(A) Purpose. The R-3 Medium-High Density Residential District is intended to provide areas offering a broad development range in housing units, yet retain the environment and character of less intensive residence areas through carefully established bulk and lot area requirements.
(B) Permitted uses.
(1) Single-family detached dwellings. All new home construction in residential districts shall have an attached or detached garage with a minimum of 400 square feet. Garages less than 400 square feet, but larger than 240 square feet, are allowed by conditional use permit. Garages less than 240 square feet are not allowed;
(2) Two-family attached dwellings, duplexes, double bungalow. All new home construction in residential districts shall have an attached or detached garage with a minimum of 400 square feet. Single-family dwellings without garages or with garages less than 400 square feet are conditionally permitted. A conditional use permit is required;
(3) Parks and playgrounds;
(4) Family day care as permitted by state law; and
(5) Class B supervised living facilities serving six or fewer persons.
(C) Conditional uses.
(1) The conditional uses and special district provisions allowed in the R-2 District;
(2) Three- to eight-unit buildings;
(3) The following are permitted only subject to the issuance of a conditional use permit:
(a) Neighborhood medical and dental clinics and offices, subject to maximum gross floor area of 5,000 square feet;
(b) Business and professional offices, subject to a maximum gross floor area of 5,000 square feet, and subject further to the special district provisions;
(c) Uses listed as conditional permitted uses in the R-2 District, as regulated therein;
(d) A state licensed residential facility serving from seven through 16 persons;
(e) Group homes and crisis shelters up to 5,000 square feet; and
(f) Licensed day care facilities which are not permitted principal uses under state law.
(4) Conditions for residential facilities, group homes, crisis shelters and licensed day care facilities shall not be imposed which are more restrictive than those imposed on conditional uses or other multi-family residential property in the same district, unless the additional conditions are necessary to protect the health and safety of the residents of the residential facility; and
(5) The requirements of § 154.115 of this chapter shall apply to the conditional uses described in this section.
(D) Accessory uses. Accessory uses as listed in the R-1 Residential District.
(E) Dimensional regulations.
(1) Minimum lot area, lot coverage and dimensions.
(a) Requirements.
R-3 Use | Minimum Lot Area per Dwelling Unit | Minimum Lot Width | Minimum Lot Depth |
Single-family residence Maximum lot coverage 50% (A survey will be required if calculations cannot be verified) | 7,200 square feet | 60 feet; corner, 80 feet | 120 feet |
Two-family residence Maximum lot coverage 50% (A survey will be required if calculations cannot be verified) | 5,000 square feet | 80 feet | 120 feet |
Three- to eight-family building | 4,200 square feet* | None | None |
NOTES TO TABLE: * Does not count area set aside for surface water ponding below the ordinary high water mark or wetland protection areas. | |||
(b) Adjustments. The minimum lot area requirements listed above may be adjusted as follows for eight-unit multiple-family buildings.
1. For each garage (parking unit) within or under an apartment building, subtract 400 square feet from the total minimum lot area.
2. For each private dwelling unit entrance, subtract 400 square feet from the total minimum lot area.
(2) (a) Setbacks and heights.
R-3 Use | Front Setback | Corner Side | Interior Side | Rear | Height |
Accessory buildings** | 30 feet | 25 feet | 6 feet | 6 feet; 25 feet on double frontage lots | 16 feet |
Single-family | 25 feet | 25 feet | 8 feet | 25 feet | 35 feet |
Two-family | 25 feet | 25 feet | 10 feet | 25 feet | 35 feet |
Three- to eight-family | 30 feet | 25 feet | 20 feet* | 40 feet | 35 feet |
NOTES TO TABLE: * Add 6 inches for each foot the average height of the building exceeds 20 feet. ** Reference § 154.026 | |||||
(b) Distance between buildings. The minimum distance between townhouse or four- to eight-family buildings when the exterior walls are parallel shall be equal to the height of the exterior wall or 15 feet, whichever is greater. Townhouses or four- to eight-family buildings shall be no closer to one another at any point than 15 feet.
(F) Open space. A minimum of 20% of the land area of a residential development shall be devoted to private outdoor passive or active recreation. This space shall be effectively separated from automobile traffic and parking and be readily accessible. Provisions shall be made for the permanent private maintenance of this land. The term “open space” shall not include space devoted to streets and parking. This private outdoor recreation space shall not be a substitute for the dedication of land and/or cash for public parks as may be required by § 154.072 of this chapter, regarding public sites, open spaces and bicycle and pedestrian paths.
(G) Parking requirements. Parking shall be provided according to the regulations of § 154.116 and App. B of this chapter. Parking areas or circulation drives shall be set back at least five feet from any interior lot line.
(H) Common wall dwellings. Notwithstanding the provisions of § 154.056 of this chapter, one developer may construct two single-family dwellings with a common wall and boundary line for which there may be no building setback from the common boundary; provided:
(1) Each lot shall meet all other setback requirements for a two-family dwelling; and
(2) Separate services shall be furnished and provided to each dwelling for sanitary sewer and water.
(I) Accessory buildings. Accessory buildings shall observe the same setback requirements established for the multiple-residence building, except that accessory buildings located within the rear yard of the multiple-residence building may be located within six feet of the rear of interior side property line. The city’s Planning Commission may require common walls for accessory buildings where common walls will eliminate unsightly and hazardous areas.
(2004 Code, § 154.058) (Ord. 464, passed 1- -1996; Ord. 97-195, passed 5- -1997; Ord. 98-219, passed 3-10-1998; Ord. 05-0424, passed 2-28-2006; Ord. 07-0459, passed 3-13-2007; Ord. 13-0710, passed 7-9-2013) Penalty, see § 154.999