitle G, Chapter 2 shall apply to the MU-4/RC and MU-5A/RC zones except as specifically modified by this chapter. In the event of a conflict between the provisions of this chapter and other regulations of this title, the provisions of this chapter shall control.

700.2
  1. 700.2
    In addition to the purposes of the MU-4 and MU-5A zones, the purposes of the Reed-Cooke Mixed-Use (MU-4/RC and MU-5A/RC) zones are to:
    1. (a)
      Protect current housing and provide for the development of new housing;
    2. (b)
      Maintain heights and densities at appropriate levels;
    3. (c)
      Encourage small-scale business development that will not adversely affect the residential community;
    4. (d)
      Ensure that new nonresidential uses serve the local community by providing retail goods, personal services, and other activities that contribute to the satisfaction of unmet social, service, and employment needs in the Reed-Cooke and Adams Morgan community;
    5. (e)
      Protect adjacent and nearby residences from damaging traffic, parking, environmental, social, and aesthetic impacts; and
    6. (f)
      Ensure the preservation and adaptive reuse of the First Church of Christ Scientist building, located on Lot 872 of Square 2560, through a planned unit development process.

 

701.1
  1. 701.1
    In the MU-4/RC and MU-5A/RC zones, in addition to other applicable provisions of this title, the requirements of this chapter shall apply to:
    1. (a)
      All new construction;
    2. (b)
      All additions, alterations, or repairs that, within any eighteen (18) month period, exceed in cost fifty percent (50%) of the assessed value of the structure as set forth in the records of the Office of Tax and Revenue on the date of the application for a building permit;
    3. (c)
      Any use that requires a change in the use listed on the owner's or lessee's certificate of occupancy; and
    4. (d)
      Any existing use that requires a new permit from the Alcoholic Beverage Control Board.  

701.2
  1. 701.2
    If there is a dispute between the property owner and the Zoning Administrator about the cost pursuant to Subtitle G § 701.1(b), the cost shall be determined by the average of the estimates furnished by three (3) independent qualified contractors selected in the following manner:
    1. (a)
      The first shall be selected by the owner;
    2. (b)
      The second shall be selected by the Zoning Administrator; and
    3. (c)
      The third shall be selected by the first two (2) contractors.  

701.3
  1. 701.3
    The estimates provided for by Subtitle G § 701.2 shall be prepared and submitted according to a standard procedure and format established by the Zoning Administrator.

701.4
  1. 701.4
    The cost of estimates shall be at the expense of the property owner.

702.1
  1. 702.1
    In the MU-4/RC and MU-5A/RC zones, the maximum permitted height of all buildings or structures, not including a penthouse or rooftop structure, shall be as set forth in the following table:
TABLE G § 702.1: MAXIMUM HEIGHT AND NUMBER OF STORIES

Zones

Maximum Height, Not Including Penthouse or Rooftop Structure (ft.)

Maximum Number of Stories

MU-4/RC

40

No Limit

MU-5A/RC

40

50 (IZ)

No Limit

702.2
  1. 702.2
    In the MU-5A/RC zone, a building shall be permitted a maximum height of fifty feet (50 ft.), not including a penthouse or rooftop structure, provided fifty percent (50%) of the additional gross floor area made possible by the height bonus is devoted to low and moderate income household units, as defined by the Department of Housing and Community Development (DHCD).

703.1
  1. 703.1
    In the MU-4/RC zone, the maximum permitted height of a penthouse or rooftop structure, except as limited in Subtitle C § 1501 on the roof of a single household dwelling or flat, shall be as set forth in the following table:
TABLE G § 703.1: MAXIMUM PENTHOUSE OR ROOFTOP STRUCTURE HEIGHT AND NUMBER OF STORIES

Zones

Maximum Height

Maximum Number of Stories

MU-4/RC

12 ft., except

15 ft. for penthouse or rooftop structure mechanical space

1

 

704.1
  1. 704.1
    In the MU-4/RC and MU-5A/RC zones, the provisions of Subtitle X, Chapter 3 shall not operate to permit a planned unit development to exceed the matter-of-right limits on floor area ratio, building height, and penthouse and rooftop structure height of Subtitle G §§ 201, 702, and 703.

704.2
  1. 704.2
    Notwithstanding Subtitle G § 704.1, the Zoning Commission, as part of a planned unit development permitting a hotel integrating the First Church Christ Scientist building on a new lot created by combining Lots 872, 875, and 127 of Square 2560, may permit a building height on former Lots 875 and 127 not to exceed seventy-two feet (72 ft.) measured from Euclid Street, and an overall building density not to exceed 3.99 FAR.

705.1
  1. 705.1
    In reviewing an application for a special exception in the MU-4/RC and MU‑5A/RC zones, in addition to the applicable criteria of this subtitle and Subtitle X, Chapter 9, the Board of Zoning Adjustment shall consider whether the proposed development is compatible with the following:
    1. (a)
      The use, building, or feature at the size, intensity, and location proposed will substantially advance the stated purposes of the MU-4/RC and MU‑5A/RC zones;
    2. (b)
      Vehicular ingress and egress shall be designed and located so as to minimize conflict with pedestrian ways, to function efficiently, and to create no dangerous or otherwise objectionable traffic condition;
    3. (c)
      Adequate off-street parking shall be provided for employees and for trucks and other service vehicles;
    4. (d)
      Noise associated with the operation of a proposed use will not adversely affect adjacent or nearby residences;
    5. (e)
      No outdoor storage of materials, nor outdoor processing, fabricating, or repair shall be permitted; 
    6. (f)
      The use, building, or feature at the size, intensity, and location proposed will not adversely affect adjacent and nearby property or be detrimental to the health, safety, convenience, or general welfare of persons living, working, or visiting in the area; and
    7. (g)
      If located within a MU-5A/RC zone, the use shall not be within twenty-five feet (25 ft.) of a residentially zoned property, unless separated there from by a street or alley.

