Average mold removal cost in New Orleans is about $1,732 while national average is around 2,147. This means that people in New Orleans pay $415 less than the national average. Cost of mold removal in New Orleans LA can vary with job type and the area affected by mold infestation. Basic mold removal cost in New Orleans for a 100 Sq feet area can cost around $229 while the basic cost for mold removal for 400 Sq feet area moves up to $874.