(a)   In this district, a one-family dwelling and related accessory structures on a single lot or parcel in existence at the time of the adoption of this Code may be repaired, altered or enlarged in accordance with Chapters 1242, 1248, 1249, or 1251 as determined by the Zoning Inspector.
   (b)   While solely new one-family or multi-family residences are not a permitted use in this district, dwelling units are permitted on a maximum of two upper levels of a building when the use of the story at grade level is a permitted use in this district.
(Ord. 08-33.  Passed 5-4-09.)