§ 155.055  AREA, SETBACK AND HEIGHT REGULATIONS.
   (A)   No lot, parcel, premises or tract of land shall be created and no building permit shall be issued for any request that does not meet the appropriate minimum lot area, width, depth, yard and height regulations as set forth in the tables in division (B) of this section.
   (B)   See tables on following page.
      (1)   Residential districts.
 
Zoning District6
Minimum Lot Area per Dwelling Unit (Sq. Ft.)
Minimum Floor Area Per Unit (Sq. Ft.)
Maximum Lot Coverage
Minimum Lot Width (Feet)
Minimum Lot Depth (Feet)
Minimum Front Yard (Feet)
Minimum Rear Yard (Feet)1
Minimum Interior Side Yard (Feet)1
Minimum Exterior Side Yard (Feet)
Max. Height (Feet)
Min. Masonry Construction6
Backing up to an abutting side yard
Backing up to an abutting rear yard
A
2 acres
2,200
15%
150
200
40
15
25
25
25
35
See §155.056
SF-12/22
12,000
2,6008
45%
90
120
25
25
10
25
15
35
SF-9.6/20
9,600
2,4008
45%
80
110
25
15
10
25
15
35
SF-8.4/18
8,400
2,2008
45%
70
110
25
15
10
20
15
35
SF-7.5/18
7,500
1,800
45%
65
110
25
15
5 & 102, 7
20
15
35
2F
3,750
1,000
45%
65
110
25
15
5 & 102
20
15
35
MF-1
3,630
See §155.055 (F)
40%
100
120
25
253
203
25
25
354
MF-2
2,420
See §155.055 (F)
40%
100
120
25
253
203
25
25
354
SF-5AC/24
5 acres
2,400
15%
200
200
45
35
20
45
20
35
See §155.056
SF-8.4/16
8,400
1,600
45%
70
110
25
15
5/7.55
20
15
35
SF-7.5/16
7,500
1,600
45%
65
110
25
15
5 & 102, 7
20
15
35
SF-7.5/12
7,500
1,200
45%
65
110
25
15
5/7.55
20
15
35
SF-6/12
6,000
1,200
45%
60
100
25
15
0/105
20
15
35
 
Footnotes:
1.   Refer to § 155.095(C) for minimum rear or side yard requirement on residential lots abutting property in an OP, C-1, C-2, C-3, I-1 or I-2 zoning classification.
   2.   Requires two side yards to have a combined total of not less than 15' with a 5' minimum on one side and a 10' minimum on the other side.
   3.   Notwithstanding the above, townhomes, apartments and multi-family dwellings in MF- 1 and MF-2 Districts, when located adjacent to other residential districts that do not permit multi-family dwellings, shall setback from the property line along such other residential districts four (4) feet for every one (1) foot of building height. See additional landscaping requirements in §155.092 that may affect the building setback.
   4.   Multi-family dwelling units in MF-1 and MF-2 Districts shall not be higher than 35' or two stories, whichever is less.
   5.   For single-family detached dwellings located in SF-8.4/16, SF-7.5/12 and SF-6/12 Districts, the minimum interior side yard shall be five (5) feet for one-story units and seven and a half (7.5) feet for units with more than one-story. Zero-lot-line dwellings in SF-6/12 District shall comply with the provisions in §155.055(C).
   6.   The area and height regulations for the PR District shall be the same as those provided for the SF-12/22 District.
   7.   Developments in the SF-7.5/18 District approved prior to September 14, 2015, and developments in the SF-7.5/16 District approved prior to November 13, 2000, may continue to use a minimum interior side yard of five (5) feet for one-story dwelling units and seven and a half (7.5) feet for dwelling units with more than one-story.
   8.   Developments approved prior to January 14, 2019, may continue to use a minimum floor area as follows: SF-12/22 or PR may be 2,200 square feet; SF-9.6/20 may be 2,000 square feet, and SF-8.4/18 may be 1,800 square feet.
   (2)   Non-residential districts.
 
Zoning Districts (Numbers in brackets refer to exceptions in §155.055(C))
Lot Dimension (i.e. area, width, depth)
Maximum Floor Area Ratio
Minimum Building Setback (feet) (7) (10) (12)
Masonry Construction Requirement
Maximum Height (Feet) (2) (6)
When abutting street
right-of-way
When abutting other property lines (1) (3)
In a
non-residential district
In a residential district
OP
None
0.6
25
None
Refer to §155.095(C)
Refer to §155.056
35
C-1
None
0.6
25
None
Refer to §155.095(C)
Refer to §155.056
35
C-2
None
2.0
25
None
Refer to §155.095(C)
Refer to §155.056
50
C-3
None
2.0
25
None
Refer to §155.095(C)
Refer to §155.056
50
C-4
None
2.0
None
None
10
Refer to §155.056
40
I-1
None
2.0
30
None
40
Refer to §155.056
None
I-2
None
1.0
30
None
40
Refer to §155.056
None
 
