La. Civ. Code art. 496
Current with operative changes from the 2024 Third Special Legislative Session
When constructions, plantings, or works are made by a possessor in good faith, the owner of the immovable may not demand their demolition and removal. He is bound to keep them and at his option to pay to the possessor either the cost of the materials and of the workmanship, or their current value, or the enhanced value of the immovable.
La. C.C. § 496