Indoor Allergen Hazards (LL55)
NYC Admin. Code §§ 27-2017 to 27-2017.12 (Housing Maintenance Code, Art. 14); NYC Admin. Code § 17-199.6; Local Law 55 of 2018
Requires owners of multiple dwellings to keep dwelling units and common areas free of indoor allergen hazards (visible mold and infestations of mice, rats, and cockroaches), to investigate units at least annually and upon tenant complaint, and to remediate hazards and their underlying defects using integrated pest management and safe work practices. In buildings with 10 or more dwelling units, mold covering more than 10 square feet must be assessed and remediated by a New York State Department of Labor-licensed mold assessor and remediator. The Housing Maintenance Code provisions are enforced by HPD, while related asthma-allergen investigations under Admin. Code § 17-199.6 are handled by the NYC Department of Health and Mental Hygiene.
Who must comply
Other HPD regulations
FHA Design & Construction
Fair Housing Act, 42 U.S.C. § 3604(f)(3)(C); 24 C.F.R. § 100.205
LL86 Rent-Stab Notice
Local Law 86 of 2025
Security Deposit Rules
N.Y. Gen. Oblig. Law §§ 7-103, 7-108
HDFC Enabling Law (Article XI)
N.Y. Private Housing Finance Law Article XI (§§ 570 et seq.; § 577)
RPAPL Eviction Proceedings
N.Y. Real Prop. Acts. Law (RPAPL) §§ 711, 731, 733, 749, 768
Rent Increase / Non-Renewal Notice
N.Y. Real Prop. Law § 226-c
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