Our Mold Remediation Process in Inwood, NY: 8 Steps From First Call to Clearance

A quick call to understand the problem

Day you call · about 5 minutes · any hour

Every job starts on the phone. You tell us what you’re seeing, and we ask the questions that decide what happens next:

• Where is it, and how big does it look: a hand-sized spot or a whole wall?
• Did water come in recently: a high tide, a storm, a pipe, an appliance or a sewer backup?
• Is there a musty smell with nothing visible?
• Does anyone in the home have asthma, a newborn, a pregnancy or a weakened immune system?
• Do you own the home or rent it?

If you can, text us a photo. Before we hang up you’ll know whether it sounds like a small spot you can clean yourself or something that needs a professional. If water is actively coming in, we walk you through the first steps right then.

A same-day visit to find the moisture source

Same day when available

Mold is the symptom. Water is the cause. On the visit we look at the affected area, trace where the water is coming from, and take moisture readings in walls, floors and framing, including spots that look dry but aren’t.

Where the water usually comes from in Inwood

An independent assessment and a written plan

Before any work starts

For mold covering more than 10 square feet, New York Labor Law Article 32 requires a licensed mold assessor to inspect the property and write a Mold Remediation Plan, and that assessor can’t be the company that does the removal. We coordinate with an independent assessor so the plan isn’t written by someone selling the work. Here’s how New York’s mold law works.

What the plan spells out

• The rooms and areas to be worked on, and roughly how much material is involved
• The cleaning and removal methods, and the protective equipment required
• The type of containment
• The clearance criteria the job has to meet
• The moisture source and what kind of contractor is needed to fix it

Containment so spores stay in the work area

First thing on the work day

Before anything is cut or scrubbed, the work area is sealed off with plastic sheeting and put under negative air pressure using HEPA air scrubbers. Air flows into the work zone, not out into your hallways, bedrooms or ductwork.

• Doorways and openings sealed with plastic
• Heating and cooling to the area shut off and vents covered
• Crew in protective suits, gloves and respirators
• Walkways protected so debris isn’t tracked through the house

Removal and cleaning, not spray and paint

Inside the containment

Moldy porous materials such as drywall, insulation, ceiling tiles and carpet pad usually can’t be fully cleaned, so they’re cut out past the visible damage, bagged inside the containment and removed. Framing and other solid surfaces are scrubbed, HEPA-vacuumed and wiped down.

Why spraying alone isn’t enough

The EPA notes that dead mold can still cause allergic reactions, which is why the goal is removal, not just killing it. A product sprayed over drywall or wood doesn’t take the growth out, and it doesn’t stop the water that caused it.

When floodwater is involved

Water from outside flooding or a sewer backup is treated as grossly contaminated (Category 3 under IICRC water damage standards). Soaked drywall, insulation and carpet are removed rather than dried in place.

Drying to normal moisture levels

Until readings say it’s dry

Dehumidifiers and air movers run until framing and remaining materials measure dry. Nothing gets closed up early. A wall that’s rebuilt over wet studs is the most common reason mold shows up again a few months later.

Near low-lying streets we check the tide table so drying equipment isn’t set up right before the next flood tide.

Independent clearance testing

After cleaning and drying

The independent assessor comes back to confirm the remediation met the plan. That can include a visual inspection, moisture readings and sampling, depending on what the assessor decides the job needs. You get the written results for your records, your insurance company or a future buyer.

A plan to keep the water out

Before close-out

The ANSI/IICRC S520 mold remediation standard (updated in 2024) is clear that the underlying moisture problem has to be fixed. Before we close out, we go over exactly what caused it and what will stop it from happening again:

• Grading, gutters and downspouts that send water toward the foundation
• Sump pumps, check valves and floor drains
• Vapor barriers in crawl spaces
• Bath fans ducted outside, not into the attic
• Dehumidification for basements that sit above 60% humidity

You also get a documentation packet with photos, moisture readings and clearance paperwork, which matters if you file a claim. Here’s when homeowners insurance covers mold in New York.