(A) Purposes. The Duplex-Fourplex Residential District is established for the following purposes:
(1) To provide adequate space and site diversification for medium-density residential development where adequate streets and other community facilities are available for present and future needs;
(2) To protect residential areas against pollution, environmental hazards and other objectionable influences;
(3) To protect residential areas against heavy through traffic;
(4) To manage the density of population and protect against congestion by providing for off- street parking spaces and by requiring the provision of open recreational spaces, thus providing for a more desirable living environment;
(5) To provide for privacy and access of light and flowing through air through controls over the spacing and height of buildings and other structures; and
(6) To promote the most desirable use of land and direction of building development not in conflict with the city’s forthcoming Comprehensive Plan; to promote the stability of residential development; to protect the character of the district; to conserve the value of land and buildings; and to protect the city’s tax base.
(B) Permitted uses.
(1) One single-family dwelling; structures must meet the area requirements of the R-1 District;
(2) One duplex, one triplex or one fourplex per lot where each respective use complies with the minimum area requirements set forth in this chapter;
(3) Signs permitted under the city’s prevailing sign regulations;
(4) One portable building not more than 3% of the lot’s net square footage used for either storage, hobby or some other typical accessory use; and
(5) An accessory use customarily related to a principal use authorized in this district, except guest houses. An accessory use may be permitted in a vacant townhouse lot if the owner’s residence adjoins said vacant lot.
(C) Conditional uses.
(1) A mobile home on an unsubdivided tract of five acres or more;
(2) Home occupations; (Such home occupations must meet the home occupation regulations in § 156.072(A) of this chapter; see emphasis on proposed home occupations in a multi-family setting.)
(3) Guest houses, garage apartments or separate servant quarters where such shall not have separate utility meters, but shall be linked to the meters of the primary residential dwelling;
(4) Facilities for railroads or those utilities holding a franchise under the city;
(5) Portable buildings larger than 3% of the lot’s net square footage. No second portable building shall be permitted without first obtaining a conditional use permit;
(6) Parking for non-residential purposes; such parking may require fence buffering from any adjoining residential use and may require limited security lighting; and
(7) Bed and breakfast facilities.
(D) Prohibited uses.
(1) Unless otherwise grandfathered, any new building erected or land used for other than one or more of the preceding specified uses; and
(2) Any use of property that does not meet the R-2 area requirements; or exceeds the maximum height or density per gross acre as required.
(E) Area requirements.
(1) Single-family dwellings must meet the area requirements of the R-1 District;
(2) Townhouses shall meet the area requirements of the R-1T District;
(3) Minimum lot area:
(a) Internal lot:
1. Single-family and duplex use: 6,000 square feet;
2. Triplex use: 6,700 square feet; and
3. Fourplex use: 7,800 square feet.
(b) Corner lot:
1. Single-family and duplex use: 6,700 square feet;
2. Triplex use: 7,500 square feet; and
3. Fourplex use: 8,200 square feet.
(4) Maximum number of residential structures per lot: one;
(5) Minimum lot frontage on a public or private street:
(a) Internal lot: 50 feet; and
(b) Corner lot: 60 feet.
(6) Minimum lot depth: 100 feet;
(7) Minimum front yard building setback: 20 feet;
(8) Minimum rear yard building setback: ten feet or wider for any easement use;
(9) Minimum side yard building setback:
(a) Internal lot: six feet or wider for easement; and
(b) Corner lot: ten feet.
(10) Minimum distance from the public right-of-way (property line) to the entrance to a garage or enclosed carport shall not be less than 18 feet;
(11) Minimum percentage of permanent open landscaping per lot: 10%;
(12) Maximum height of structures: 35 feet. Where a structure exceeds 25 ft in height, it shall be set back one additional foot for each foot above 25 feet, not to exceed the 35-foot maximum;
(13) Minimum number of un-impeded paved off-street parking spaces:
(a) Single-family dwelling: two;
(b) Duplex use: four;
(c) Triplex use: six; and
(d) Fourplex use: eight.
(14) See § 156.087 of this chapter for further clarification, modification and/or exception.
(Ord. 2016-07, passed 8-9-2016)