What is the redemptive period for the property I bought in a tax title sale?

The redemptive period is three (3) years after the date of recordation of the tax sale. However, in the City of New Orleans, when such property sold is residential or commercial property which is abandoned property as defined by La. R.S. 33:4720.12(1) or blighted property as defined by Act 155 of the 1984 Regular Session, it shall be redeemable for eighteen (18) months after the date of recordation of the tax sale.