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Caldwell, NJ

Mold Inspection in Caldwell Borough, Where the Cause Is Findable

Plenty of Caldwell borough basements turn out to have a cause small enough that no removal crew is needed. A survey is what tells you which kind you have, and what the fix would cost.

1938Median year a Montclair home was built, 42 years older than the national median
18 to 36 inchesDepth the water table perches in this soil, November to May, which is basement wall height
24 to 48 hoursThe EPA window for drying wet material, after which the job stops being a drying job
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Mold Inspection quote in Caldwell

Tell us what you can see or smell, roughly where in the house it is, and which side of the building that wall is on. Direction usually tells us more than the size of the patch does, because it points at where the water arrived rather than where it ended up.

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Five quick questions, then your details. About half a minute.

Question 1What are you dealing with?
Question 2Where in the house is it?

The three places that go wrong are not the same problem. A basement is usually taking water that arrived from outside. An attic is usually taking moisture the house made itself and could not vent. A bathroom or closet is usually neither. Much of the housing around here went up before 1939, which decides what is behind the surface in all three cases.

Question 3Which way does that wall face, and is the ground outside it higher?

Direction narrows a survey faster than the size of the patch does. Where the ground rises on one side of a building, water moves sideways through shallow soil and reaches the foundation on that side, so the wall the damp shows on is often downstream of the wall it came through. Where the lot is level, the answer still helps, because then we are looking at the drains, the grade and the downspouts instead. Either answer is useful and not knowing is a normal answer.

Question 4Is anything still wet?

The EPA puts mold growth on wet material inside roughly 24 to 48 hours, so this answer sets the pace of everything that follows.

Question 5What made you look into it today?

Montclair property changes hands constantly and a lot of these start with a contract date rather than a smell. What is driving the timing changes what the report has to do.

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

Zero repeat flooded properties in Caldwell borough

Wet leafy Montclair street with stone retaining wall and colonial clapboard porch homes

Caldwell borough has no repetitive loss properties and no severe repetitive loss properties. The 2025 Essex County plan credits it with 5 active flood insurance policies covering about $1.9 million, 12 claims and about $429,000 in payments across the whole record, the smallest flood insurance footprint of any municipality in this service area.

Source: Essex County Office of Emergency Management, 2025 Hazard Mitigation Plan Update, Volume II, municipal annexes, accessed 2026-09-21

Federal flood insurance records show four paid claims in Caldwell borough in the entire history of the program, totaling about $101,589, and all four were on properties rated in zone X, outside the Special Flood Hazard Area. One of the four came from the remnants of Hurricane Ida.

Source: Federal Emergency Management Agency, OpenFEMA FIMA NFIP Redacted Claims v2, accessed 2026-09-21

Caldwell borough is the smallest municipality in this service area at 3,926 housing units, and the only one where renters are the majority: 58.1 percent of occupied homes are rented. Only 28.3 percent of the stock is single family detached, the lowest share here, and the median year built is 1959.

Source: United States Census Bureau, American Community Survey 2020-2024 five year estimates, accessed 2026-09-21

Whether a town can tell you if an address has flooded varies sharply here. In the 2025 county plan, Bloomfield, Glen Ridge and Verona report that they maintain a list of properties damaged by flooding. Montclair, Belleville, Cedar Grove, Livingston, Millburn and Nutley report that they do not. West Orange answers in the near future, and Caldwell answers that it has no formal process but that the information is part of the borough's incident reports.

Source: Essex County Office of Emergency Management, 2025 Hazard Mitigation Plan Update, Volume II, municipal annexes, accessed 2026-09-21

Senate Bill 760 of the 222nd Legislature, the Mold Safe Housing Act, was pre-filed for introduction in the 2026 session. It would require a landlord notified in writing by a tenant of a believed substantial mold hazard to investigate the condition within 72 hours, to clean and remove any visible mold from surfaces, and to fix in an expedited manner any leaking pipes, roofing or walls contributing to the wet condition. A tenant whose landlord does not comply could ask the Commissioner of Community Affairs for referral to a relocation program. The bill has not been enacted.

Source: New Jersey Legislature, Senate Bill 760, 222nd Legislature, accessed 2026-09-21

Local Context

What a Caldwell borough survey usually ends up finding

Caldwell borough has the smallest flood footprint in this service area: no repetitive loss properties at all, and four paid flood insurance claims in the entire history of the federal program totaling about 101,589 dollars, every one of them on a property rated zone X outside the Special Flood Hazard Area. A wet Caldwell basement is therefore nearly always something on the property itself or in the culvert beside it, which is a findable cause and usually a cheap one, and a survey is what turns it from a worry into a task with a price.

Stone foundation with white efflorescence beside hostas and damp mulch under clapboard siding
We say when there is nothing worth selling youA summer basement smell is often condensation on a cold wall. A meter and a dehumidifier settle that, and we will say so.
Whoever surveys is not whoever removesNew Jersey does not require that split, so it is arranged rather than assumed, and the removal is priced against a scope it did not write.
Prewar houses are handled as prewar housesClose to six in ten Montclair homes predate 1940. Trim comes off, gets labeled and goes back, and that is in the scope before work starts.
Deciding

Tenant, landlord, and the borough's incident reports

Most damp complaints here start with a tenant, because this is the only municipality in the area where renters are the majority at 58.1 percent of occupied homes. The useful first move is written notice to the landlord with the findings attached rather than a quote for work nobody has authorized. It is also worth asking the borough for its incident reports before you commission anything at all, because Caldwell has no formal flood history process although it says the information sits inside those reports.

  1. Whether there is a building fault here at all

    Caldwell has no repetitive loss properties and 5 active flood insurance policies covering about 1.9 million dollars, the smallest footprint in this service area.

  2. Who has to receive the findings

    58.1 percent of Caldwell's occupied homes are rented, the only renter majority here, and only 28.3 percent of the stock is single family detached.

  3. What the borough can give you for nothing

    Caldwell reports no formal flood history process but says the information is part of the borough's incident reports. Ask for those before you pay a fee.

How mold inspection works →

Next Step

You may not need a contractor in Caldwell

Send a photograph and the street. If the answer is a gutter, we will tell you it is a gutter.

Questions

Caldwell borough survey questions

Does Caldwell borough flood at all?

Barely, on the federal record. There are four paid flood insurance claims in the entire history of the program here, totaling about 101,589 dollars, and all four were on properties rated zone X outside the Special Flood Hazard Area. The borough also has no repetitive loss and no severe repetitive loss properties. That is why a survey here usually ends up naming a downspout, a grade or a culvert.

I rent in Caldwell. What do I do with the report?

Serve it with written notice to the landlord. Caldwell is the only municipality in this area where renters are the majority, at 58.1 percent of occupied homes, so this is the ordinary situation here. What a notice rests on today is the implied warranty of habitability and the borough's property maintenance office, because the 72 hour landlord duty people cite comes from a bill that has not been enacted.

Next Step

Ask before you buy a survey

We will say whether a Caldwell survey is worth buying and who the findings should be addressed to.

Start Your QuoteCall (315) 640-3590
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