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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

RS-M

RU-5,
RU-5(2)

RU-M

RC

Conventional Subdivision

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.

Lot Area per Pair (w/o averaging)

—/20,000*

—/10,000*

—/8,000*

5,000

5,000

3,500

3,500

Lot Area per Pair (with averaging)1

—/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

Yards (min. feet)2

Street Yard (adjoining collector or greater street)

35

25

25

25

20

15

10

Street Yard (adjoining local street)

35

25

25

20

20

15

10

Side Yard (unattached side)

12

10

9

6

6

6

6

Rear Yard

25

25

25

25

25

25

25

Cluster Subdivision

Lot Dimensions (min.)

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)

Street Yard

25

20

20

15

Side Yard (unattached side)

9

6

5

5

Rear Yard

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. Designation on Plat

The housing type shall be identified on the plat at the time of approval.

E. Driveways

Driveways shall be shared with a recorded shared access agreement between two pairs of lots using this housing type.