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Childhood Lead Poisoning in New York City
How lead reaches children in older New York City housing, what a blood lead result means, and what landlords must do under Local Law 1.
What lead does to children
Most children with lead in their blood have no obvious symptoms. Many parents first learn of an elevated level from New York’s required lead tests at ages one and two. Lead can affect the developing brain and nervous system; even amounts that once looked “low” on an older lab slip can matter for learning, behavior, and long-term development. The CDC says no safe blood lead level in children has been identified. Some effects of lead exposure can be permanent. For children at or above the reference value, the CDC recommends developmental and nutritional assessment and follow-up testing.
Since October 2021, the CDC has used a blood lead reference value of 3.5 µg/dL to identify children whose levels are higher than most U.S. children’s. It is not a safe level, and it does not by itself decide whether a family has a legal claim. New York City’s Health Code uses the same 3.5 µg/dL level for mandatory reporting and for Health Department investigations. Pathways, symptoms, and what the lab slip means are covered on children and lead and blood lead levels. Exposure before birth is addressed separately on prenatal exposure.
If a capillary (finger-stick) screen is elevated, the CDC recommends a follow-up venous blood test. Keep every report, capillary and venous, with the child’s name, date, and laboratory.
Families who need counsel after an elevated blood lead result can call The Frankel Law Firm or speak with a lead poisoning lawyer about a potential childhood lead claim.
Paint and dust in housing
The usual source is lead dust from paint that peels or chips and from painted windows and doors that rub as they open and close; the dust settles on floors and window sills where young children crawl and play. New York City banned lead-based paint long before the federal government did in 1978, which is why City rules focus on buildings built before 1960. Lead can also come from some imported foods, cosmetics, and traditional remedies, glazed pottery, older plumbing, and dust carried home from certain jobs; children and lead covers these sources. The Health Department still identifies paint hazards as the most common source for NYC children.
A landlord’s verbal assurance that an apartment is lead safe doesn’t replace the written lease notice and turnover certification City law requires. Repairs that disturb old paint can create hazardous dust quickly.
How testing fits that picture is on testing and XRF. What renters are entitled to know before and during a tenancy is on lead disclosure rights. Work at turnover, and related duties in occupied units, is addressed on turnover provisions.
Local Law 1 and landlord duties
Local Law 1 of 2004 is New York City’s main lead-paint law for rental housing. It covers apartments in buildings with three or more units and, since 2021, rented units in one- and two-family houses. In buildings built before 1960, owners must presume paint is lead-based unless testing shows otherwise; the same presumption applies to buildings built from 1960 through 1977 when the owner knows lead paint is present. Owners must give annual notices, determine whether a child under six routinely spends ten or more hours a week in the unit, inspect the apartment and common areas at least once a year for peeling paint and for worn paint on windows, doors, and sills, and remediate with certified workers. Occupants must tell the owner when a young child lives in the unit and give access for inspections. HPD requires owners to keep inspection and repair records for at least ten years.
The City Council has amended the law several times since 2004, adding paint-testing and record-keeping requirements among other changes. The Local Law 1 guide covers the current rules and cites each amendment, and landlord liability explains how notice questions arise in a case.
The Frankel Law Firm was counsel for the plaintiffs in Juarez v. Wavecrest Management Team Ltd., 88 N.Y.2d 628 (1996), a Court of Appeals decision under the City’s earlier lead-paint law, Local Law 1 of 1982, that set lasting rules for landlord liability; see landmark cases.
NYCHA and public housing
NYCHA is bound by Local Law 1 and by federal lead rules, including annual inspections of apartments that may contain lead paint. What changes in public housing is the claim process: a claim against NYCHA generally requires a Notice of Claim, which must be served far sooner than a lawsuit against a private landlord must be filed. If a child in NYCHA housing has an elevated blood lead level, report the conditions to NYCHA, keep every ticket number and written response, and read the time limits guide.
Practical notes for public-housing families are on NYCHA and public housing.
Schools and daycare
Day-care centers, pre-K programs, and schools have their own lead-safety duties under City and State rules. When the Department of Education or another public agency runs the program, a claim generally requires a Notice of Claim, a step claims against private landlords don’t have. Keep enrollment records and any written notice from the school or center about paint, repairs, or testing. The Board of Health amended the Health Code in 2021 to make explicit that an investigation for a child with an elevated level includes any place the child regularly spends significant time, such as a day-care center or classroom.
The schools and daycare guide explains who may be responsible and what records to gather.
Time limits and Notice of Claim
New York’s statutes of limitations, and the much shorter Notice of Claim periods for the City, NYCHA, and other public defendants, can end a claim before a family knows the full medical picture. Rules that pause the clock for children extend some deadlines but not all of them, and a parent’s own claims can run on a separate clock. Which rules apply depends on who owns or controls the property and on the child’s age.
The time limits guide lists the questions to raise with counsel about your family’s deadlines.
What to do after an elevated test
Call the child’s doctor first, and keep every lab report. Before anyone repaints, take dated photos of peeling paint, dust, sills, and door frames; then clean floors and sills with a wet mop or cloth and wash children’s hands and toys frequently. Don’t scrape or sand old paint.
If paint is peeling or repairs are making dust, call 311 and ask for a lead-paint inspection; immigration status does not block a housing complaint. Keep the complaint number for your records. The what to do now checklist walks through the first weeks in order, and the hotline directory lists City and program numbers.
Where we work
The Frankel Law Firm has offices in Manhattan and the Bronx and represents families in all five boroughs. To discuss a specific case, see lead poisoning lawyer; Bronx families can also start with Bronx lead poisoning lawyer.
Lead poisoning guides
Each guide below answers one question in depth.
Health
Housing law
Public settings and deadlines
Next steps
Talk with the firm
If your child has an elevated blood lead level or you live with peeling paint in older New York City housing, call The Frankel Law Firm. There is no fee to evaluate a potential childhood lead-poisoning case. Details on representation are on the lead poisoning lawyer page.
Attorney advertising. Prior results do not guarantee a similar outcome. The information on this page is general information about New York lead-paint housing law and childhood lead exposure. It is not legal advice and does not create an attorney-client relationship. Deadlines, including Notices of Claim under General Municipal Law § 50-e, are fact-specific. If your child has an elevated blood lead level, seek medical care and speak with counsel.