Mold Violations in Throgs Neck: The Small Building Exception
Most of this peninsula sits outside the city mold regime, which cuts both ways for an owner.
Violation Response quote in Throgs Neck
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What the Throgs Neck housing mix means for an owner's duties

In ZIP code 10465, 73.2 percent of housing units are in one or two unit buildings and only 12.9 percent are in buildings of ten or more apartments, with 43.4 percent of occupied units rented and a median year of construction of 1958.
Source: US Census Bureau, American Community Survey 2020-2024 5-year, accessed 2026-09-16
The city health department states that owners of buildings with three or more apartments, and owners of buildings of any size where a tenant has been diagnosed with moderate or severe persistent asthma, are required to keep tenants' homes clear of mold, including safely repairing underlying problems such as water leaks.
Source: New York City Department of Health and Mental Hygiene, accessed 2026-09-16
New York Real Property Law section 235-b warrants that residential premises are fit for human habitation and that occupants will not be subjected to conditions dangerous, hazardous or detrimental to their life, health or safety, and it covers the leased space and the shared common areas.
Source: New York State Senate, accessed 2026-09-16
Where the city mold rules stop in Throgs Neck, and where they do not
Throgs Neck is the part of the Bronx where the city's mold machinery mostly does not reach an owner. At 73.2 percent of homes in one and two unit buildings, most addresses carry no annual inspection duty, no DEP filing and no HPD correction date, so nothing gets scheduled unless the owner schedules it. The exception is narrow and it is the one that catches people: in a building of any size where a tenant has been diagnosed with moderate or severe persistent asthma, the health department puts that owner under the duty to keep the home clear of mold and repair the water behind it.

What a Throgs Neck landlord should check before assuming they are exempt
Three checks settle it. Count the apartments, since three is where the annual inspection, complaint response and lease notice duties begin. Ask whether any tenant has a moderate or severe persistent asthma diagnosis on record, because that removes the size exemption entirely. And read the lease and the state warranty of habitability, which apply here whatever the apartment count and which are the footing a tenant actually stands on in a two family house. Being outside the city regime is not the same as being outside every obligation, and the second one is quieter but not weaker.
Two units means no HPD mold clock
No class, no correction date and no reinspection. The trade off is that no agency will chase the repair for anyone either.
An asthma diagnosis changes the answer
The duty then reads on a two family house exactly as it reads on a large apartment building, including repairing the underlying water problem.
Habitability still applies
State law warrants premises fit for human habitation, covering the leased space and the shared parts, whatever size the building is.
Renting out a Throgs Neck house with damp?
Send the unit count and what the tenant reported and we will set out the duties.
The work a Throgs Neck owner usually needs next
What Throgs Neck landlords ask about their obligations
My tenant called 311. What happens on a two family house?
A complaint can still be recorded and the property can still be inspected, but the indoor allergen hazard duties that start at three apartments do not read on you, unless a tenant has the asthma diagnosis that removes the size limit. The habitability standard applies regardless.
If nobody is enforcing it, why fix it properly?
Because the water is not enforcing anything either and it keeps coming back. On a peninsula with this claim history, a repainted wall is a decision to redo the work in a year, and paint applied over a moldy surface is likely to peel and announce it.
Tell us who lives in the building
Owner occupied, two family or rented changes what you are obliged to do.