(a) Lots having frontage on more than one street shall provide the required front yards along every street.
(b) No accessory buildings shall be located in any front or side yard except under unusual circumstances where such activity shall not conflict with the intent and purposes of this Zoning Ordinance; or, where enforcement shall result in extreme hardship. Either exception shall require approval of the Board. Accessory buildings such as garages may be located in the rear yard provided such buildings are set back at least three feet from the side lot lines and six feet from the rear lot line.
(c) No accessory uses or structures, off-street parking facilities or material or equipment storage shall be located in any front yard without approval of the Board.