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(a) General provisions.
(1) Any accessory building added to an existing legal nonconforming one or two-family dwelling shall conform to the district standards applicable to the residential use.
(2) Accessory buildings shall comply with the side and rear setbacks for the primary structure of the zoning district applicable to the residential use.
(3) The total area covered by all rooftops shall not exceed the maximum lot coverage (percentage) for the district applicable to residential use.
(4) Accessory structures attached to a primary structure by a breezeway, covered walkway or other structure whose roofline is not part of the primary structure shall not be considered to be an extension of the primary structure.
(5) For purposes of enforcing this section, the “MH” zoning district is considered a residential zoning district.
(b) Non-habitable accessory structures.
(1) All accessory structures except private garages, private carports or private porte cocheres.
a. Allowable square footage.
1. Non-habitable accessory buildings shall not exceed the maximum square footage for each residential lot size as depicted in the following table:
Lot Size | Maximum Total Square Feet for Accessory Buildings |
Less than 5,000 square feet | 120 square feet |
5,000 to 9,999 square feet | 200 square feet |
10,000 to 21,779 square feet | 400 square feet |
21,780 to 43,559 square feet | 400 square feet |
43,560 square feet or larger | 2% of the total area of the lot |
2. The maximum square footage limits shown above shall be cumulative of all non-habitable accessory structures for each lot excluding private garages, private carports and private porte cocheres. Private garages, private carports and private porte cocheres shall not be included for the purpose of determining allowable square footage of non-habitable accessory structures on a residential lot.
3. The square footage within an attic or loft shall be excluded from the calculation of maximum square footage of a non-habitable accessory building or structure.
b. Non-habitable accessory buildings or structures shall be limited to one story, but may have an attic or loft, provided the attic or loft does not contain heated or air-conditioned floor space. The non-habitable accessory structure may not exceed the height of the primary structure.
c. All non-habitable accessory structures must be located behind the rear wall of the primary residential structure that is furthest from the street or at least 75 feet from the front of the property line, whichever is the least restrictive.
d. Non-habitable accessory structures shall be limited to a height of ten feet. The height of the accessory structure may be increased to a maximum height of 12 feet, provided that, for each additional foot in height over ten feet, the accessory building is set back an additional two feet (2:1) from the rear and side setback requirements of the district applicable to the residential use.
e. Temporary portable storage containers and dumpsters may be utilized for a maximum of 30 days unless associated with an unexpired building permit, which may be allowed up to 180 days or the duration of the building permit, whichever is less. One such container per building permit may be allowed per address for each year. These units must be placed only on a permanently paved driving or parking surface if in the front yard of a single-family or two-family home and may not encroach into the street right-of-way.
(2) Private garages, private carports or private porte cocheres.
a. Non-habitable accessory buildings or structures shall be limited to one story, may have an attic or loft provided the attic or loft does not contain heated or air conditioned floor space. The non-habitable accessory structure may not exceed the height of the primary residence.
b. No more than one garage and one carport or porte cochere per residential unit on a single residential lot shall be permitted on lots less than one-half acre. Additional garages or porte cocheres may be permitted provided the garages and porte cocheres are:
1. An integral part of the primary residential structure;
2. Have the same roofline as the primary residential structure; and
3. Share a driveway and/or motor court as the primary residential structure.
c. On lots one-half acre or larger, two garages and one carport or porte cochere per residential unit on a single residential lot shall be permitted.
d. Private carports and private porte cocheres in rear setbacks.
1. The rear yard setback for a private carport or private porte cocheres in one-family districts with a lot size of 7,500 square feet or less shall be one and one-half feet when the following conditions are met:
i. The maximum square footage of the carport or porte cochere is not greater than 400 square feet;
ii. The maximum height of the plate of the carport or porte cochere is no higher than the plate height of the first floor of the main residential structure; and
iii. The roof pitch of the carport or porte cocheres is no steeper than the predominate roof pitch of the main residential structure.
