§ 155.621 SUPPLEMENTAL REGULATIONS FOR ACCESSORY BUILDINGS AND STRUCTURES.
   The following regulations are supplemental to the standards identified in § 155.620.
   (A)   Residential districts.
      (1)   Accessory buildings and structures located within the R-MH District shall be located at least four feet from any side lot line, and at least five feet from any rear lot line.
      (2)   For waterfront lots located within developments approved under the design criteria of R-1Z single-family zoning districts, accessory structures at grade shall be allowed to extend to the zero setback side property line, excluding structures with a roof.
      (3)   Structures with roofs may extend to the zero setback side property line if a six foot high concrete block privacy wall is installed along the entire length of the accessory structure.
      (4)   Pool barriers.
         (a)   Swimming pool barriers shall be permanently affixed.
         (b)   Swimming pool safety barriers shall include either a screened enclosure, a fence, a concrete block wall, a body of water or other barrier.
         (c)   Physical pool barriers shall be no less than four feet in height.
         (d)   The safety barrier shall be erected either around the swimming pool or around the premises on which the swimming pool is located. In either event, it shall enclose the area entirely, prohibiting unrestrained admittance to the enclosed area.
         (e)   Gates shall be self-locking and comply with § 155.655.
         (f)   Safety barriers shall meet all applicable state statutes and building codes as amended from time to time.
      (5)   Decks that are connected to a dock shall be permitted within the rear setback, however, the portion of the deck within the rear setback shall not exceed width of the dock.
      (6)   Artificial turf.
         (a)   Artificial turf shall consist of green lifelike individual blades of grass that emulate natural turf in look and color.
         (b)   All artificial turf shall, at a minimum, be installed according to the manufacturer's specifications.
         (c)   All artificial turf installations shall be anchored to ensure that the turf will withstand the effects of wind.
         (d)   All seams shall be secured and edges shall be trimmed to fit against all regular and irregular edges to resemble a natural look.
         (e)   Proper drainage shall be provided for all artificial turf installations to prevent excess runoff or pooling of water.
         (f)   All artificial turf shall be maintained in a green fadeless condition and shall be maintained free of dirt, mud, stains, weeds, debris, tears, holes, and impressions. Maintenance shall include, but not be limited to cleaning, brushing, debris removal; repairing of depressions and ruts to maintain a visually-level surface; elimination of any odors, flat or matted areas, weeds, and invasive roots; and all edges of the artificial turf shall not be loose and must be maintained with appropriate edging or stakes.
         (g)   All artificial turf must be replaced if it falls into disrepair with fading or holes or loose areas. Replacement and/or repairs shall be performed utilizing like materials from the same manufacturer and installed so in a manner that results in a repair that blends in with the existing artificial turf.
         (h)   Artificial turf may be located within the front setback when incorporated as an accent into a driveway.
      (7)   Accessory dwelling unit (ADU).
         (a)   Purpose: Accessory dwelling units are a recognized element of our neighborhoods and provide a variety of housing types. The following standards allow the continuation and establishment of this housing type in a manner consistent with the surrounding development. The provisions of this section do not override any deed restriction or homeowners' association declarations restricting accessory dwelling units; however the city has no authority to enforce such restrictions.
         (b)   Applicability: Establishment or expansion of a lawful accessory dwelling unit shall be subject to the following requirements:
            1.   An accessory dwelling unit is permitted only as accessory to, and on the same lot as, a single-family dwelling, and are not permitted as accessory to a two-family dwelling, multifamily dwelling, or mobile home dwelling.
            2.   Not more than one accessory dwelling unit per lot is permitted.
            3.   An accessory dwelling unit may be within or attached to the principal dwelling (e.g., a downstairs apartment), or exist within or as a detached structure (e.g., an apartment above a detached garage or a guesthouse). An accessory dwelling unit attached to the principal dwelling shall have an operative interconnecting door with the principal dwelling and shall have principal access only from the side or rear yard of the principal dwelling.
            4.   The use of a mobile home, recreational vehicle, or a similar vehicle as an accessory dwelling unit is prohibited.
            5.   An accessory dwelling unit shall not be permitted before construction of the principal building has commenced or a lawful principal use is established.
            6.   An accessory dwelling unit shall be subordinate to the principal use with respect to building height, building area, and building coverage.
            7.   An accessory dwelling unit shall not be permitted on properties which are serviced by septic.
         (c)   Lot requirements: Establishment of a new accessory dwelling unit shall only be allowed if:
            1.   The lot complies with the current minimum lot area requirements for the zoning district and remains under common ownership.
            2.   A lot containing an accessory dwelling unit shall not be subdivided to separate the accessory dwelling unit from the principal use, unless such division can meet all applicable standards of the zoning district and land development regulations.
         (d)   Building requirements.
            1.   The floor area of any accessory dwelling unit shall not be less than 300 square feet or exceed 1,000 square feet in area, and all areas under roof must be less than the floor area of the principal dwelling unit. For detached accessory dwelling units, this limit shall apply to the combined square footages of the accessory dwelling unit and any accessory living space within the same building, including any areas used for storage, bathrooms, or shared laundry facilities (excluding any enclosed parking spaces).
            2.   An ADU shall operate as a fully functional residence, complete with kitchen, bathroom, and living and/or bedroom quarters.
            3.   A paved walkway at least two feet in width shall connect the main entrance of the accessory dwelling unit with the off-street parking spaces.
            4.   The building containing an accessory dwelling unit shall be compatible with the style of the building containing the principal use, including finishes, roof pitch, and paint scheme.
            5.   Where an attached garage on the front façade of a structure is converted to an accessory dwelling unit, the garage door shall be removed, and the enclosure must be architecturally compatible with the style of the building including finishes and color scheme.
            6.   All accessory dwelling units shall be permitted and comply with the Florida Building Code.
         (e)   Parking and accessibility. Accessory dwelling units shall be subject to the following parking standards:
            1.   One paved off-street parking space shall be required on the lot for the accessory dwelling unit. This space shall be in addition to the required parking required for the principal building. For purposes of this section, paved shall be defined as concrete, pavers, or asphalt.
            2.   Required off-street parking spaces must be provided within a paved driveway and be located entirely on the property.
   (B)   Nonresidential zoning districts.
      (1)   Accessory buildings and structures as outlined in this subchapter shall meet the setbacks of the district in which they are located.
      (2)   Accessory buildings and structures shall not exceed the height or size of the primary building. (Ord. 2021-02, adopted 3-17-21; sought to be reconsidered, Commission passed 4-21-2021; Am. Ord. 2022, passed 6-18-24)