My apartment in NY city has rats. Are rats the landlord's responsibility?
Real Estate Attorney
A more practical question might be "how can I get rid of the rats?"
Report the condition to the New York City Department of Health and Mental Hygiene either by calling 311 or using the link below.
After they investigate, they will give you more information.
Elder Law Attorney
Landlords generally have a duty to provide safe and habitable residential housing. Depending on the severity of the rat problem, it's possible that you have been "constructively evicted" and need not pay rent to the landlord, but escrow it, pending extermination of the rodents.