(a) Purpose. This district is intended to provide for medium density multiple-family residential development. It may include a range of residential uses from one-family to fraternity and sorority houses. The principal land use is a residential apartment-type dwelling.

    (b) Permitted Uses. In district R-3, no building or land shall be used and no building shall be hereafter erected, constructed, reconstructed, or altered, except for one or more of the following uses (For exceptions see section 29-28, Non-Conforming Uses, and section 29-31, Board of Adjustment):

Adult day care home.

    All permitted uses in district R-2.

Apartment houses.

Boardinghouses or lodging houses.

    Continuing Care Retirement Communities (CCRC) subject to the following conditions:

    (1)    Site size shall be a minimum of ten (10) acres.

    (2)    A CCRC shall be planned and constructed as a unified development.

    (3)     Uses located within a CCRC shall be owned and operated by a single, properly licensed entity or provided under a direct contract with the owner.

    (4)     The height and area requirements of section 29-8(d) shall apply to any proposed component of a CCRC.

    (5)     A twenty-five (25) foot perimeter setback shall be provided around all sides of a CCRC.

    (6)     A CCRC development site shall retain or provide an additional fifteen percent (15%) landscaped area beyond that required by section 29-25.  Such provision shall be exclusive of those CCRC supportive facilities that may accompany the overall development.

    (7)    CCRC assisted living facilities and CCRC skilled care nursing facilities shall be operated by legal entities holding all required business licenses including certificates of need issued by the appropriate state agency.

Fraternity or sorority houses and dormitories.

Family day care homes, day care centers, pre-school centers, nursery school, child play care centers, child education centers, child experiment stations or child development institutions.

Group care homes for mentally retarded children.

    (c) Conditional Uses. The following uses shall be permitted in district R-3 only after the issuance of a conditional use permit pursuant to the provisions of section 29-23:

Bed and Breakfast Establishment, subject to the following additional criteria:

    (1)    That not more than five (5) guest rooms shall be allowed.

    (2)    That in addition to meeting all parking requirements of section 29-30, there shall be one off-street parking space provided for each guest room.

    (3)    That there shall be no individual room cooking facilities used for the bed and breakfast stay.

    (4)    That the establishment shall be owner-occupied and managed.

    (5)    That the establishment shall comply with all applicable adopted City fire and building codes and shall be inspected for such compliance by the Protective Inspection Division of the city public works department prior to an occupancy permit being granted.

    (6)    That only one wall-mounted sign, not exceeding eight (8) square feet in size, shall be allowed.

    (7)    That meals may be served only to residents and overnight guests.

Buildings and premises for public utility services or public service corporations, whose buildings or uses the board deems reasonably necessary for public convenience or welfare.

     Business, professional and governmental offices, subject to the following conditions:

Cemeteries, which may include mausoleums thereon, for humans.

Counseling centers operated by charitable or not-for-profit organizations; excluding any use connected with penal or correctional institutions.

Halfway houses for not more than eight (8) occupants, provided that the board finds that the proposed use would not be detrimental to the public interest considering the size and character of the proposed facility and its proximity to schools, churches, mosques, synagogues, residences, other halfway houses and halfway houses for young offenders.

Home occupations, subject to the criteria listed for home occupations in Section 29-6(b); except that the home occupation may be carried out by occupants of the dwelling unit as well as by one full-time forty-hour individual or two one-half time (twenty hours each) individuals who do not reside in the dwelling unit. In addition, the Board may allow that not more than forty (40) percent of the total floor area of the dwelling unit and garage shall be devoted to the home occupation. A conditional use permit for a home occupation shall expire three (3) years from the date of approval, after which a new conditional use permit may be requested.

Private lakes.

Private outdoor swim and tennis clubs.

Private stables.

Reservoirs, wells, water towers, filter beds, water supply plants, or water pumping stations.

Reuse of places of public assembly with the same conditions and restrictions as set forth in section 29-6.

    Temporary Shelter, subject to the following:

(1)  An application for a conditional use permit for a temporary shelter shall include information about the size and design of the structure, population groups served, length of stay permitted, maximum design capacity and support services provided.  These items shall be used to determine if the facility is in conformance with the character of the adjacent area.

