In a Residence R-3 District, no building, structure or land shall be used and no building or structure shall be erected, altered or enlarged which is arranged, intended or designed for other than one of the following uses:
(a) All principal permitted uses as regulated in the Residence R-2 District, except as hereafter modified;
(b) Multiple family dwellings for any number of families or housekeeping units;
(c) Lodging and boarding houses, including incidental accessory service;
(d) Offices for physicians, surgeons, dentists and other health care professions, such as optometrists, podiatrists and chiropractors, and beauty shops and/or barber shops, provided that there is written consent of 60 percent of the adjacent property owners or their agents, and off-street parking is available to accommodate one space (ten feet by 20 feet) for each 400 feet of floor area;
(e) Nursing homes or rest homes for convalescent patients, childrens’ nurseries and similar uses;
(f) Hospitals for human care provided that buildings which are used for the treatment of contagious diseases, or for the care of epileptics, drug addicts, the feebleminded or insane, shall be at least 150 feet distant from any lot in any residence district;
(g) Colleges for academic instruction;
(h) Business and professional offices; and
(i) Signs as may be permitted in Chapter 1474 of the Building and Housing Code.
(Ord. 77-25, passed 4-28-1977; Am. Ord. 79-77, passed 12-12-1979)