(a) For purposes of this Zoning Ordinance the City hereby establishes a Single- Family District, which shall include the area of the entire City. Except as otherwise provided herein, no building, structure or premises shall be used, and no building or structure shall be erected, raised, move, reconstructed, enlarged or altered except in conformity with the regulations herein established.
(b) In a Class A Single-Family District, no building or structure shall be erected, altered or used to make provision for or accommodate more than one family for each acre of lot area, and no dwelling shall be erected on a lot in less than 125 feet.
(1978 Code Sec. 1260.01)