Any building, other structure or use of land
which is made nonconforming by any lot size, open space or height
regulation of this chapter or by any subsequent amendments thereto
may be continued, except as hereinafter provided.
Such nonconforming building, other structure
or use of land may be enlarged or extended, provided that any such
enlargement or extension shall comply with the regulations of this
chapter.
Such nonconforming building or other structure
may be repaired or structurally altered, provided that alterations
creating enlargements or extensions shall conform to the regulations
of this chapter.
Such nonconforming building or other structure
which has been damaged or destroyed by any means to the extent of
50% or more of its equalized assessed value, as determined by the
Town Assessor of the Town of Concord, or which has been condemned
by the Code Enforcement Officer of the Town of Concord and ordered
to be demolished shall not be rebuilt or repaired except in conformance
with the regulations of this chapter. In the case of a permitted restoration
of any such nonconforming use, the degree of nonconformance of the
original building or other structure shall not be increased.