ARTICLE E. - MULTIPLE-FAMILY RESIDENTIAL ZONE (R-4)

10-9E-1: - PURPOSE AND INTENT:#

The purpose of the R-4 zone is to provide higher density residential areas with their associated necessary public services and activities. It is also to provide an orderly transition from less intensive, lower density uses to more intensive, higher density uses.

(1985 Code § 19-20-1)

10-9E-2: - PERMITTED USES:#

Accessory building and use that is incidental to a dwelling on the same lot or property and in compliance with all Riverdale City ordinances that regulate the use of accessory buildings.

Agriculture.

Bachelor and/or bachelorette dwelling with twenty-four (24) or less dwelling units.

Boarding and lodging house.

Church, synagogue or similar permanent building used for regular religious worship.

College or university.

Educational institution.

Golf course, except miniature golf course.

Greenhouse, noncommercial only.

Group dwellings with twenty-four (24) or less dwelling units in accordance with chapter 24 of this title.

Household pets.

Library, museum, public or nonprofit.

Multiple-family dwelling with twenty-four (24) or less dwelling units.

Parking lots accessory to uses permitted in this zone.

Planned residential unit development in accordance with chapter 22 of this title.

Public building, public park, public recreation grounds and associated buildings.

Single-family dwellings.

Temporary building for use incidental to construction work. Such building shall be removed upon completion or abandonment of the construction work.

Two-family dwelling.

(1985 Code § 19-20-2; amd. Ord. 784, 4-19-2011)

10-9E-3: - CONDITIONAL USES:#

The following uses shall be permitted only when authorized by a conditional use permit as provided in chapter 19 of this title:

Bachelor and/or bachelorette dwelling with twenty-five (25) or more dwelling units.

Cemetery with customary incidental uses, including, but not limited to, mortuary, mausoleum, crematory, staff housing, service shops and chapel.

Daycare/preschool center.

Fraternal and beneficial societies, orders and social clubs of nonprofit nature.

Fraternity or sorority house.

Group dwelling with twenty-five (25) or more dwelling units in accordance with chapter 24 of this title.

Home occupation.

Hospital, sanatorium, clinic.

Multiple-family dwelling with twenty-five (25) or more dwelling units.

Nursing home, nursery for children.

Private park, playground or recreation area, but not including privately owned commercial amusement business.

Professional and business offices in which goods or merchandise are not commercially created, exchanged or sold.

Public utility substation.

Studio for professional work, teaching, performances or exhibitions of the fine arts; provided, that such performances or exhibitions are limited to the work product of the studio involved.

Wedding chapel; provided, that light refreshment only shall be served and the service or consumption of food or refreshment shall be strictly incidental to the principal use.

(1985 Code § 19-20-3; amd. Ord. 802, 4-3-2012)

10-9E-4: - SITE DEVELOPMENT STANDARDS:#

Minimum lot area:

One-building dwelling:

Single-family 6,000 square feet plus 1,500 square feet for each additional dwelling unit; for bachelor and bachelorette dwelling same as above plus 1,000 square feet for each occupant in excess of 4 in each unit

Group dwelling 6,000 square feet for first building plus 2,000 square feet for each additional building plus 1,500 square feet for each building; for bachelor and bachelorette dwelling, same as above plus 1,000 square feet for each occupant in excess of 4 in each unit

Other main building 7,500 square feet for nursing home, an additional 500 square feet for each guest or patient in excess of 4; and 20,000 square feet for hospital, fraternal, or beneficial society or wedding chapel

Minimum lot width 60 feet

Minimum yard setbacks:

Front 20 feet except average of existing dwellings where 50 percent is developed but not less than 15 feet

Side:

For any dwelling, nursery school, office, clinic, fraternity, sorority, boarding house, or lodging house 6 feet with total of 2 side yards not less than 16 feet, plus 1 foot each side for each 1 foot any main building is over 35 feet high

Accessory building 8 feet except 1 foot if located at least 6 feet from rear of main building, but not closer than 8 feet to dwelling on adjacent lot

Zero side yard In accordance with subsection 10-14-4J of this title

Side; facing street on corner lot 15 feet except average where 50 percent frontage is developed but not less than 10 feet

Rear:

Main building 30 feet

Accessory building 1 foot except 6 feet where an accessory building located on a corner lot rears on side yards of adjacent lots

If a dwelling has an existing detached accessory building in the rear yard, and the property owner wants to add on to the dwelling (after fire department review); the new addition must be a minimum of 8 feet from the accessory building, and the new addition shall meet the minimum rear yard requirements. The opposing side yard must meet minimum side yard requirements and be open at all times to rear yard access

Building height:

Minimum 1 story

Maximum None

Lot coverage No building or group of buildings with their accessory building shall cover more than 50 percent of the lot area

Open green space At least 30 percent of the lot area

Special regulation In no case shall the ratio of the total floor area in the building to the total lot area exceed 2:1

(Ord. 582, 11-15-2000)