How is property assessed?

LAND – 10% of “Fair Market Value” RESIDENTIAL IMPROVEMENTS – 10% of “fair market value” COMMERCIAL PROPERTY – (Including personal property) – 15% of “Fair Market Value” (NOTE: Commercial land is assessed at 10% of “Fair Market Value”.) The St. Tammany Parish Assessor’s Office must appraise and assess approximately 102,000 parcels of property. All public service properties are assessed by the Louisiana Tax Commission. Back to Top