La. Civ. Code art. 3493 : Civil Code — OF THE DIFFERENT MODES OF ACQUIRING THE OWNERSHIP OF THINGS — PRESCRIPTION — LIBERATIVE PRESCRIPTION — ONE YEAR PRESCRIPTION — Damage to immovable property; commencement and accrual of prescription
When damage is caused to immovable property, the one year prescription commences to run from the day the owner of the immovable acquired, or should have acquired, knowledge of the damage.