R-4
Dimensional standards
Uses
Permitted by right3
- high density multiple-family dwellings
- co-location of telecommunication antenna and related equipment
- any use permitted in R-1, R-2, and R-3 districts
Conditional / special use2
- retail business in multiple-family buildings for convenience of occupants
- any use permitted on review in R-1, R-2, and R-3 districts
Extracted standards
6 individual requirements pulled out of this section’s prose, each with the sentence it came from.
Other
- Additional lot area per dwelling unitLot area per dwelling unitLand required for each home — the same limit as du/acre, expressed per unit instead of per acre.1,500 sqftsq ftSquare feet. An acre is 43,560 sq ft; a typical suburban lot is 7,000–10,000.
For multiple-family structures of one and two stories, the lot area requirements shall be not less than 6,000 square feet plus an additional 1,500 square feet for each dwelling unit.
- Front setbackSetbackThe distance a building must be held back from a lot line. for buildings over 3 storiesStoreysHabitable floor levels. Whether a basement or attic counts is defined by the local code. or 35 feet35 ft
For multiple-family dwellings having a greater height than three stories or 35 feet, the minimum depth of the front yard shall be 35 feet.
- Minimum districtZoning districtA mapped area with one set of rules, identified by a code like R-1 or B-2. area4 acresacre43,560 square feet — about the size of an American football field without the end zones.
No new R-4 high density residential district may be created which contains less than four acres.
- Rear setbackSetbackThe distance a building must be held back from a lot line. for buildings over 3 storiesStoreysHabitable floor levels. Whether a basement or attic counts is defined by the local code.30 ft
For all main buildings more than three stories in height, there shall be a rear yard of not less than 30 feet.
- Additional side yardYardThe open space left between a building and its lot line — the space a setback creates. per story above two1 ft
For buildings more than two stories in height, one foot additional side yard on each side of the main building shall be added for each additional story above two stories.
Parking
- Lot areaMinimum lot areaThe smallest parcel on which the district allows anything to be built. reduction per off-street parkingMinimum parkingThe number of off-street spaces a development must provide before it may open. space in main building200 sqftsq ftSquare feet. An acre is 43,560 sq ft; a typical suburban lot is 7,000–10,000.
For those structures which provide off-street parking within the main building, the lot area requirement may be reduced 200 square feet per such parking space.
From the ordinance
No new R-4 high density residential district may be created which contains less than four acres. ... For multiple-family structures of one and two stories, the lot area requirements shall be not less than 6,000 square feet plus an additional 1,500 square feet for each dwelling unit. ... There are unlimited height regulations in the R-4 high density residential district.