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A special exception may be granted for an accessory dwelling, or dwellings, in addition to the main dwelling on a tract or parcel that is primarily in agricultural use, subject to the following requirements:
(a) The accessory dwelling was originally constructed or previously converted to use on the farm as a principal dwelling, farm tenant dwelling, or guest house as defined in section 59-A-2.1 but is not required for such use at the time the application is filed. A farm tenant mobile home cannot be converted to use as an accessory dwelling unless it is permanently affixed to a foundation. A dwelling that was a farm tenant dwelling in existence prior to June 1, 1958 in the RE-2, Rural, RC, and RDT zones may be rented to a non-farm family for residential purposes and is not subject to the requirements of this section as an accessory dwelling.
(b) An accessory dwelling must not be located on a recorded lot in residential, nonagricultural use or on a lot created in accordance with the rural cluster development provisions of section 59-C-9.5.
(c) The total number of accessory dwellings must not exceed 4 on any one lot or parcel. If there is also an accessory apartment, as regulated by section 59-G-2.00, on the parcel, the total number of accessory dwellings, as regulated by this section, must not exceed 3.
(d) Accessory dwellings, when considered in combination with other approved accessory dwellings and apartments, must not result in an excessive concentration of similar uses in the general neighborhood.
(e) There must be adequate water supply and sewerage disposal systems to serve the occupants of the accessory dwelling and any other residence on the property.
(f) Adequate parking must be provided. There must be a minimum of 2 off-street parking spaces per accessory dwelling.
(g) Accessory dwellings must not be detrimental to the use and peaceful enjoyment of surrounding properties or the general neighborhood, and must not cause any objectionable noise, traffic, or other adverse impacts.
(h) Data to accompany application: The board may waive, for good cause shown, any of the data required to accompany an application for a special exception upon written request of the applicant. The board may accept plans or drawings prepared by the applicant so long as they are substantially to scale and provide all information that the board determines is adequate.
(i) Accessory dwellings are subject to the same legislative review and annual reporting provisions applicable to accessory apartments, as set forth in section 59-G-2.00(f) and (g).
(j) Such a dwelling unit is excluded from the density calculations set forth in sections 59-C- 9.41, “Density in RDT Zone,” and 59-C-9.6, “Transfer of Density — Option in RDT Zone.” Once the land is subdivided, the dwelling is not excluded.
(Legislative History: Ord. No. 10-69, § 9; Ord. No. 12-61, § 5.)