Duluth UDC § 106.06

a. Nonconforming Lot; Defined. A lawful nonconforming lot is a lot of record whose area, frontage, width, or other dimensions, or location were lawful prior to the adoption or amendment of this Development Code, and which, by reason of such adoption or amendment, no longer meets or exceeds one or more such requirements of the applicable zoning district. b. Treatment of Nonconforming Lots. 1. When two or more adjoining lots of record with continuous frontage are in one ownership at any time after the adoption or amendment of this Development Code and such lots, individually, have an area or width that is less than is required by this Development Code, then such contiguous lots shall be considered as a single lot. 2. For a lawful nonconforming lot of record, when it is not possible to provide the required side yards and at the same time build a minimum width single-family dwelling, the Planning and Development Director is hereby authorized to grant a special exception reducing the side yard requirements for such lot the minimum amount necessary for a reasonable dwelling but, in no 36 | P a g e Article One. Adoption, Purpose, and Applicability case shall each of the side yards be less than 5 feet in width. See the Appeals Article of this Development Code for procedures.