Sec. 9-4.2504.  Front yards.
   (a)   Residential zones.
   (1)   Except as otherwise provided in Section 9-4.2510 of this article, in the R-A, R-E, R-1, R-2, and R-3 Zones, each lot shall have a front yard of not less than twenty (20') feet.
   (2)   In the R-0 Zone each lot shall have a front yard of not less than twenty-five (25%) percent of the depth of the lot, except that such front yard need not exceed thirty-five (35') feet.
   (b)   Commercial zones.
   (1)   In the C-2 Zone every lot shall have a front yard of not less than twenty (20') feet, unless waived by the Commission.
   (2)   In the C-1 and C-3 Zones no permanent building or structure shall be located within one hundred (100') feet of the center line of any public road, street, or highway, unless otherwise stated in the development permit.  The conditions and limitations set forth in this subsection shall apply in all cases, unless modified or waived by the Commission and so stated in the permit.  Additional yard, area, and width requirements may be imposed by the Commission where such are reasonably necessary to assure the compatibility of the proposed use in detail with existing uses in the same vicinity and zone.
   (c)   Manufacturing zones.  In the M-2 Zone the standard front yard setback shall be ten (10') feet. In the M-1 Zone all buildings or structures shall be located in accordance with the provisions of Section 9-4.1605 of Article 16 of this chapter.
(§ 8160.4, T.O.O.C., as amended by § 7, Ord. 89, § 16, Ord. 126, renumbered by § XIV, Ord. 173-NS, eff. November 5, 1970, amended by § VI, Ord. 236-NS, eff. November 4, 1971, and § III, Ord. 495-NS, eff. October 10, 1974)