(a) Nonstandard uses existing immediately prior to the effective date of this chapter may be continued, although the uses do not conform to the provisions hereof.
(b) Nonstandard buildings or structures may be enlarged or extended, converted, reconstructed or structurally altered as follows:
(2) Structural alterations of buildings or structures may otherwise be made if the changes do not encroach into an existing front yard, side yard or rear yard which is less than the minimum required yard for the district in which they are located except as allowed by § 160.508 (setback averaging).
(3) Enlargement, extension, conversion of buildings or structures may otherwise be made if the changes comply with the minimum required yards, lot area, height, landscaping, parking and density for the district in which they are located.
(1992 Code, App. B, § 15.47.090) (Ord. 42-83, passed 6-27-1983; Ord. 70-89, passed 7-31-1989; Ord. 9-13, passed 3-19-2013)