Any building or use existing on the effective date of this chapter and permitted by the zoning ordinance in effect immediately prior to that date, although not conforming with the other provisions of this chapter, may be continued, subject to compliance with the provisions of § 145-22 of this chapter and subject to the following conditions:

A permit may be issued for the construction of a building or structure on a lot which does not conform to the minimum required area, frontage or other dimensional requirements of this chapter, provided that a valid conveyance was recorded prior to the adoption of the zoning restriction(s) which rendered said lot nonconforming. Notwithstanding the foregoing, if the owner of the lot owns a contiguous lot or lots, then such contiguous lot or lots, or so much thereof as may be necessary, shall be merged with the nonconforming lot in order to bring said lot into conformance with this chapter, or at least to reduce the degree of nonconformity to the maximum extent possible. Irrespective of any remaining dimensional nonconformity, all yard setbacks, maximum coverage standards and other similar requirements which are in effect at the time of obtaining the building permit must be complied with, insofar as feasible.

In the case of a lot on which there stands, on the effective date of this chapter, a dwelling or other principal building or accessory building or structure which conforms with the zoning ordinance in effect immediately prior to that date, which lot shall not at any time on or after the effective date hereof have been reduced in area or in any dimensions, the fact that the area of such lot is less than that prescribed in this chapter or that the length of front lot line frontage of said lot is less than that prescribed in this chapter shall not prevent the erection, enlargement, alteration or maintenance on such lot of buildings or structures which, as so erected, enlarged or altered, comply with all other provisions of this chapter.

No building shall be used or maintained on a lot which is hereafter reduced in area or length of front lot line frontage in violation of the following provisions:

Not less than two off-street parking spaces, including the necessary access and egress drives thereto, shall be provided to serve each single-family dwelling. Each such parking space shall be a minimum of 10 feet wide by 20 feet long, with a sufficient access drive and maneuvering area so as to not require the backing of any vehicle onto a street. Off-street parking and loading requirements for uses other than single-family dwellings shall be determined on a case-by-case basis by the approving authority, i.e., either the Village Board of Trustees or the Board of Zoning Appeals, as appropriate. The number, size, design and location of parking spaces shall be based upon the number of employees, residents, students, visitors or guests estimated to be on the property at the maximum time and shall also take into consideration the estimated rate of turnover of such spaces. The approving authority may require the applicant to prepare and submit such studies as are determined necessary by the approving authority to assist it in making such decision.

Public utility buildings or structures, where not otherwise authorized by law, are permitted with the approval of the Board of Trustees. The provisions of this chapter with respect to height, area and setbacks shall not be applicable to any such building or structure, but in approving any such building or structure, the Board of Trustees shall make reasonable provision for the height, area and setback of each such building or structure. The Board of Trustees may also impose reasonable conditions on such approval in order to promote the good order, peace, health, safety, morals and the general welfare of the village and its inhabitants, to the extent to which such restrictions may be permitted by law.