The lawful use of a building, structure or property which existed
at the time this Part, or an applicable amendment to this Part, took
effect and which is not in conformity with the provisions of this
Part, including the routine maintenance of such a building or structure,
may be continued, subject to the following conditions:
A.
The shoreland-wetland provisions of this Part authorized by § 61.351,
Wis. Stats., shall not limit the repair, reconstruction, renovation,
remodeling or expansion of a nonconforming structure or of any environmental
control facility related to such a structure in existence on the effective
date of the shoreland-wetland provisions. All other modifications
to nonconforming structures are subject to § 62.23(7)(hb),
Wis. Stats. Note: An ordinance may not prohibit, or limit based on
cost, the repair, maintenance, renovation, or remodeling of a nonconforming
structure.
B.
If a nonconforming use or the use of a nonconforming structure is
discontinued for 12 consecutive months, any future use of the building,
structure or property shall conform to this Part.
C.
Any legal nonconforming use of property which does not involve the
use of a structure and which existed at the time of the adoption or
subsequent amendment of this Part adopted under § 61.351
or 62.231, Wis. Stats., may be continued although such use does not
conform with the provisions of this Part. However, such nonconforming
use may not be extended.
D.
The maintenance and repair of nonconforming boathouses which are
located below the ordinary high-water mark of any navigable waters
shall comply with the requirements of § 30.121, Wis. Stats.
E.
Uses which are nuisances under common law shall not be permitted
to continue as nonconforming uses.
