NYC Open Data · Last updated 2026-06-25
NYC Infestation Index 2026
What's bugging New York City — and where? A pest-type breakdown of all pest-related 311 complaint categories across all five boroughs, sourced from NYC Open Data.
Study period: January 2025 – June 2026. Pull date: 2026-06-25.
Which pest types generate the most 311 complaints in NYC?
NYC 311 categorizes pest-related complaints under multiple types. The largest category is "UNSANITARY CONDITION — PESTS" (insect/vermin complaints logged by NYC Housing Preservation and Development inspectors), followed by "Rodent" complaints (handled by DOHMH). Together, these two categories captured 135,766 pest-related complaints between January 2025 and June 2026.
| Pest Category | Complaints (2025–2026) |
|---|---|
| UNSANITARY CONDITION — PESTS (insects/vermin) | 92,958 |
| Rodent (rats + mice) | 42,808 |
| Total pest-related complaints | 135,766 |
Source: NYC 311 Open Data (erm2-nwe9). Pull date: 2026-06-25. Full pest-type breakdown →
About this index
The Infestation Index focuses on pest type — which categories of pests are driving complaint volume, across which boroughs, and when. It is distinct from the City Rat Index (neighborhood rat scoring) and Urban Pest Watch (temporal trends). All data from NYC Open Data under CC BY 4.0. Methodology →