The purpose of the R-3 zone is to allow for row dwellings, while including areas within which row dwellings are mingled with detached dwellings, semi-detached dwellings, and groups of three or more row dwellings.
The R-3 zone is intended to permit attached rowhouses on small lots.
| Development Standards | |||||||||
| Height (ft.)1/ Stories |
Minimum Lot Width (ft.) | Area (sq. ft.) | Lot Occupancy | Front Setback | Read Yard (ft.) | Side Yard (ft.)2, 3 | Pervious Surface (minimum) | Zoning Regulation Reference | |
| R-3 | 40 | 40 (detached) | 4,000 (detached) | 60% (Row Dwellings & Places of Worship) | A front setback shall be provided within the range of existing front setbacks of all structures within an R-3 zone on the same side of the street in the block where the building is proposed. | 20 | 8 (detached) | 50% | Subtitle D, Chapter 4 |
| 30 (semi-detached) | 3,000 (semi-detached) | ||||||||
| 20 (row) | 2,000 (row) | ||||||||
| 3 | 16 (IZ row) | 1,600 (IZ row) | 40% (all other structures) | ||||||
| 40 (all other structures) | 4,000 (all other structures) | ||||||||
| Use Permissions | Parking | Inclusionary Zoning |
| Subtitle U, Chapter 2 | Subtitle C, Chapter 7 | Subtitle C, Chapter 10 |
| R- Use Group C |
1 Institutional buildings or structures may be erected to a height not exceeding 90 ft., provided that the building or structure shall be removed from all lot lines of its lot a distance of not less than 1 ft. for each foot of height in excess of that authorized in the zone in which it is located.
2 No side yard is required for attached dwellings, but if a side setback is provided, it shall be no less than 5 ft.
3 A single household dwelling, flat, or multiple dwelling that does not share a common division wall with an existing building or a building being constructed together with the new building, shall have a side yard on each resulting free-standing side.