2. Private carports and private porte cocheres in side yard setbacks. The side yard setback for a private carport or private porte cochere in one-family districts with a lot size of 7,500 square feet or less shall be one and one-half feet when the following conditions are met:
i. The maximum total square footage of the carport or porte cochere is not greater than 200 square feet;
ii. The maximum height of the plate of the carport or porte cochere is no higher than the plate height of the first floor of the main residential structure; and
iii. The roof pitch of the carport or porte cochere is no steeper than the dominate roof pitch of the main residential structure.
3. Private carports and private porte cocheres in front yard setbacks. No private carport or porte cochere shall be permitted within the minimum required front yard, platted front yard or projected front yard of residential dwellings except by special exception granted by the board of adjustment in accordance with the use tables in Chapter 4, Article 6. In reviewing a request for a private carport or porte cochere within the minimum required front yard, platted front yard or projected front yard, the board of adjustment shall consider the following:
i. The presence and/or absence of a functional garage on the residential lot, parcel or tract;
ii. The viability of access to the side and rear yard;
iii. The size, height and design of the carport or porte cochere and its impact on adjacent properties; and
iv. The incidence of other carports or porte cocheres on the block face.
(c) Habitable accessory structures. In addition to the requirements set out in subsection (a) above, habitable accessory buildings must comply with the following requirements:
(1) Must meet all applicable City of Fort Worth building code for habitable structures;
(2) May not exceed the height of the primary; and
(3) May be used only as an accessory dwelling unit and may not be used as a separate independent residence for one-family districts.
(Ord. 15406, § 2, passed 1-14-2003; Ord. 15830, § 2, passed 1-13-2004; Ord. 15927, § 1, passed 3-23-2004; Ord. 20454-10-2012, § 2, passed 10-9-2012)
(a) General provisions. Accessory storage structures shall comply with the side and rear setbacks for the primary structure of the applicable zoning district.
(b) Non-habitable accessory uses.
(1) All non-habitable accessory uses must be located behind the front wall of the primary structure that is furthest from the street.
(2) If adjacent to a residential district, the height of the accessory structure shall be limited to a height of ten feet. The height of the accessory structures shall be measured from the ground to the highest point of the structure. The height of the structure may be increased to a maximum height of 12 feet, provided that, for each one foot in height over ten feet, the accessory structure is set back an additional two feet (2:1 ratio) from the rear and side yard setback requirements in the district applicable to the nonresidential use.
(3) Refuse dumpsters and recycling collection containers shall be installed on concrete pads and be screened on all sides from view of a public street or residential area.
(4) Storage containers must not be placed on required parking spaces, and must be located behind the primary structure on street frontages.
(5) Structures intended as a display of inventory for sale are not regulated by this section.
(6) Job trailers/offices are allowed for construction personnel as part of a building permit and tied to the building permit for the duration of the job.
a. Two or more trailers must be spaced a minimum of ten feet apart. A deck may be installed to connect multiple trailers.
b. If the trailer is located off the job site, the following applies:
1. Must be in “E” Neighborhood Commercial or less restrictive zoning district;
2. The office must have a dust free parking surface;
3. Landscaping and a screening fence/bufferyard is not required; and
4. One sign is permitted indicating the nature of construction.
(c) Habitable accessory uses; security residence. One residence may be permitted as an accessory use in nonresidential districts when part of a business for security purposes. A structure classified as a security residence is not intended to serve as a rental unit independent of the business. A temporary structure, such as a mobile home or RV is not permitted as a permanent security residence.
(Ord. 13896, passed 10-12-1999; Ord. 15406, § 3, passed 1-14-2003; Ord. 20454-10-2012, § 3, passed 10-9-2012)
Editor’s note:
Ord. 20454-10-2012, § 4, passed October 9, 2012, repealed § 5.303, which pertained to accessory uses in unified residential developments. See the Code Comparative Table.
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