§ 156.24  R3 MULTI-FAMILY RESIDENTIAL.
   (A)   Intention of district. This district is intended primarily for multi-family low-rise residential development including detached, attached or semi-attached dwellings.
   (B)   Permitted uses. No building structure or premises shall be used, arranged or designed to be used except for one or more of the following uses:
      (1)   Single-family dwelling;
      (2)   Two-family dwelling;
      (3)   Multi-family dwelling (two or more families);
      (4)   Accessory uses in conjunction with single and/or multi-family dwelling;
      (5)   Temporary uses in conjunction with single and/or multi-family dwelling;
      (6)   Group homes;
      (7)   Churches;
      (8)   Child care centers;
      (9)   Child care homes; and/or
      (10)   Church.
   (C)   Special uses. Those special uses that are permitted in this district are set forth in § 156.48.
   (D)   Connection of water. All structures shall be attached to public water and septic or sanitary sewer facilities that have been approved by the State Board of Health.
   (E)   Lot size.
      (1)   The minimum lot size and dimensions for single-family dwellings and all nonresidential uses shall be as follows:
         (a)   Lots not served by sanitary sewer facilities approved by the State Board of Health or a centralized sewage treatment plant (lots on septic systems):
            1.   Area: 40,000 square feet; and
            2.   Width and lot ratio: minimum width of said lots shall be 100 feet, with no lot having more than a 1:6 ratio of width to depth.
         (b)   Lots served by sanitary sewer facilities or a centralized sewage treatment plant:
            1.   Area: 9,600 square feet; and
            2.   Width and lot ratio: The minimum width of said lots shall be 60 feet, with no lot having more than a 1:4 ratio of width to depth.
      (2)   The minimum lot size and dimensions for two-family dwellings, multi-family dwellings and group homes shall be as follows:
         (a)   Lots not served by sanitary sewer facilities approved by the State Board of Health or a centralized sewage treatment plant (lots on septic systems):
            1.   Area: 40,000 square feet; and
            2.   Width and lot ratio: minimum width of said lots shall be 100 feet, with no lot having more than a 1:6 ratio of width to depth.
         (b)   Lots served by sanitary sewer facilities or a centralized sewage treatment plant:
            1.   Area: 5,000 square feet per unit; and
            2.   Width and lot ratio: the minimum width of said lots shall be 60 feet, with no lot having more than a 1:4 ratio of width to depth.
      (3)   The minimum floor area in this district shall be as follows:
         (a)   Nine hundred fifty square feet for single-family structures;
         (b)   Four hundred square feet for efficiency units in a multiple dwelling structure;
         (c)   Five hundred square feet for efficiency units in a multiple dwelling structure;
         (d)   Six hundred square feet for a two-bedroom unit in a multiple dwelling structure; and
         (e)   Seven hundred square feet for a three-bedroom unit in a multiple dwelling structure. Minimum floor area is exclusive of open porches, attached garages and accessory structures.
   (F)   Setback lines. The minimum setback lines shall be as follows:
      (1)   Front: The front yard setback shall be determined, with reference to the United States Department of Transportation Functional Roadway Classification System, in the manner provided as follows.
         (a)   For lots located on a major collector, the front setback shall be a distance of 70 feet from the center of the paved roadway.
         (b)   For lots located on interstates, expressways or other principal arterials, the front setback shall be a distance of 60 feet from the right-of-way.
         (c)   For lots located on a minor collector, the front setback shall be 70 feet from the center of the paved roadway.
         (d)   For local or minor streets, the front setback shall be 50 feet from the center of the paved roadway.
      (2)   Side and rear: the side and rear setbacks shall each be ten feet.
      (3)   Distance between buildings: in projects containing two or more buildings the minimum distance between all buildings shall be 20 feet.
   (G)   Minimum lot width. The minimum lot width for a lot used as a single-family dwelling, without a sanitary sewer, shall be 100 feet, and with a sanitary sewer, shall be 60 feet, on a county-maintained roadway or on a private easement or private right-of-way that provides ingress and egress to a county-maintained roadway, provided, however, that a private easement or private right-of-way shall not serve a lot unless the following conditions have been met: each such easement or right- of-way shall be in writing and recorded in the office of the County Recorder; each such easement or right-of-way shall be no less than 20 feet wide; each such easement or right-of-way shall identify the landowner/s who is/are responsible for the construction and maintenance of the easement or right-of-way, the frequency with which the easement or right-of-way must be maintained, and the construction and maintenance standards that must be met; and the lot served by each such easement or right-of-way must be exempt from the subdivision platting requirements of the subdivision control ordinance (Chapter 155), as amended.
   (H)   Height restrictions. The maximum height shall be as follows:
      (1)   Primary building: 35 feet; and
      (2)   Accessory building: 20 feet.
   (I)   Landscaping and buffering. Twenty-five feet of the front setback area and all the rear and side setback areas shall be maintained in natural material and utilized for landscaping purposes. Said landscaping materials shall include appropriate vegetation, durable plants and trees such as pine and evergreen species from the front building line to the rear. Any lot within this district that abuts any lot utilized for residential purposes shall also be screened with a combination of opaque fencing, not to exceed six feet and natural material consisting of either small trees and/or shrubs. This division (I) shall not apply to single family and two-family dwelling use.
   (J)   Lot coverage. The maximum lot coverage shall not exceed 40% of the lot area.
   (K)   Off-street parking. The minimum off-street parking shall be one and one-half spaces per dwelling unit.
   (L)   Signs. All signs are subject to those provisions set forth in §§ 156.45 and 156.46.
(Ord. 17-2007, passed 12-18-2007)