706.1
  1. 706.1
    No side yard is required for a principal building other than a detached single dwelling unit or semi-detached single dwelling unit; however, if a side yard is provided, it shall be at least two inches (2 in.) wide for each one foot (1 ft.) of height of building, but no less than five feet (5 ft.).

706.2
  1. 706.2
    A side yard for a detached single dwelling unit or semi-detached single dwelling unit shall be a minimum of eight feet (8 ft.).

706.3
  1. 706.3
    Any portion of a building set back from the side lot line shall be considered a side yard and not a court.

4900.1
  1. 4900.1
    The provisions of this chapter govern the height and bulk of public school buildings.

4901.1
  1. 4901.1
    The specific standards of this chapter shall govern public schools; in the absence of specific standards, the development standards for the zone in which the building or structure is proposed shall apply.

4902.1
  1. 4902.1
    Public schools shall be permitted a maximum FAR as set forth in the following table:
 
TABLE G § 4902.1: MAXIMUM FLOOR AREA RATIO FOR PUBLIC SCHOOLS

Zones

Maximum FAR

All MU-1, MU-2, MU-10 zones

3.0

All MU-3 zones

1.8

All other MU zones

As permitted for residential (non-IZ) uses by zone

 

4903.1
  1. 4903.1
    Penthouses or rooftop structures shall be subject to the regulations of Subtitle C, Chapter 15, and to the height and story limitations specified in each zone of this subtitle; provided that public schools shall be permitted a mechanical penthouse to a maximum height of eighteen feet six inches (18 ft. 6 in.) or the permitted mechanical penthouse height in the zone, whichever is greater. 

4904.1
  1. 4904.1
    A minimum rear yard shall be provided as required by the zone within which the lot is located; provided that no rear yard shall be required for a lot that abuts or adjoins along the rear lot line a public open space, recreation area, or reservation.

4905.1
  1. 4905.1
    In the case of a lot that abuts or adjoins a public open space, recreation area, or reservation on a side lot line, no side yard shall be required.

4906.1
  1. 4906.1
    Exceptions to the development standards of this chapter for public schools shall be permitted as a special exception if approved by the Board of Zoning Adjustment under Subtitle X, Chapter 9.

5100.1
  1. 5100.1
    The following development standards shall apply to buildings on Alley Record Lots in MU zones:
TABLE G § 5100.1: ALLEY LOT DEVELOPMENT STANDARDS (MU)
(a)

Maximum Height

 

 MU-6. MU-8, MU-9, MU-10, and MU-15 zones 

30 ft. and 3 stories, including a penthouse or rooftop structure

 

All other MU zones

20 ft. and 2 stories, including the penthouse or rooftop structure
(b)

Minimum Rear Yard

5 ft. from any lot line of all abutting non-Alley Lots

(c)

Minimum Side Yard

5 ft. from any lot line of all abutting non-Alley Lots

(d)

Minimum Alley Centerline Setback

7.5 ft. from the centerline of all abutting alleys

(e)

Minimum Green Area Ratio

As required by zone

5100.2
  1. 5100.2
    Uses on Alley Lots shall be as permitted in Subtitle U, Chapter 6.

604.1
  1. 604.1
    In the MU-10/FT zone, the maximum permitted lot occupancy for residential use shall be as set forth in the following table:
TABLE G § 604.1: MAXIMUM PERMITTED LOT OCCUPANCY FOR RESIDENTIAL USE

Zones

Maximum Percentage of Lot Occupancy (%)

MU-10/FT

75

75 (IZ)

  

605.1
  1. 605.1
    In the MU-7B/FT and MU-10/FT zones, a business or industrial use that expands consistent with the development standards of this chapter shall comply with the setback and screening standards of this section.

605.2
  1. 605.2
    If the lot line of the lot being developed coincides with the lot line of a property in a residential zone as defined in Subtitle A § 101.9, or is separated only by a street or alley from a property in such a residential zone, where the property is not owned by a business or industrial user and the property is not being used for residential purposes, the following standards shall apply:
    1. (a)
      A setback of twenty-five feet (25 ft.) shall be provided on the portion of the lot adjacent to the residential zone; provided, that the following requirements are met:
      1. (1)
        Where there is a street or an alley between the residential lot and the lot subject to the MU-7B/FT or MU-10/FT zones, the required setback shall be fifteen feet (15 ft.) measured from the lot line;
      2. (2)
        The yard shall not be used for parking, loading, or accessory uses;
      3. (3)
        The yard shall be landscaped with evergreen trees in a healthy growing condition which shall be a minimum of six feet to eight feet (6 ft. to 8 ft.) in height when planted; and
      4. (4)
        Planting locations and soil preparation techniques shall be shown on a landscape plan submitted with the building permit application to the Department of Buildings for review and approval according to standards maintained by the Department of Energy and Environment, which may require replacement of heavy or compacted soils with top and drainage mechanisms as necessary; and
    2. (b)
      A fence or wall shall be erected as a buffer between the residential lot(s) not owned by a business or industrial user that abut a lot affected by this zone; provided, that the fence or wall shall be no less than eight feet (8 ft.) and no more than ten feet (10 ft.) in height, and shall be either a solid, wood, board-on-board fence, or a brick or stone wall.