A.
There shall be only one principal building per lot on residential lots, except as provided in Subsection B below. A "principal building" means the building used as dwelling quarters, and does not include accessory structures. Two or more residential units which are attached and share a common wall, such as attached townhouse units or a row-type building, shall be deemed to be a single principal building.
B.
Exceptions:
(1)
In addition to the principal dwelling, a manufactured home dwelling may be placed on an active farm in any zoning district, provided that it is occupied or intended to be occupied by a person employed in the operation of the farm. The manufactured home must be removed within six months of the date it ceases to be used for such purpose.
(2)
Two, but not more than two, single-family dwellings may be permitted on a single lot, provided that the lot size is at least double the required minimum for the zone; dwellings are located at least double the required side yard setback from one another; or buildings are otherwise situated such that were the lot to be split all dimensional requirements of this chapter would be met for each of the two resulting lots; and each dwelling must be served by potable water and have its own separate septic system which shall be approved by the Clinton County Health Department. A copy of said approval shall be provided to the Town of Champlain Codes Enforcement Building Inspector's Office. In order to affirm that the division into two lots which meet all requirements of this chapter will be possible at some future date, the applicant shall submit a plot plan drawn to scale showing existing property lines, all proposed buildings, the location of wells and septic systems, and the location of the future lot split.