(2)  A temporary shelter shall not be located within one thousand (1,000) feet of another temporary shelter.

(3)  The minimum lot area for a temporary shelter shall be 7,500 square feet. If a proposed temporary shelter structure is larger than 2,500 square feet of gross floor area there shall be provided an additional 1,500 square feet of lot area for each additional 500 square feet of gross floor area within the structure.

(4) The shelter shall submit a semi-annual report to the protective inspection division of the public works department, stating maximum monthly occupancy level and support services provided by the shelter.

    (d) Height and Area Regulations. In district R-3 any building, portion of a building, or dwelling hereafter erected, constructed, reconstructed, or altered shall be subject to the following regulations (for exceptions, see section 29-26, Height and Area Exceptions,):

    (1)     Lot size. Not less than seven thousand five hundred (7,500) square feet and at least two thousand five hundred (2,500) square feet per family, provided that where a lot has less area than herein required in single ownership but not less than five thousand (5,000) square feet at the time of the passage of Ordinance No. 9958, this regulation shall not prohibit the erection of a one-family dwelling.

        (1.1)     CCRC Developments – Lot size and density. There shall be no minimum lot size for attached or detached residential dwellings within a CCRC development.  Lot area for such units shall be depicted upon the unified development plan and the density of such areas shall not exceed 5.8 units per acre based on the net developable acreage.  Portions of a CCRC utilized for apartments, assisted living or skilled care nursing shall not exceed a density of 17 units per acre based on the net developable acreage.  Except as specifically noted within this subsection, all other provisions relating to lot width, setbacks (yards) and floor area ratios, as shown within this section 29-8, shall apply to a CCRC.

    (2)     Lot width. Not less than sixty (60) feet at the building line, provided that where a lot has less width than herein required, in separate ownership at the time of the passage of Ordinance No. 9958, this regulation will not prohibit the erection of a one-family dwelling.

    (3)     Yards:

        a.    Front--Not less than twenty-five (25) feet.

        b.    Rear--Not less than twenty-five (25) feet.

        c.    Side--Not less than ten (10) feet, provided at least fifteen (15) feet be provided on the street side of a corner lot.

    (4)     Building height. Not over thirty-five (35) feet.

    (5)     Vision clearance. On any corner lot on which a front or side yard is required, no wall, fence, sign, or other structure or no plant growth of a type which would interfere with traffic visibility across the corner shall be permitted or maintained higher than three (3) feet above the curb level within fifteen (15) feet of the intersection of the street right-of-way lines.

    (6)     Floor area:

        a.    One-family--Not less than six hundred fifty (650) square feet excluding basements, porches and garages.

        b.    Two-family--Not less than five hundred (500) square feet per dwelling unit excluding basements, porches and garages.

        c.    Multiple-family--Not less than four hundred (400) square feet per dwelling unit, excluding basements, porches and garages.

    (7)     Parking. (See section 29-30, Off-Street Parking and Loading.)

    (8)     Access to buildings in an apartment complex, CCRC assisted living facility or CCRC skilled care nursing facility .  In apartment complexes, CCRC assisted living facilities and CCRC skilled care nursing facilities, there shall be a minimum distance between all buildings that are not directly connected of twelve (12) feet. An access driveway for ingress and egress with a permanent dust-free paved surface shall be provided for all apartment complexes , CCRC assisted living facilities and CCRC skilled care nursing facilities .  Such driveway shall be a minimum of twenty (20)  feet wide.  No parking shall be allowed in the driveway. The driveway and all buildings shall be located in such a manner as to provide access to all buildings by emergency vehicles.

(Code 1964, § 19.152; Ord. No. 9958, § 1, 10-3-83; Ord. No. 11702, § 1, 12-7-87; Ord. No. 13526, § 1, 12-7-92; Ord. No. 14777, § 1, 3-4-96; Ord. No. 14940, § 1, 8-19-96; Ord. No. 15134, § 1, 2-3-97; Ord. No. 15843, § 1, 12-21-98; Ord. No. 16816, § 1, 3-5-01; Ord. No. 19438, § 1, 3-5-07; Ord. No. 20835, § 1, 1-3-11)