5.03 (Standards for Specific Land Uses, Activities, and Facilities) shall control.

B. Conformity with District Regulations.

     1.    No site or structure shall be used for any purpose or in any manner other than in

conformity with the regulations of the zoning district in which the site or structure is located.

     2.    No structure is to be erected and no existing structure is to be moved, altered, or

enlarged, except in conformity with the regulations of the zoning district in which the structure or use is located.

     3.    No required yard or open space area related to any structure or use shall be used,

encroached upon, or reduced in any manner, except in conformity with the regulations of the zoning district in which the yard or open space is located.

     4.    No lot or parcel shall be reduced in area to less than the minimum area prescribed

for the district in which the site is located, unless a Variance is granted pursuant to Section 4.02.020 (Departures from Development Standards) of this Development Code.

Ontario Development Code Page 6.01-1 (Rev. 11.04.2025)

Division 6.01—District Standards and Guidelines

     5.    Any lot that is shown on a recorded map prior to November 5, 1947, and that had

a legal area, width, and frontage at the time the subdivision map was recorded or the lot was legally created, may be used for an allowed land use, and shall be subject to all other regulations applicable to the zoning district in which the site is located.