General Regulations
Table 13.1. Dimensional Standards for Accessory Buildings and Structures for Residential Uses and C-1, C-2, C-3, and TND Zones | ||
|---|---|---|
Standard | Detached Accessory Buildings | |
Location | Rear yard | |
Setbacks* | – | |
Side | 5 feet | |
Rear | 5 feet | |
Distance from main building | 10 feet | |
Maximum height | The maximum height of accessory buildings and structures shall not exceed the height of the principal structure. See § 440-142, Height limit exemptions. | |
Maximum lot coverage | Must be included in calculation of coverage for principal building | |
NOTES: | |
|---|---|
* | The minimum setback may be adjusted based on the location of tax ditch easements. Contact the Tax Ditch Association (DNREC) to determine easement locations. |
Table 13.2. Dimensional Standards for Accessory Buildings and Structures for Manufacturing and Industrial Park Manufacturing Zones | ||
|---|---|---|
Standard | Detached Accessory Buildings | |
Location | Front, side, and rear | |
Setbacks | — | |
Front | 20 feet | |
Side | 5 feet | |
Rear | 20 feet | |
Distance from adjacent Residential Zone | 100 feet | |
Maximum height | 45 feet | |
Maximum lot coverage | Must be included in calculation of coverage for principal building | |
Table 13.3. Dimensional and Density Standards | ||||||||
|---|---|---|---|---|---|---|---|---|
Minimum Lot Requirements | Minimum Setback Line Requirement | |||||||
Zone | Lot Area (square feet)4 | Width (feet) | Depth (feet) | Front5 (feet) | Side (feet) | Rear (feet) | Max. Height1 (feet) | Max. Lot Coverage2 (%) |
R-1 Single-Family Residential | ||||||||
Single-family detached | 5,000 | 50 | 100 | 20 | 6 | 30 | 35 | 50% |
Manufactured home | 5,000 | 50 | 100 | 20 | 6 | 10 | 35 | 50% |
R-2 Duplex Residential | ||||||||
Single-family detached | 5,000 | 50 | 100 | 20 | 6 | 30 | 35 | 50% |
Duplex | 3,000/ unit 6,000/ duplex | 30/unit 60/duplex | 100 | 20 | 6 | 30 | 35 | 50% |
R-3 Townhouse Residential | ||||||||
Single-family detached | 4,000 | 40 | 100 | 20 | 6 | 30 | 35 | 60% |
Duplex | 2,500/ unit 5,000/ duplex | 25/unit 50/duplex | 100 | 20 | 6 | 30 | 35 | 60% |
Townhouse | 1,800 | 18 | 100 | 15 | See § 440-42 | 30 | 35 | 70% |
R-4 Multifamily Residential | ||||||||
Single-family detached | 4,000 | 40 | 100 | 20 | 6 | 30 | 35 | 60% |
Duplex | 2,500/ unit 5,000/ duplex | 25/unit 50/duplex | 100 | 20 | 6 | 30 | 35 | 60% |
Townhouse | 1,800 | 18 | 100 | 15 | See § 440-42 | 30 | 35 | 70% |
Multifamily | 7,500 | 75 | 100 | 15 | See § 440-52 | See § 440-52 | 45 | 70% |
C-1 Neighborhood Commercial | ||||||||
Commercial | 7,500 | 75 | 100 | 20 | 10 | 20 | 35 | 70% |
Single-family detached | 4,000 | 40 | 100 | 20 | 6 | 30 | 35 | 60% |
Duplex | 2,500/ unit 5,000/ duplex | 25/unit 50/duplex | 100 | 20 | 6 | 30 | 35 | 60% |
C-2 Central Commercial | ||||||||
Commerical/Mixed use/nonresidential | 2,500 | 25 | 100 | Min-0 Max-15 | See § 440-73 | See § 440-73 | Min-2 stories Max-35 | 85% |
Single-family detached | 3,600 | 36 | 100 | Min-0 Max-30 | 6 | 20 | Min-2 stories Max-35 | 85% |
Duplex | 2,500/ unit 5,000/ duplex | 25/unit 50/duplex | 100 | Min-0 Max-30 | 6 | 20 | Min-2 stories Max-35 | 85% |
Townhouse | 1,800 | 18 | 100 | Min-0 Max-30 | See § 440-42 | 20 | Min-2 stories Max-35 | 85% |
Multifamily | 7,500 | 75 | 100 | Min-0 Max-15 | See § 440-52 | See § 440-52 | 45 | 85% |
C-3 Service Commercial | ||||||||
Commercial | 7,500 | 75 | 150 | 25 | 10 | 20 | 35 | 50% |
TND Traditional Neighborhood Development | ||||||||
Single-family detached | 2,880 | 36 | 80 | Min-5 Max-30 | 5 | 20 | Max-35 | 70% |
Duplex | 2,000/ unit 4,000/ duplex | 25/unit 50/duplex | 80 | Min-5 Max-30 | 5 | 20 | Min-2 stories Max-35 | 70% |
Townhouse | 1,440 | 18 | 80 | Min-5 Max-30 | See § 440-42 | 20 | Min-2 stories Max-45 | 85% |
