DescriptionA detached (2 to 2.5 story) structure that consists of 5 to 12 dwelling units arranged side-by-side and/or stacked, typically with a shared entry from the street. This type has the appearance of a medium-to-large single-unit house and does not include a rear yard.
|Width*||96–120 feet||75–100 feet|
|Depth*||100–150 feet||100–150 feet|
|Area*||9,600–18,000 sq. ft.||7,500–15,000 sq. ft.|
|0.22–0.41 acres||0.17–0.34 acres|
|Number of Units||7–19 units||7–19 units|
|Typical Unit Size||500–1,200 sq. ft.||500–1,200 sq. ft.|
|Net Density||37–55 du/acre||48–70 du/acre|
|Gross Density||30–50 du/acre||35–63 du/acre|
|Parking Ratio*||1-1.5 per unit||1-1.5 per unit|
|Off-street Spaces||1.25 per unit max.||1.25 per unit max.|
|Rear (main building)*||30–60 feet|
|Between Main and Accessory Buildings||10–20 feet|
|Height (to eave)*||25–40 feet|
|* Varies based on context|
Idealized specifications take the best characteristics of this type and update them for today’s typical building standards, serving as a model for new development.