7.1.5 Attached House
A. Description
An attached house is a single-family house with a shared common wall along one of the lot lines that separates the two lots.
B. Development Standards
An attached house shall be permitted in accordance with the table below. An attached house shall also be permitted in the RR District in a conservation subdivision in accordance with the standards of District in a conservation subdivision in accordance with the standards of 6.2.1A, Dimensional Standards.
|
Attached House Standards |
RS-20 |
RS-10 |
RS-8 |
RU-M |
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|---|---|---|---|---|---|---|---|
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Conventional Subdivision |
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Lot Dimensions (min. square feet) Note: “*” denotes (Suburban Tier/Urban Tier) “Per Pair” denotes that the minimum number required applies to the pair of units. For example in RU-M, the lot area means the sum of the two lots necessary for the pair of units must be at least 3,500 square feet. |
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Lot Area per Pair (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 per Pair (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 (unattached side) |
12 |
10 |
9 |
6 |
5 |
5 |
5 |
|
25 |
25 |
25 |
25 |
25 |
25 |
25 |
|
|
Cluster Subdivision |
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Lot Dimensions (min.) |
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Lot Area per Pair (square feet) |
10,000 |
5,000 |
4,000 |
— |
3,500 |
— |
— |
|
Lot Width per Pair (feet) |
75 |
40 |
40 |
— |
40 |
— |
— |
|
Yards (min. feet) |
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|
0 |
0 |
0 |
— |
0 |
— |
— |
|
|
Side Yard (unattached side) |
9 |
6 |
5 |
— |
5 |
— |
— |
|
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).
3Attached house lots that have vehicular access from the rear may reduce the minimum street yard to five feet.
C. Access
Where an improved and maintained alley is provided, all vehicular access shall be taken from the alley.
D. Designation on Plat
The housing type shall be identified on the plat at the time of approval.
E. Driveways
Driveways may be shared with a recorded shared access agreement between two pairs of lots using this housing type.
F. Small Lot Option
Small lot option can apply and the provisions within paragraph 7.1.2C shall apply to the attached house lot pair.
Example: A 2,000-square-foot lot that meets the small lot requirements can become two lots with an attached home.