Nothing herein contained shall prohibit any property owner from personally performing any building or construction work within and upon his or her own residence and intended for his or her personal use and permanent occupancy; provided, the owner shall satisfy the Building Inspector as to his or her ability to perform such work, secure a permit, pay required fees, do work in accordance with this article, and apply for an inspection and receive a certificate of approval. Personal building or construction performed by an owner under this section shall be by himself, herself, for himself or herself on his or her own residence, without compensation and no person shall be employed to assist him or her in any way on such work except a builder or building contractor licensed by the city.