A nonconforming use, building or structure may be continued, provided it complies with Sections 21.20.060 and 21.20.070.

In order for a nonconforming use, building or structure to continue, it must have been lawfully established prior to the change in the zoning map or change in the zoning code that caused it to be a nonconforming use, building, or structure.

A nonconforming use shall be discontinued if it ceases to be used continuously for that particular use for twelve consecutive months.

A nonconforming building or structure shall be discontinued if it ceases to be used continuously for the purpose for which it was built for twelve consecutive months.

A nonconforming building or structure shall be discontinued if it is destroyed by fire or other cause, and rebuilding does not commence within twelve months.

A building or structure conforming as to use but nonconforming as to the setback and height provisions of the district in which said building or structure is located may be altered, repaired, or extended; provided, that the alteration does not further exceed or violate the appropriate setback and height provisions. (For example, a building or structure encroaching in a setback area shall not further encroach into the setback areas as a result of an alteration.)

No such nonconforming use shall be enlarged, increased or extended to occupy a greater use than was occupied at the effective date of adoption of this title.

No nonconforming use shall be moved in whole or in part to any other portion of the lot occupied by such use at the effective date of adoption or amendment of this title.

The use of land for agriculture, forestry or as pasture land which does not conform to the provisions of the zone district in which it is located shall be authorized to continue for such use.

A building or structure designed and built for, or devoted to, a nonconforming use at the time of adoption of this code may not be enlarged or structurally altered unless the use of such building or structure is changed to a conforming use, or to a more appropriate use, in accordance with this subsection.

Any building or structure and/or land combination in which a nonconforming use becomes an authorized use shall thereafter conform to the regulations for the zone in which such building or structure is located.

Structural alterations of a dwelling unit necessary to comply with public health or safety issues, as determined by the administrator and building official, may be permitted without review.

Notwithstanding other provisions of this chapter, nonconforming dwelling units may be enlarged, replaced, or structurally altered when, at the discretion of the administrator, the following are satisfied:

Notwithstanding other provisions of this chapter, accessory uses to a nonconforming dwelling unit shall be allowable uses (i.e., a new garage, carport or tool shed).