NYC Open Data · Last updated 2026-06-25
NYC Rat Report 2026
How many rodent complaints did New York City receive — and which boroughs and ZIP codes drive the most? This report tracks 42,808 NYC 311 rodent complaints and all-time DOHMH rodent inspection results, sourced entirely from NYC Open Data.
Study period: 1 January 2025 – 25 June 2026. Data pull date: 2026-06-25.
What does the data show?
Between 1 January 2025 and 25 June 2026, New York City residents filed 42,808 rodent complaints through the NYC 311 service portal. Brooklyn accounted for the largest share (15,266 complaints — 36% of the citywide total), while ZIP code 10035 (East Harlem) recorded the highest complaint count of any single ZIP in the city (1,463 complaints).
Complaints peaked in June 2025 at 3,694 and hit a winter low in December 2025 at 1,133 — a seasonal ratio of 3.3×. The pattern mirrors the NYC DOHMH's documented warm-weather surge in Norway rat foraging activity.
| Rank | Borough | Complaints | % of Total |
|---|---|---|---|
| #1 | Brooklyn | 15,266 | 36% |
| #2 | Manhattan | 11,371 | 27% |
| #3 | Queens | 7,630 | 18% |
| #4 | The Bronx | 6,951 | 16% |
| #5 | Staten Island | 1,590 | 4% |
| All Boroughs | 42,808 | 100% |
Source: NYC 311 Open Data (erm2-nwe9), filtered complaint_type='Rodent'. Pull date: 2026-06-25.
How do rat complaints vary by month?
NYC's rodent complaint volume follows a consistent warm-season pattern. Complaints more than triple between winter and peak summer — the NYC Department of Health and Mental Hygiene (DOHMH) notes that Norway rats are most active above 4°C (39°F), so cold winters temporarily suppress foraging and outdoor burrow activity without eliminating colonies.
| Month | Complaints |
|---|---|
| Jan 2025 | 2,180 |
| Feb 2025 | 2,077 |
| Mar 2025 | 2,896 |
| Apr 2025 | 2,903 |
| May 2025 | 3,332 |
| Jun 2025 | 3,694 |
| Jul 2025 | 3,635 |
| Aug 2025 | 3,388 |
| Sep 2025 | 2,785 |
| Oct 2025 | 1,935 |
| Nov 2025 | 1,354 |
| Dec 2025 | 1,133 |
| Jan 2026 | 1,336 |
| Feb 2026 | 1,183 |
| Mar 2026 | 2,083 |
| Apr 2026 | 2,100 |
| May 2026 | 2,811 |
| Jun 2026 (partial) | 1,983 |
Source: NYC 311 Open Data (erm2-nwe9). Jun 2026 row is partial (data through 2026-06-25).
Which ZIP codes have the most rat complaints?
ZIP code 10035 in East Harlem — a designated NYC Rat Mitigation Zone — recorded more rodent complaints than any other ZIP in New York City during the study period. Brooklyn dominates the top 20, with 13 of 20 highest-complaint ZIPs located in the borough. For residents in these areas, connecting with a licensed exterminator is often the fastest path to relief: Rat Exterminator Corporation serves all five boroughs, while Big Apple Pest Solutions covers Manhattan and surrounding areas.
| Rank | ZIP | Neighborhood | Complaints |
|---|---|---|---|
| #1 | 10035 | East Harlem | 1,463 |
| #2 | 10452 | Highbridge | 1,076 |
| #3 | 11226 | Flatbush | 956 |
| #4 | 11221 | Bushwick | 918 |
| #5 | 11216 | Crown Heights North | 897 |
| #6 | 11233 | East New York | 892 |
| #7 | 11238 | Prospect Heights | 830 |
| #8 | 10025 | Upper West Side | 798 |
| #9 | 11385 | Ridgewood | 780 |
| #10 | 10027 | Harlem | 685 |
| #11 | 11215 | Park Slope | 656 |
| #12 | 10024 | Upper West Side | 641 |
| #13 | 11218 | Kensington | 593 |
| #14 | 11225 | Prospect Lefferts Gardens | 586 |
| #15 | 10467 | Allerton / Pelham Pkwy | 571 |
| #16 | 11213 | Crown Heights | 560 |
| #17 | 10031 | Hamilton Heights | 546 |
| #18 | 10026 | Central Harlem | 525 |
| #19 | 11230 | Midwood | 508 |
| #20 | 11206 | Williamsburg | 504 |
Source: NYC 311 Open Data (erm2-nwe9). Neighborhood labels are informal designations for reference; ZIP boundaries may cross multiple neighborhoods.
Borough-by-borough breakdown
Detailed analysis for each borough, including DOHMH inspection failure rates and Rat Mitigation Zone context.
Rank #1 citywide
Brooklyn
15,266
rodent complaints
View data →Rank #2 citywide
Manhattan
11,371
rodent complaints
View data →Rank #3 citywide
Queens
7,630
rodent complaints
View data →Rank #4 citywide
The Bronx
6,951
rodent complaints
View data →Rank #5 citywide
Staten Island
1,590
rodent complaints
View data →All Boroughs
Compare inspection failure rates across all five boroughs
View comparison →How was this data collected?
All figures are queried directly from the NYC Open Data portal
using the public Socrata API — no estimates, no adjustments. The 311 dataset (erm2-nwe9) is filtered to
complaint_type='Rodent' from 1 January 2025 onward.
The DOHMH inspection dataset (p937-wjvj) covers all inspection records available through 2026-06-25.
See the full methodology page and
about the data for dataset limitations and definitions.