Nonconforming Uses - 19.52

19.52.010 Maintenance authorized--Extension, alteration prohibited
Subject to the provisions of this chapter, a nonconforming structure or use may be continued and maintained in reasonable repair, but shall not be altered or extended. The extension of a nonconforming use to a portion of a structure, which was arranged or designed for the nonconforming use at the time of adoption of the provisions of this title is not an extension of a nonconforming use. A complete record of the location, value, nature, and extent of all nonconforming uses shall be maintained by the planning and zoning commission.
19.52.080 Change from one nonconforming use to another nonconforming use
No nonconforming use of a building or structure or land may be changed to another nonconforming use, as may be determined by the board of trustees.