NYC Rat Data & Maps
Where to find official data.
Resources
NYC Rat Mitigation Zones
Areas with high rat activity where City agencies focus resources.
Short answerA Rat Mitigation Zone is an area with high rat activity where City agencies focus resources on rats and the conditions that support them. The Health Department publishes zone data on its Rat Mitigation Zones site. Check it to see whether an address falls inside one.
What They Are
The Health Department describes these zones as areas of high rat activity where City agencies focus resources. Harlem is one zone the Health Department mentions on its rats page in connection with a contraceptive pilot.
How to Find Zones
Use the official Rat Mitigation Zones page for the current list and data. Zone boundaries can change, so we do not list them here.
Training
The Health Department runs the Rat Academy: a free two-hour class open to anyone, and a three-day course for pest control professionals held twice a year. Community sessions are often hosted with a local partner or elected official.
Not sure what you are dealing with? An inspection finds the source and sets the scope.
Questions and Answers
What is a Rat Mitigation Zone?
A Rat Mitigation Zone is an area with high levels of rat activity where City agencies focus resources on rats and the conditions that support them. The Health Department publishes data on complaints and rat control in these zones on its Rat Mitigation Zones website. Check that page to see whether an address falls inside one.
Is there free rat prevention training in NYC?
Yes. The Health Department runs the Rat Academy: a free two-hour class open to anyone, and a longer three-day course for pest control professionals that runs twice a year. Superintendents, property managers, gardeners and local businesses are welcome at the free class. Check the Rat Academy page for current dates and sign up details.
Last reviewed 2026-09-21. Time sensitive NYC rules and processes change, so check the linked official pages before you act.
Related pages
NYC 311 Rodent Guide
How rat and mouse complaints work.