Multifamily | 7,500 | 75 | 100 | Min-5 Max-20 | See § 440-52 | See § 440-52 | Min-2 stories Max-45 | 85% |
Non- residential (retail, service, office, institutional) | 2,500 | 25 | 100 | See § 440-128, Development standards | 45 | 85% | ||
Residential above retail/office | See § 440-128, Development Standards | 45 | N/A | |||||
Mixed-use buildings | 2,500 | 25 | 100 | See § 440-128, Development standards | Min-2 stories Max-45 | 85% | ||
NOTES: | |
|---|---|
1. | See § 440-142, Height limit exemptions. |
2. | Includes both principal and accessory buildings, and impervious coverage. |
3. | Tract area is the minimum acreage or square footage needed to develop land for each unit type. |
4. | Lot area is the minimum lot size for each dwelling unit type. |
5. | See § 440-145, Front yard adjustments. |
Table 13.4. Permitted Projections into Required Yards | |||||
|---|---|---|---|---|---|
Type of Projection | Front Yard | Interior Side Yard | Corner Side Yard | Rear Yard | |
Balconies, bay windows, entrances, oriels, and vestibules less than 10 feet wide | 3 feet | 3 feet | 3 feet | 3 feet | |
Decks, platforms, or similar raised structures | Not permitted | Not permitted | Not permitted | 6 feet | |
Outside stairways | Not permitted | Not permitted | Not permitted | 6 feet | |
Porches, steps, stoops, terraces, and similar features | |||||
Open | 5 feet | 3 feet | 3 feet | 9 feet | |
Roof covering porches, steps, stoops, terraces | 4 feet | Not permitted | Not permitted | 4 feet | |
Enclosed, including screened-in porches | Not permitted | Not permitted | Not permitted | Not permitted | |
(NOTE: Permanent amenities include, but are not limited to, fixed benches, fixed picnic tables, pavilions, amphitheaters, kiosks, fountains, monuments, trash receptacles, bicycle racks, aesthetic lighting, perennial gardens, and similar features.) |
General Regulations
Table 13.1. Dimensional Standards for Accessory Buildings and Structures for Residential Uses and C-1, C-2, C-3, and TND Zones | ||
|---|---|---|
Standard | Detached Accessory Buildings | |
Location | Rear yard | |
Setbacks* | – | |
Side | 5 feet | |
Rear | 5 feet | |
Distance from main building | 10 feet | |
Maximum height | The maximum height of accessory buildings and structures shall not exceed the height of the principal structure. See § 440-142, Height limit exemptions. | |
Maximum lot coverage | Must be included in calculation of coverage for principal building | |
NOTES: | |
|---|---|
* | The minimum setback may be adjusted based on the location of tax ditch easements. Contact the Tax Ditch Association (DNREC) to determine easement locations. |
Table 13.2. Dimensional Standards for Accessory Buildings and Structures for Manufacturing and Industrial Park Manufacturing Zones | ||
|---|---|---|
Standard | Detached Accessory Buildings | |
Location | Front, side, and rear | |
Setbacks | — | |
Front | 20 feet | |
Side | 5 feet | |
Rear | 20 feet | |
Distance from adjacent Residential Zone | 100 feet | |
Maximum height | 45 feet | |
Maximum lot coverage | Must be included in calculation of coverage for principal building | |
Table 13.3. Dimensional and Density Standards | ||||||||
|---|---|---|---|---|---|---|---|---|
Minimum Lot Requirements | Minimum Setback Line Requirement | |||||||
Zone | Lot Area (square feet)4 | Width (feet) | Depth (feet) | Front5 (feet) | Side (feet) | Rear (feet) | Max. Height1 (feet) | Max. Lot Coverage2 (%) |
R-1 Single-Family Residential | ||||||||
Single-family detached | 5,000 | 50 | 100 | 20 | 6 | 30 | 35 | 50% |
Manufactured home | 5,000 | 50 | 100 | 20 | 6 | 10 | 35 | 50% |
R-2 Duplex Residential | ||||||||
Single-family detached | 5,000 | 50 | 100 | 20 | 6 | 30 | 35 | 50% |
