No existing building or premises devoted to a nonconforming use shall be enlarged, extended or structurally altered except in any of the following circumstances:
(a) Residential dwellings as outlined in Section 1270.02.
(b) When required by law or ordinance or unless such use is changed to one permitted in the district in which such building or premises is located.
(c) A legal nonconforming residential building may be expanded no more than 25% of the original ground floor area of the residential use or building so long as the expansion meets all other zoning requirements.
(d) This section shall not prevent the alteration, improvement, or rehabilitation of any legal nonconforming building which meets the following requirements:
(1) The change will maintain the building in safe repair.
(2) The change will protect public health, safety, and welfare.
(3) A conforming use which does not conform to height, area, yard, parking or off-street loading provisions only may be altered, remodeled, modernized or enlarged, provided no additional encroachment of such provisions is occasioned thereby.
(Ord. 10-2020. Passed 11-24-20; Ord. 03-2023. Passed 5-2-23.)