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.
|Minmum 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%||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 (attached)||2,000 (attached)|
|3||16 (IZ attached)||1,600 (IZ attached)||40% (all other structures)|
|40 (all other structures)||4,000 (all other structures)|
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.