Duplex | 3,000/ unit 6,000/ duplex | 30/unit 60/duplex | 100 | 20 | 6 | 30 | 35 | 50% |
R-3 Townhouse Residential | ||||||||
Single-family detached | 4,000 | 40 | 100 | 20 | 6 | 30 | 35 | 60% |
Duplex | 2,500/ unit 5,000/ duplex | 25/unit 50/duplex | 100 | 20 | 6 | 30 | 35 | 60% |
Townhouse | 1,800 | 18 | 100 | 15 | See § 440-42 | 30 | 35 | 70% |
R-4 Multifamily Residential | ||||||||
Single-family detached | 4,000 | 40 | 100 | 20 | 6 | 30 | 35 | 60% |
Duplex | 2,500/ unit 5,000/ duplex | 25/unit 50/duplex | 100 | 20 | 6 | 30 | 35 | 60% |
Townhouse | 1,800 | 18 | 100 | 15 | See § 440-42 | 30 | 35 | 70% |
Multifamily | 7,500 | 75 | 100 | 15 | See § 440-52 | See § 440-52 | 45 | 70% |
C-1 Neighborhood Commercial | ||||||||
Commercial | 7,500 | 75 | 100 | 20 | 10 | 20 | 35 | 70% |
Single-family detached | 4,000 | 40 | 100 | 20 | 6 | 30 | 35 | 60% |
Duplex | 2,500/ unit 5,000/ duplex | 25/unit 50/duplex | 100 | 20 | 6 | 30 | 35 | 60% |
C-2 Central Commercial | ||||||||
Commerical/Mixed use/nonresidential | 2,500 | 25 | 100 | Min-0 Max-15 | See § 440-73 | See § 440-73 | Min-2 stories Max-35 | 85% |
Single-family detached | 3,600 | 36 | 100 | Min-0 Max-30 | 6 | 20 | Min-2 stories Max-35 | 85% |
Duplex | 2,500/ unit 5,000/ duplex | 25/unit 50/duplex | 100 | Min-0 Max-30 | 6 | 20 | Min-2 stories Max-35 | 85% |
Townhouse | 1,800 | 18 | 100 | Min-0 Max-30 | See § 440-42 | 20 | Min-2 stories Max-35 | 85% |
Multifamily | 7,500 | 75 | 100 | Min-0 Max-15 | See § 440-52 | See § 440-52 | 45 | 85% |
C-3 Service Commercial | ||||||||
Commercial | 7,500 | 75 | 150 | 25 | 10 | 20 | 35 | 50% |
TND Traditional Neighborhood Development | ||||||||
Single-family detached | 2,880 | 36 | 80 | Min-5 Max-30 | 5 | 20 | Max-35 | 70% |
Duplex | 2,000/ unit 4,000/ duplex | 25/unit 50/duplex | 80 | Min-5 Max-30 | 5 | 20 | Min-2 stories Max-35 | 70% |
Townhouse | 1,440 | 18 | 80 | Min-5 Max-30 | See § 440-42 | 20 | Min-2 stories Max-45 | 85% |
Multifamily | 7,500 | 75 | 100 | Min-5 Max-20 | See § 440-52 | See § 440-52 | Min-2 stories Max-45 | 85% |
Non- residential (retail, service, office, institutional) | 2,500 | 25 | 100 | See § 440-128, Development standards | 45 | 85% | ||
Residential above retail/office | See § 440-128, Development Standards | 45 | N/A | |||||
Mixed-use buildings | 2,500 | 25 | 100 | See § 440-128, Development standards | Min-2 stories Max-45 | 85% | ||
NOTES: | |
|---|---|
1. | See § 440-142, Height limit exemptions. |
2. | Includes both principal and accessory buildings, and impervious coverage. |
3. | Tract area is the minimum acreage or square footage needed to develop land for each unit type. |
4. | Lot area is the minimum lot size for each dwelling unit type. |
5. | See § 440-145, Front yard adjustments. |
Table 13.4. Permitted Projections into Required Yards | |||||
|---|---|---|---|---|---|
Type of Projection | Front Yard | Interior Side Yard | Corner Side Yard | Rear Yard | |
Balconies, bay windows, entrances, oriels, and vestibules less than 10 feet wide | 3 feet | 3 feet | 3 feet | 3 feet | |
Decks, platforms, or similar raised structures | Not permitted | Not permitted | Not permitted | 6 feet | |
Outside stairways | Not permitted | Not permitted | Not permitted | 6 feet | |
Porches, steps, stoops, terraces, and similar features | |||||
Open | 5 feet | 3 feet | 3 feet | 9 feet | |
Roof covering porches, steps, stoops, terraces | 4 feet | Not permitted | Not permitted | 4 feet | |
Enclosed, including screened-in porches | Not permitted | Not permitted | Not permitted | Not permitted | |
(NOTE: Permanent amenities include, but are not limited to, fixed benches, fixed picnic tables, pavilions, amphitheaters, kiosks, fountains, monuments, trash receptacles, bicycle racks, aesthetic lighting, perennial gardens, and similar features.) |