   (C)      Exceptions to area and height regulations.
      (1)   In an industrial district, no structural setback shall be required from a railroad right-of-way not less than 50 feet in width.
      (2)   A non-residential building or structure owned and/or operated by a government entity shall be exempt from the district maximum height regulations.
      (3)   A building or structure may exceed the district maximum height regulations with a specific use permit provided that the following minimum setback requirements are met:
         (a)   Single-family or two-family dwellings may be increased in height not more than ten feet when two side yards of not less than 20 feet each are provided.
         (b)   In zoning classifications other than the C-2 and C-3 Districts, hospitals may be erected to a height not exceeding 45 feet when the front, side and rear yards are each increased an additional foot for each foot such buildings exceed 35 feet.
         (c)   In C-2 and C-3 Districts, hospitals may be erected to a height that is deemed appropriate by the City Council provided that the front, side and rear yards are each increased an additional foot for each foot such buildings exceed 50 feet in height, unless the additional setback requirement is modified or waived by the City Council during the approval of the specific use permit.
      (4)   Interior side yards shall not be required for abutting commercial and industrial properties in the same zoning district if both properties are developed as a unit under a common development plan provided that the construction meets the requirements of the Mansfield Building Code and Fire Code.
      (5)   Nonconforming lots of record existing at the time of the adoption of this chapter and lots or parcels created as a result of condemnation or involuntary sale by owner to a government entity with power of eminent domain, shall be exempt, unless indicated, from the minimum lot area, depth and width requirements provided they are developed in accordance with all minimum yard requirements. Multi-family uses shall not be exempt from the minimum lot area requirements.
      (6)   When individual attached townhouses or condominiums are to be sold separately, there shall be no minimum lot area, lot width and lot depth requirements; provided that the total land area of the project, including the land on which the units are located and the land held in common ownership by the unit owners, is equal to the total minimum land area required per dwelling unit in the district in which the project is located.
      (7)   The height regulations of this chapter shall not apply to belfries, chimneys, church spires, conveyors, cooling towers, elevator bulkheads, fire towers, storage towers, monuments, ornamental towers or spires, cranes, construction equipment, smoke stacks, stage towers and scenery lofts, tanks, ham radio and television antennas, and microwave relay, radio and television transmission towers provided that in a PR, residential or commercial district restricted to 35 feet in height, one additional foot shall be added to the width and depth of the front, side and rear yards for each foot that such structures exceed 35 feet in height.
      (8)   Buildings or structures for existing developments in industrial districts shall be exempt from the minimum yard requirements where the expansion, enlargement or separate addition thereof is limited to land already owned by those businesses or committed to them under long term leases (or extensions thereof) at the time of the enactment of this chapter unless it abuts a residential zoning district.
      (9)   Permitted residential use in the C-4 Downtown Business District shall not be subject to the area and setback restrictions of a more restrictive residential district.
      (10)   The zero-lot line concept which involves locating a residential dwelling with a doorless and windowless wall actually on one interior side lot line and with one side yard at a minimum width of ten feet shall be permitted in the SF-6/12 District when the appropriate building lines and necessary structural restrictions for the zero-lot-line concept, as set forth in § 155.099, are shown on a recorded plat which has been approved by the Planning and Zoning Commission.
      (11)   Where a building line has been established by a recorded plat or a city ordinance and such line requires a greater or lesser front, side or rear yard setback than is prescribed by this chapter for the district in which the building line is located, the required front, side or rear yard shall comply with the building line so established by such plat or ordinance.
      (12)   Where lots have double frontage, running through from one street to another, a required front yard shall be provided on both streets unless a building line for accessory buildings has been established along one frontage on the plat or by city ordinance, in which event only one required front yard need be observed.
      (13)   Every part of a required yard shall be open and unobstructed except for accessory buildings or use as permitted herein, and the ordinary projection of window sills, belt courses, fences, cornices, and roof eaves not exceeding 24 inches into the required yard. No accessory building or use shall be allowed in the required front or side yard except as provided in § 155.099(B).
   (D)   Minimum setback for trash containers and refuse or recycling storage areas. Trash containers and storage areas for refuse or materials awaiting disposal or recycling shall setback a minimum of 50 feet from any public street.
   (E)   Minimum floor area and building separation in MF-1 and MF-2 Districts.
      (1)   In any district in which apartments and multi-family dwellings are permitted, the following standards shall be followed in establishing the minimum floor area, minimum width of a place or court and minimum separation between buildings, to be measured between building walls:
   Dwelling Type            Minimum Floor Area
   a. Townhouse            1,200 sq. ft. per unit
   b. Apartment and other multi-family   600 sq. ft. per efficiency
     dwelling               750 sq. ft. per 1 bedroom unit
                     900 sq. ft. per 2 bedroom unit
                     1,000 sq. ft. per 3 bedroom unit
         The minimum average floor area per apartment or multi-family residential project shall be 800 square feet; said minimum average floor area shall apply to the total number of units to be constructed under the same building permit.
   When Buildings are Facing         Minimum Separation
   a. Front to front            40 feet
   b. Front to rear            40 feet
   c. Rear to rear            20 feet
   d. Side to side            10 feet
   e. Side to front            20 feet
   f. Side to rear            10 feet
      (2)   In applying the above described standards, the front of a building shall be deemed to be any building face, whether in one or more planes, having doors, entrances or openings for primary access to the building or any unit therein. The rear of the building shall be the face of the building that is most nearly parallel and opposite to the building front and has no doors, entrances or openings for any access to the building or units therein. A building is considered to have a double frontage if both frontage has doors, entrances or openings for access to the building or units therein. The sides of a building shall be building faces that are not considered as the front or rear of the building.
   (F)   Area, setback and height regulations for accessory buildings. Refer to § 155.099(B)(5). (Ord. 671, passed 4-15-86)