1181.01 MODIFICATIONS AND EXCEPTIONS.
   (a)    Reduction of Side and Rear Yards and Lot Area for Lots of Record.
      (1)    On lots less than fifty feet wide and of record as of the effective date of this Zoning Code, the required side yard may be reduced one and one half inches for each foot such lot is less than fifty feet in width, provided that in no case shall the width of the side yard be reduced to less than five feet.
      (2)    On lots less than 120 feet deep and of record as of the effective date of this Zoning Code, the depth of a required rear yard may be reduced by two inches for ever, foot such lot is less than 120 feet deep, provided that in no case shall the depth of the required rear yard be reduced to less than twenty feet.
      (3)    In any district where dwellings are permitted, a single-family dwelling may be erected on a lot of record as of the effective date of this Zoning Code, which lot has less than the minimum lot area specified for the district, provided that all the yard and height requirements of the district are complied with, and provided further that such minimum lot area shall be not less than the following:
         A-1, 7,500 sq. ft.; R-1, 7,500 sq. ft.; R-2, 6,500 sq. ft;
         R-3, 5,500 sq. ft.
   (b)    Average Depth of Front Yards. Except as otherwise specified, in any R District, when fifty-one percent (51%) or more of the lots on the same side of the street within the same block and within 200 feet are improved with residence buildings seventy-five percent (75%) of which conform within five feet to an average alignment, no building shall project beyond such average alignment, provided that no front yard shall be less than fifteen feet.
   (c)    Multi-Frontage Lots. Where a lot extends through the block from street to street, the required front yards shall be provided along both streets. On lots more than 175 feet in depth, additional open space equivalent to the area of an additional required rear yard shall be provided. All multi-frontage lots shall meet front yard requirements on all frontages.
   (d)    Computation of Rear Yards and Courts. In computing the dimension of a required rear yard or court adjoining a public alley, one half of such alley may be assumed to be a portion of the yard or court, except that in no case shall any building or structure be erected closer than ten feet to any such alley. The portion of a yard opposite the open end of another court may be assumed to be a portion of such court.
   (e)    Side Yard Corner Lot. A side yard along the side street line of a corner lot, which lot abuts in the rear, either directly or across an alley, the side lot line of another lot in an R District, shall have a width of not less than the depth of the front yard required in Section 1161.03. 
   (f)    Side Yard Where Lines Not Parallel. Where a side wall of a building is not parallel with the side lot line, or where a side yard is irregular, the average side yard width may be considered for the required minimum width; provided that the side yard shall not be narrower than five feet nor less than one-half (1/2) the required minimum width at any point, and the side yard width measured from the closest point of the building to the property line shall not be less than that required for a side wall of equivalent length and story height.
   (g)    Required Rear Yard Where Lot of Irregular Shape. In the case of an irregular, triangular or gore-shaped lot, the required minimum depth of a rear yard may be deemed to be the average depth, provided that no rear yard so average shall be less than ten feet or one half the required minimum depth at any point. (Ord. 1135. Passed 11-26-84.)