7.1.6 Duplex
A. Description
An attached duplex is a two-family dwelling in a single structure on a single lot. Individual units can be located on separate floors or on the same level. A detached duplex allows for two dwelling units on one lot, but the dwelling units are not required to be attached.
B. Development Standards
A duplex shall be permitted in accordance with the table below. A duplex shall also be permitted in the RR District in a conservation subdivision in accordance with the standards of paragraph 6.2.1A, Dimensional Standards.
Attached House Standards |
RS-20 |
RS-10 |
RS-8 |
RU-M |
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---|---|---|---|---|---|---|---|
Conventional Subdivision |
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Lot Dimensions (min. square feet) Note: “*” denotes (Suburban Tier/Urban Tier) |
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Lot Area (w/o averaging) |
—/20,000* |
—/10,000* |
—/8,000* |
5,000 |
5,000 |
3,500 |
3,500 |
—/17,000* |
—/8,500* |
—/6,800* |
4,250 |
4,250 |
2,975 |
2,975 |
|
Lot Width (feet) |
—/100* |
—/75* |
—/60* |
35 |
45 |
35 |
35 |
Street Yard (adjoining collector or greater street) |
35 |
25 |
25 |
25 |
15 |
10 |
10 |
Street Yard (adjoining local street) |
35 |
25 |
25 |
20 |
10 |
10 |
10 |
Side Yard (single) |
12 |
10 |
9 |
6 |
5 |
5 |
5 |
30 |
24 |
22 |
15 |
— |
— |
— |
|
25 |
25 |
25 |
25 |
25 |
25 |
25 |
|
Cluster Subdivision |
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Lot Dimensions (min.) |
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Lot Area (square feet) |
10,000 |
5,000 |
4,000 |
— |
3,500 |
— |
— |
Lot Width (feet) |
75 |
40 |
40 |
— |
40 |
— |
— |
Yards (min. feet) |
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0 |
0 |
0 |
— |
0 |
— |
— |
|
Side Yard (single) |
9 |
6 |
5 |
— |
5 |
— |
— |
22 |
13 |
12 |
— |
— |
— |
— |
|
25 |
25 |
25 |
— |
25 |
— |
— |
1 Lot area with averaging may only be used if the requirements of paragraphs 6.3.3C, Lot Averaging, 6.4.3C, Lot Averaging, and 6.5.3B, Lot Averaging, as appropriate, are met.
2 Yard modifications can be required pursuant to a Neighborhood Protection Overlay, or through application of infill regulations (Sec. 6.8, Infill Development in Residential Districts).
C. Access
Where an improved and maintained alley is provided, all vehicular access shall be taken from the alley.
D. Small Lot Option
Paragraph 7.1.2C, Small Lot Option, can apply and the provisions within that paragraph shall apply.
E. Driveways
A maximum of two driveways shall be allowed and shall be perpendicular to the right-of-way.