Jefferson Parish
Mold Removal in Marrero, Six Feet Up and 1,928 Repeat Losses
Send the street and what the room smells like, and we will tell you which of the three jobs this is, if it is any of them. Marrero's interior point reads 5.98 feet above sea level, one of the higher south shore readings we cover, and it still records 1,928 repeat-loss properties with 715 of them outside the mapped high risk zone, which is why height tells you very little here and drainage tells you most.
Request a quote in Marrero
Tell us what you can see or smell, roughly where in the house it is, and whether the house is raised or on a slab. Those three things narrow it more than the size of the patch does, because they point at how the water is arriving rather than where it ended up.
Would you rather talk it through? Call (315) 640-3590.
$100 off your first job
Credited by us on your first booked job.
- One credit per customer per property, on your first booked job.
- Valid through December 31, 2026.
Mention this offer when you book. Full terms.
Why Marrero's elevation reading does not match its flood record

Marrero records 1,928 National Flood Insurance Program multiple loss properties. 717 of them have four or more paid losses, and 715, 37 percent, sit outside the mapped high risk flood zone.
Source: Federal Emergency Management Agency, OpenFEMA dataset NFIP Multiple Loss Properties, data as of August 2, 2026, accessed 2026-09-22
Marrero's Census Bureau interior point stands 5.98 feet above sea level under the USGS national elevation dataset, one of the higher south shore readings in this service area.
Source: United States Geological Survey, The National Map, 3D Elevation Program Point Query Service, 1/3 arc-second elevation, accessed 2026-09-22
Across the West Bank a large share of repeat flooding happens outside the mapped high risk flood zone: 715 of Marrero's 1,928 multiple loss properties, 37 percent, 338 of Harvey's 794, 43 percent, 138 of River Ridge's 314, 44 percent, and 92 of Westwego's 209, 44 percent. In Terrytown the figure is 11 of 304, under 4 percent.
Source: Federal Emergency Management Agency, OpenFEMA dataset NFIP Multiple Loss Properties, data as of August 2, 2026, accessed 2026-09-22
Marrero has 13,920 housing units with a median year built of 1972 and 76.8 percent of them, 10,697 units, are single family detached, one of the highest detached shares on the West Bank. 69.2 percent of the stock predates 1980 and 285 units are mobile homes.
Source: United States Census Bureau, American Community Survey 2020-2024 five year estimates, accessed 2026-09-22
The USDA soil series named for Westwego, established in Jefferson Parish in 1981, describes soils on drained areas between the natural levees and marsh, where the landscape was semifluid clayey swamp and swamp-marsh transition prior to reclamation, at elevations generally two or three feet below sea level, now used mainly for urban land and pastureland.
Source: United States Department of Agriculture, Natural Resources Conservation Service, Official Series Description, accessed 2026-09-22
Five of the sixteen places in this service area are Census designated places with no municipal government of their own. The Census Bureau's 2024 gazetteer records Metairie, Harvey, Marrero, River Ridge and Terrytown as CDPs, along with Chalmette, Arabi, Belle Chasse and Laplace. New Orleans, Kenner, Gretna, Westwego, Slidell, Mandeville and Covington are incorporated cities.
Source: United States Census Bureau, 2024 Gazetteer Files, Places, Louisiana, accessed 2026-09-22
Unincorporated Jefferson Parish, National Flood Insurance Program community 225199, holds Community Rating System Class 3, which carries a 35 percent flood insurance premium discount in the special flood hazard area and 10 percent outside it. That is the deepest discount of any community in this service area. Metairie, Harvey, Marrero, River Ridge and Terrytown are unincorporated and fall under this community, not under any city of their own.
Source: Federal Emergency Management Agency, National Flood Insurance Program Community Status Book, accessed 2026-09-22
Out of the flood zone and wet anyway?
In Marrero that is ordinary rather than strange, and it usually means the water is arriving some other way. Tell us where it shows up first.
Marrero permits come from Jefferson Parish, not from a city hall
Marrero is a Census designated place, which means Jefferson Parish issues the permit, makes the substantial improvement call and carries the Community Rating System Class 3 rating that applies to your policy. The number worth sitting with here is the gap between height and history. Marrero's interior point reads 5.98 feet above sea level, one of the higher south shore readings in this service area, and the town still records 1,928 repeat-loss properties, 717 of them paid four or more times and 715 of them outside the mapped high risk flood zone. Elevation is not doing the work people expect of it on this part of the West Bank, and the reason is drainage rather than altitude: the ground between the natural levee and the marsh was reclaimed from semifluid clayey swamp and is kept usable by machinery. For a mold job that has one practical consequence. Do not let a flood zone letter persuade anyone that water cannot be the cause, and do not let a flood history persuade anyone that it must be. Both have to be checked against the building, and 76.8 percent of Marrero homes are single family detached, so in most cases that building is yours alone to open up.

What we arrange for Marrero addresses
Mold Assessment and Moisture Survey
Find out where the water is arriving, whether the wall is leaking or condensing, and whether there is a mold job here at all, in writing, from a company that is not the one selling you the removal.
Mold Assessment in Marrero →Mold Removal and Remediation
Get the affected material out under containment, take the cause out with it, and have the work priced against a written scope that the removal firm did not write.
Mold Removal in Marrero →Water Damage Drying and Flood Cleanup
Water out and the structure dried to a measured reading inside the 24 to 48 hour window that decides whether the material stays or comes out.
Water Damage Drying in Marrero →Send the Marrero address and what you are looking at
A person reads it and writes back with questions. Nothing you send here commits you to work of any kind.
