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Terrytown, LA

Mold Assessment in Terrytown for Slab Houses of Three Decades

A written survey that finds where the water is coming from in a Terrytown slab house and gives owner and tenant the same set of facts.

75.2FMean July dew point in the NOAA thirty year normals for the New Orleans airport, at or above the temperature a cooled house holds its walls at
$7,500The job size where Louisiana starts licensing mold work, and below it the written report and separation rules reach nobody
10 square feetThe EPA's line for a patch most people can clean up themselves, roughly three feet by three feet
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Mold Assessment quote in Terrytown

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.

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$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.
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Six quick questions, then your details. It takes under a minute, and the answers are what a local assessor would ask first.

Question 1What are you dealing with?
Question 2Is the house raised, or on a slab?

This is the question that splits the job in this metro, and the two answers have almost nothing in common. A raised house has a vented space underneath that pulls in outside air, so the problem is usually the floor system. A slab house has its plumbing cast into the concrete, so the problem is usually a leak you cannot see reaching the bottom of the wall. Answer with whatever you know.

Question 3Where do you think the water is coming from?

Worth knowing before you answer: in this climate a wall can get wet with no leak at all. The mean dew point at the airport is 75.2F in July, which is at or above the temperature air conditioning holds a wall at, so the room's own cooled surfaces can pull water straight out of the air. If none of the leak answers fit, that is genuinely useful information and not a wasted question.

Question 4Is anything still wet?

EPA guidance gives wet material roughly 24 to 48 hours before growth starts, which is why the date matters more than anything else here. One local caution: opening the windows to dry a room out does not work here in summer, because the outside air is carrying more water than the room is.

Question 5What is your position at the property?

It changes who we talk to and what has to be put in writing. Worth knowing if you rent: a landlord's own maintenance staff are exempt from the mold remediation license under Louisiana law, so work handled in house was not done by anyone the state was holding to it.

Question 6How soon do you want someone out?
Who you are, and which building

Who should we ask for?

How can we reach you?

We call to confirm the details before anyone is sent out.

Where is the property?

The contractor match is by property, not by person, so the street line matters.

Anything else we should know?

Your $100 credit is attached to this request. Mention this offer when you book. See terms.

Your details are used only to respond to this request and arrange the service.

Local Detail

Terrytown's three building decades and its flood map

Single-story brick ranch on sandy ground among tall slash pines under overcast sky

Terrytown has 9,723 housing units with a median year built of 1976, built out almost entirely in three decades: 2,478 units from the 1960s, 2,744 from the 1970s and 2,173 from the 1980s. Only 141 units, 1.5 percent, predate 1940 and 50.8 percent of occupied homes are rented.

Source: United States Census Bureau, American Community Survey 2020-2024 five year estimates, accessed 2026-09-22

Terrytown records 304 National Flood Insurance Program multiple loss properties, of which 138 have four or more paid losses. Only 11 of the 304, under 4 percent, sit outside the mapped high risk flood zone, the lowest share of any place in this service area.

Source: Federal Emergency Management Agency, OpenFEMA dataset NFIP Multiple Loss Properties, data as of August 2, 2026, accessed 2026-09-22

This metro carries both foundation types on the same streets. Raised pier and beam construction with an open or vented space underneath dominates the pre-war stock and much of what has been rebuilt since, because federal rule 44 CFR 60.3(c)(2) requires the lowest floor to sit at or above the base flood level. Slab on grade dominates the post-war suburbs, where the American Community Survey puts the median year built at 1972 in Metairie, 1976 in Terrytown and 1978 in Kenner and Chalmette.

Source: Office of the Federal Register, Electronic Code of Federal Regulations, Title 44 Section 60.3, accessed 2026-09-22

Renter share of occupied homes across this service area ranges from 20.2 percent in Belle Chasse and 22.5 percent in Laplace to 48.8 percent in New Orleans, 50.8 percent in Terrytown and 51.2 percent in Gretna.

Source: United States Census Bureau, American Community Survey 2020-2024 five year estimates, accessed 2026-09-22

Local Context

Reading a Terrytown slab house in the right order

Terrytown was built fast and built alike: 2,478 homes in the 1960s, 2,744 in the 1970s and 2,173 in the 1980s, on the slab construction that dominates this metro's post-war suburbs. That makes the likely failure points predictable, the bottom plate, the plumbing under the floor and the cooled exterior wall, and a survey can check them in a set order rather than guessing. Half of Terrytown's occupied homes are rented, 50.8 percent, so the finding often has two readers. Dated readings and photographs give owner and tenant one account to work from.

Macro beads of condensation on a dark textured painted surface
We will tell you when the wall needs nobodyUnder about 10 square feet, the EPA says most people can clean it up themselves. If that is what you have, that is what you will be told.
Whoever assesses is not whoever removesLouisiana bars one company from doing both on the same property above $7,500. We keep them apart below it too, where the statute reaches nobody.
Check the license yourselfThe state licensing board runs a public Contractor Search by name, license number, city and parish. Look up whoever you are considering before money moves.
Deciding

Zone, decade and tenancy before a Terrytown survey

Look up whether the address is in the mapped high risk zone before booking, because in Terrytown the answer is unusually informative. Only 11 of the town's 304 repeat-loss properties sit outside it. If yours is outside and the wall is damp, flooding is an unlikely explanation and the survey should concentrate on the building itself: plumbing, condensation and the joint at the slab edge. If yours is inside, the flood history is part of what the report records. Either way, agree access and copies between owner and tenant first.

  1. In the mapped zone or out

    Out of the zone in Terrytown points hard at the building. In it, the report should also record the flood history.

  2. Which decade the house is from

    The build year tells the surveyor which assembly to expect behind the drywall, and so where to read first.

  3. Who gets the report

    With half the homes rented, settle who commissions it and who receives a copy before anyone opens a wall.

How mold assessment works →

Next Step

Owner, tenant, or both reading the report?

Tell us who needs the finding. In Terrytown it is often two people, and the report is written for both.

Questions

Terrytown survey questions from owners and renters

My landlord and I disagree about where the damp is coming from. Can a survey settle it?

It can put readings and photographs behind one answer, which is usually what settles it. The survey measures the wall's surface temperature against the dew point, reads the bottom plate and floor edge, and opens small inspection squares where the meter points. Neither side has to take anyone's word; the report shows its working.

Why would a Terrytown house outside the flood zone have wet walls?

Because in Terrytown flooding off the map is rare: 11 of 304 repeat-loss properties, under 4 percent. That leaves the building: a line under the slab, a failed joint, or summer condensation on a cooled exterior wall. All three are findable, and each has a specific repair.

Next Step

Send the Terrytown room and the build year

Roughly when the house was built and where the damp shows. A person reads it and says whether a survey is worth booking.

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