Multiplex: Medium
Description
A 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.Typical Specifications
| Lot | Front-loaded | Alley-Loaded |
| Width* | 95–120 feet | 75–100 feet |
| Depth* | 100–150 feet | 100–150 feet |
| Area* | 9,500–18,000 sq. ft. | 7,500–15,000 sq. ft. |
| 0.22–0.41 acres | 0.17–0.34 acres | |
| Units | ||
| Number of Units | 5–12 units | 5–12 units |
| Typical Unit Size | 500–1,200 sq. ft. | 500–1,200 sq. ft. |
| Density | ||
| Net Density | 12–55 du/acre | 14–70 du/acre |
| Gross Density | 10–50 du/acre | 12–63 du/acre |
| Parking | ||
| Parking Ratio* | 1-1.5 per unit | 1-1.5 per unit |
| On-street Spaces | 3–4 | 3–5 |
| Off-street Spaces | 1.25 per unit max. | 1.25 per unit max. |
| Setbacks | ||
| Front* | 10–25 feet | |
| Side* | 5–12 feet | |
| Rear (main building)* | 30–60 feet | |
| Between Main and Accessory Buildings | 10–20 feet | |
| Building | ||
| Building Size | ||
| Width | 50–80 feet | |
| Depth | 35–75 feet | |
| Height (to eave)* | 25–40 feet | |
| Floors | 2-2.5 stories | |
| * Varies based on context | ||
Gallery of Small Multiplexes
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.
Alley Loaded
Ideal Specifications
| Lot | |
| Width | 95 feet |
| Depth | 115 feet |
| Area | 10,925 sq. ft. |
| 0.251 acres | |
| Units | |
| Number of Units | 12 units |
| Typical Unit Size | 765 sq. ft |
| Density | |
| Net Density | 48 du/acre |
| Gross Density | 35 du/acre |
| Parking | |
| Parking Ratio | 1.08 per unit |
| On-street Spaces | 4 |
| Off-street Spaces | 9 |
| Setbacks | |
| Front | 15 feet |
| Side | 5 feet |
| Building | |
| Width | 75 feet |
| Depth | 65 feet |
| Height (to eave) | 28 feet |
| Floors | 2.5 stories |
Front Loaded
Ideal Specifications
| Lot | |
| Width | 105 feet |
| Depth | 135 feet |
| Area | 14,175 sq. ft. |
| 0.325 acres | |
| Units | |
| Number of Units | 12 units |
| Typical Unit Size | 765 sq. ft |
| Density | |
| Net Density | 37 du/acre |
| Gross Density | 30 du/acre |
| Parking | |
| Parking Ratio | 1.33 per unit |
| On-street Spaces | 4 |
| Off-street Spaces | 12 |
| Setbacks | |
| Front | 15 feet |
| Side | 5 feet |
| Building | |
| Width | 75 feet |
| Depth | 65 feet |
| Height (to eave) | 28 feet |
| Floors | 2.5 stories |
