The Bronx: Rodent Report 2025–2026
The Bronx ranked #4 among the five boroughs with 6,951 NYC 311 rodent complaints (16% of the citywide total).
Study period: 1 Jan 2025 – 25 Jun 2026. Source: NYC 311 Open Data + DOHMH Rodent Inspections. Pull date: 2026-06-25.
6,951
311 rodent complaints (2025–2026)
#4
citywide rank (most complaints)
18%
inspections failed for rat activity (all-time)
What drives rodent complaints in The Bronx?
The Bronx recorded 6,951 complaints, ranking fourth. Highbridge (10452, 1,076 complaints) is the borough's top ZIP. The Bronx's large pre-war apartment buildings with interconnected basements and shared trash rooms create pathways for rats between buildings.
NYC Rat Mitigation Zones in The Bronx
The NYC DOHMH has designated the following The Bronx neighborhoods as Rat Mitigation Zones: Morrisania, Mott Haven, Tremont. These designations concentrate city abatement resources and increase DOHMH inspection frequency for property owners.
Which The Bronx ZIP codes have the most rat complaints?
The following The Bronx ZIP codes appear in the top 20 citywide for rodent complaints during the study period.
| ZIP | Neighborhood | Complaints |
|---|---|---|
| 10452 | Highbridge | 1,076 |
| 10467 | Allerton / Pelham Pkwy | 571 |
Source: NYC 311 Open Data (erm2-nwe9). Only ZIPs in the citywide top 20 are shown here; full ZIP-level data available via NYC Open Data.
How do DOHMH rodent inspections break down in The Bronx?
The Bronx had 105,631 all-time inspections failed for rat activity (plus 42,692 combined rat+other failures). The borough also shows 115,988 bait applications — indicative of sustained DOHMH intervention. Property owners in The Bronx are legally required under NYC Health Code to keep their properties rat-free. A failed Initial Inspection triggers a Compliance Inspection; documented abatement is the owner's burden.
| Result | Count | % of Total |
|---|---|---|
| Passed | 493,243 | 58% |
| Bait applied | 115,988 | 14% |
| Failed for Rat Activity | 105,631 | 12% |
| Failed for Other Reason | 79,654 | 9% |
| Failed for Rat Activity and Other Reason | 42,692 | 5% |
| Monitoring visit | 6,887 | 1% |
| Stoppage done | 2,292 | 0% |
| Cleanup done | 1,025 | 0% |
Source: DOHMH Rodent Inspections (p937-wjvj). All-time records through 2026-06-25.