17.90.020 Group A.
   Group A nonconforming lots, buildings and uses are those which are generally not detrimental in the zone. They may be continued and under certain conditions altered or enlarged. Group C residential buildings and uses are expressly excluded from this section.
   (A)   Group A nonconforming lots are those lots which do not conform to the lot area and lot dimension standards for the zone in which they are located. The uses permitted in the zone shall be permitted on such lots, subject to all other provisions of the zone.
   (B)   Group A nonconforming buildings are those buildings which do not conform to the building height, yards, distance between buildings, floor area ratio and minimum size of dwelling unit standards for the zone in which they are located. The buildings shall be permitted to continue; provided, that any addition, alterations or enlargement thereto shall comply with all provisions of the zone. The alteration of buildings in established setback areas shall not be permitted without the prior approval of the Board of Zoning Adjustment. When any Group A nonconforming building is for any reason removed from the land, all future buildings or structures erected on such land shall conform to all provisions of the zone.
   (C)   Group A nonconforming uses are as follows:
      (1)   In residential zones, Group A nonconforming uses of buildings are those uses which do not conform to the lot area per dwelling unit standards for the zone in which they are located. Buildings containing such uses may be altered; provided, that the dwelling or rental unit density shall not be increased;
      (2)   In commercial and industrial zones, Group A nonconforming uses of buildings are those uses which are not listed as permitted but which are of the same general type (such as commercial uses in a commercial zone) and are determined by the Board of Zoning Adjustment to be not detrimental to the public health, safety and general welfare and to neighboring uses as provided for in Chapter 17.88. The uses may be continued, altered or enlarged subject to the provisions of the zone.
(`78 Code, § 17.90.020.) (Ord. 2047 § 9 (part), 1991; Ord. 2041 § 1, 1991; Ord. 1927 § 1, 1989.)