Should any nuisance or public nuisance not be abated at the expiration of time stated in the notice/order, or within such additional time as the building inspector may grant, the building inspector shall have the authority to enter upon the property and abate the public nuisance found thereon. In abating such nuisance, the building inspector may go to whatever extent may be necessary to complete the abatement of the nuisance or public nuisance. In abating a nuisance or public nuisance, the building inspector may call upon any of the county departments or agencies for whatever assistance shall be deemed necessary or may by private contract cause the abatement of the nuisance or public nuisance. The building inspector shall prepare an itemized statement of all expenses incurred in the removal and destruction of same and shall mail a copy thereof to the owner demanding payment within twenty (20) days of the date of mailing. Such notice shall be deemed delivered when mailed by registered mail and addressed to the last known address of the property owner. (2004 Code)