(A) No person, firm, partnership or corporation shall engage in construction contracting without having a current valid license issued in accordance with this chapter. The term construction contracting shall mean being engaged in the performance or supervision of work regulated by provisions of any of the technical codes, as defined in Title C, Chapter 8, and shall include persons contracting to perform such work in the conduct of a business.
(B) Exception:
(1) The owner of an existing single-family dwelling who occupies the dwelling as his or her own residence may perform repair work regulated by any of the above named codes on said dwelling together with any existing accessory buildings not used for commercial purposes only if:
(a) The owner has secured a valid permit prior to commencement of the repair work;
(b) The owner calls for all of the required inspection normally required as part of performing such work;
(c) The owner has not applied for work permits at more than two dwellings within a period of four years nor is engaged in the business of remodeling dwellings other than his or her own dwelling; and
(d) The owner can demonstrate adequate knowledge and ability in the area of work for which applied.
(2) A contractor’s license shall not be required for sanitary sewers, storm sewers or water mains construction where such sewers are public sewers on public property, or, as in the case of subdivision development work, where such sanitary sewers, storm sewers or water mains are intended for future acceptance by the city as public facilities on public property. All such work is directly under the jurisdiction of the city.