Not less than 10 days prior to the date of a hearing on an application or petitions for a zone reclassification, variance, conditional use permit or design review approval, the Commission shall give notice, which shall include the time, place, and purpose of such hearing, the general location of the property under consideration, and such other information as the Commission deems necessary, and shall:
(1) Cause a copy of such notice to be published once in a newspaper of general circulation in the City; and
(2) Cause such notice to be mailed by first-class mail, postage prepaid, to the applicant for the variance or conditional use permit and to all persons whose names and addresses appear on the latest use permit and to all persons whose names and addresses appear on the latest available assessment roll of the County as owning property within a distance of 300 feet from the exterior boundaries of the area actually to be occupied by the use for which the application for the variance or conditional use permit is filed or, in the case of a zone reclassification, from the exterior boundaries of the property for which the petition for the zone reclassification is filed, and to such other persons whose property might be affected by the establishment of the use or zone requested in the judgment of the Commission.