A certified copy of the ordinance levying the local or special assessments as hereinbefore provided shall be filed with the clerk of court of Jefferson parish, who shall forthwith record the same in the mortgage records of said parish. Such ordinance, when so filed and recorded, shall operate as a lien and privilege against all real estate therein assessed, which lien and privilege shall prime all other claims and liens except taxes or prior recorded special assessment liens.
La. R.S. § 33:3690.9