The Zoning Board of Appeals may issue a variance for the erection of a dwelling on any lot separately owned or under contract of sale and containing, at the time of passage of this chapter, an area or a width smaller than required for a one-family dwelling. The minimum side yard requirements are reduced in proportion to the reduction of lot width over the specific minimum lot width for the district. This provision applies only where the applicant owns one lot, not two or more.

No lot shall be so reduced in area that any required percentage open space will be less than prescribed in the regulations for the district in which said lot is located. Whenever such reduction in lot area occurs, any building located on said lot shall not thereafter be used until such building is altered, reconstructed or relocated so as to comply with the area and yard requirements applicable thereto.

Any building damaged by fire or other causes, situate on a lot existing at the effective date of this section and continuously thereafter in ownership separate from that of any adjacent land and notwithstanding that such lot does not conform to the requirements of this chapter, regarding minimum lot area and/or lot width, may be repaired or rebuilt without the issuance of an area variance from the Zoning Board of Appeals.

In some instances, a single lot may be located within two or more different zoning districts. When this occurs, all applicable zoning regulations for each particular district shall be applied separately to each portion of the lot which is in that district. This includes, but is not limited to, the front, rear, and side yard regulations as well as any applicable use, density, and lot coverage regulations as outlined in the Tables of Uses, Area, Frontage, and Setback Requirements.[1] Thus, such a parcel can be developed as a full parcel, but have mixed uses and different intensities of use.

On every corner lot, there shall be provided on the side street a side yard equal in depth to the required front yard depth on said side street.

Additions to existing structures, installation of swimming pools and construction of storage sheds up to 120 square feet on lots which do not comply with the existing space regulations under this chapter shall require a variance only in the event that the placement of such addition in and of itself creates a further violation of existing regulations.