A residential development shall be exempt from the requirements of this article when it consists only of any of the following:

(a) Any modification or remodel of an existing legally established dwelling unit where no additional bedrooms are created.

(b) The conversion of an existing apartment building into a condominium or stock cooperative where no new dwelling units are created.

(c) Any rebuilding of a legally established dwelling unit destroyed or damaged by fire, flood, explosion, act of God or other accident or catastrophe.

(d) Any rebuilding of an historical building recognized, acknowledged and designated as such by the city.

(e) Any residential complex which, through special use permit, is designated as senior citizens' housing.

(f) Residential development for which the developer has entered into agreements with the school districts for school facilities such as construction and leasing of schools or participation in a Mello-Roos Community Facilities District. (Ord. No. 1954 (NCS), § 1.)