[Amended 12-17-2008 by Bylaw Amendment 08-628]
Preexisting nonconforming buildings, structures and uses may be continued, subject to the following:
A.
Change, extension or alteration of nonconforming buildings.
(1)
The Building Commissioner may permit a proposed extension, alteration, or change to a preexisting nonconforming single- or two-family dwelling, if he or she determines that there will be no increase to the nonconforming nature of said building. A proposed extension, alteration, or change shall be deemed not to increase the nonconforming nature of said building if:
(a)
The building is located on a lot with insufficient area, but the proposed extension, alteration, or change complies with all other current setback, yard, and building height requirements.
(b)
The building is located on a lot with insufficient frontage, but the proposed extension, alteration, or change complies with all other current setback, yard, and building height requirements.
(c)
The building already encroaches upon one or more required yard or setback areas, but the proposed extension, alteration, or change will comply with the appropriate setbacks for the proposal and all other current setback, yard and building height requirements that the original lot complied with.
(2)
Any proposed extension, alteration, or change to a preexisting nonconforming single- or two-family dwelling that the Building Commissioner determines will increase the nonconforming nature of such building shall require the granting of a special permit from the Board of Appeals. The Board of Appeals may grant a special permit if it determines that such extension, alteration, or change will not be substantially more detrimental to the neighborhood than the existing nonconforming building.
(3)
Other preexisting nonconforming buildings or structures may be extended, altered, changed, or demolished and reconstructed, upon the granting of a special permit from the Board of Appeals if the Board of Appeals finds that such extension, alteration, change, or demolition and reconstruction will not be substantially more detrimental to the neighborhood than the existing nonconforming building or structure.
[Amended 10-21-2015 by Bylaw Amendment 15-752]
B.
Changes to nonconforming use.
(1)
Any nonconforming use of a building or structure may be changed to another nonconforming use, provided the changed use is not a substantially different use, except as provided in Subsection B(2) below, and approval for the change is granted by a special permit for an exception by the Board of Appeals. For the purpose of this section, a "substantially different use" is a use which by reason of its normal operation would cause readily observable differences in patronage, service, physical appearance, noise, employment or similar characteristics from the existing nonconforming use or from any permitted use in the zoning district in which the subject property is located.
(2)
Any nonconforming use that is changed to a conforming use shall not thereafter be changed to a nonconforming use.
C.
Restoration. Any preexisting nonconforming building or structure may be reconstructed if damaged or destroyed by fire or other accidental or natural cause, provided that said reconstruction is completed within a period of two years following date of the initial loss.
D.
Abandonment. A nonconforming use, which has been abandoned or discontinued for a period of two years, shall not be reestablished, and any future use of the premises shall conform to this chapter.