About Inwood Mold & Remediation

Who We Are and Why It Matters That We’re Specific

Inwood Mold & Remediation is a licensed mold remediation operation focused on Inwood and the immediately surrounding Upper Manhattan neighborhoods – Washington Heights, Marble Hill, Dyckman, and Fort Tryon. Not all five boroughs. Not a franchise map covering everything from Staten Island to Nassau County. We remediate. Assessment and clearance are done by an independent licensed assessor we coordinate for you. This specific patch of northern Manhattan, ZIP 10034.

That focus isn’t a marketing choice – it’s a practical one. The mold work in this neighborhood has a specific character driven by a specific building stock and a specific environmental history. Pre-war six-story brick walk-ups from the 1920s. Cast-iron waste stacks and copper supply risers that were already aging when the current tenants moved in. Basements that took on surge water when Sandy came up the Hudson in October 2012 and in many cases never got properly dried. Hilly topography that pushes water toward the lower-grade buildings. Coastal humidity from being on two rivers.

When I say “Sandy-legacy moisture,” I’m not quoting a statistic – I’m describing actual jobs where we open a wall in a building on Post Ave or Vermilyea Ave and find masonry that hasn’t been at a normal moisture reading since 2012. When I say “condensation on uninsulated risers,” I’m describing the specific failure mode in the specific building type that exists here. That’s what working one neighborhood does: it turns general knowledge into specific pattern recognition.

Our Licenses and What They Mean

New York State Article 32 created three specific license categories for mold work: Mold Assessor, Mold Remediation Contractor, and Mold Abatement Worker. We hold the licenses required for the work we do, and we comply with the requirement that assessment and remediation be done by separate, independent parties.

Want to see the work first? Our real jobs page shows documented Inwood jobs with photos, scope, typical cost and independent clearance.

This is worth explaining because it’s commonly misunderstood. Under Article 32 – enacted in 2016 specifically in response to post-Sandy remediation fraud – the company that diagnoses the mold problem and writes the remediation scope cannot also be the company that profits from doing the remediation. The assessor and the remediator must be separately licensed, independent businesses. We handle the remediation side. The assessment and post-remediation clearance testing are done by independently licensed assessors who have no financial stake in our remediation scope.

You can verify any New York State mold license – assessor, remediation contractor, or abatement worker – for free at the NYS Department of Labor website, dol.ny.gov. We encourage you to do that. If a company can’t give you their license number or tells you to just trust them, that’s the answer you need.

How We Actually Work – and What We Won’t Do

Every job starts the same way: we walk the space with a moisture meter and an infrared camera before anyone talks about scope or cost. The moisture map tells us where the problem actually is, not just where it’s visible. In pre-war Inwood buildings, those two things are often different. Visible mold on a surface is almost always smaller than the actual affected area when the meter shows what’s inside the wall.

We follow the Article 32 process correctly – written scope from an independent assessor before we start, remediation executed to that scope, independent clearance testing after we finish. You get documentation at every stage. The clearance report is not something we produce ourselves; it comes from a separately licensed assessor and goes to an AIHA-accredited lab. That document is yours.

What we won’t do: quote you a price over the phone based on photos. Tell you it’s definitely Stachybotrys before it’s been tested. Recommend a $20,000 gut renovation for a job that the moisture meter says is a $4,000 contained remediation. Pretend we serve neighborhoods we don’t actually work in. If you’re in Nassau County, you want the other Inwood – and we’ll tell you that directly instead of taking the job.

The Neighborhoods We Know

Within the 10034 ZIP and the immediately adjacent area, here’s where we regularly work and what the mold patterns look like building by building:

Seaman Ave corridor and Inwood Hill Park area. The pre-war walk-ups along Seaman Ave include some of the oldest residential construction in the neighborhood. Many buildings here have original cast-iron plumbing that has well exceeded its design life. Condensation-driven mold on exterior-facing walls is common in winter. Basement situations often involve groundwater pressure from the elevated terrain adjacent to the park.

Dyckman Street corridor and east of Broadway. A higher concentration of rent-stabilized stock, longer average tenancies, and buildings where deferred maintenance has accumulated over decades. The Dyckman Houses NYCHA development has its own pathway for residents – HP Action in Housing Court rather than standard 311, because HPD doesn’t directly inspect NYCHA units. We often work alongside tenants navigating that process and can explain the difference clearly.

Post Ave, Vermilyea Ave, and the Hudson waterfront blocks. The buildings in this corridor sit at lower elevation relative to the Hudson River and were directly affected by Sandy surge in 2012. We still find elevated moisture and chronic mold in lower-level walls of buildings here that were never professionally dried after that event. Hurricane Ida in 2021 added another wave. If you’re in this area and have a persistent mold or moisture problem that keeps coming back despite repeated treatment, this is likely why.

Washington Heights (north) and Marble Hill. Similar pre-war housing stock, same regulatory framework, same moisture patterns. We work these neighborhoods regularly as the blocks immediately adjacent to Inwood proper.

A Note on Bilingual Service

Hablamos Espanol. For the Dyckman and Broadway corridor – where a significant portion of the community speaks Spanish as a primary language – this isn’t a badge or a marketing line. It means the assessment conversation, the scope explanation, the process walkthrough, and the post-job documentation can all happen in Spanish if that’s what works better. You shouldn’t have to navigate a complicated regulatory process in a second language.

Why We Tell People When They Don’t Need Us

This one matters enough to explain directly. If you call about a small patch of dark mold on a window sill and it turns out to be surface Cladosporium on a painted surface with no moisture reading behind it, I’m going to tell you that you can clean it yourself and what to watch for. Not because I’m leaving money on the table – because that’s the accurate answer, and giving you an accurate answer is the only reason you’d refer someone else here or call again when the real problem shows up.

The mold industry has a reputation problem because too many operators use fear to sell remediation work that isn’t warranted. We built this business on the opposite approach: tell people exactly what we find, quote only what the assessor’s scope requires, and document everything so the client has proof of what was done. Every referral we’ve received has come from someone who trusted the honest answer.