Undercliff Avenue, Bronx: Grade D · 311, HPD & Crash Data
Grade D, 34 out of 100. How does Undercliff Avenue in Bronx rank for traffic safety, noise, and cleanliness?
Livability score
Grade D, livability 34 out of 100.
Calm 24, ranked against busy avenues. Access 53, ranked against every street in the city. More complaints per home than most busy avenues, but a lot within a walk.
That puts Undercliff Avenue in the bottom 8% of scored streets citywide.
Strongest on traffic safety (47) and tree cover (66). Quietness (1) is the weak spot.
On the record
Street/sidewalk noise is the most-filed complaint on Undercliff Avenue, with 381 reports, and the block ranks in the louder half of busy avenues. Across every category, 1,866 reports sit on this street's 311 file, and 20% of them name street/sidewalk noise. After that the file runs to heat and hot water (213 reports) and illegal parking (196). The file runs across 57 distinct 311 categories in all. About 171 reports per 100 homes sit on Undercliff Avenue, counting every category.
Undercliff Avenue carries 210 Class C violations on its HPD file, the most serious of the three classes an inspector can write, about 19 per 100 homes on file. The category HPD cites most often here is doors, with 165 violations on file. Pests follows at 97 violations, then paint and lead at 89. The housing file lists 85 residential buildings on Undercliff Avenue holding 1,091 homes, with 8 walk-ups and 12 elevator buildings among them. That averages about 13 homes to a building.
NYPD records 30 people injured in crashes on Undercliff Avenue since 2021.
Among busy avenues, Undercliff Avenue ranks 30 on infrastructure and 14 on housing. That 14 on housing puts Undercliff Avenue in the weakest quarter of busy avenues. Measured against busy avenues, parking sits at 23 and cleanliness at 15. Against every street in the city, Undercliff Avenue ranks 54 on transit and 42 on food nearby. Undercliff Avenue ranks 66 on tree cover, the best of its three citywide measures. The band those ranks are drawn from holds about 550 busy avenues.
The strongest band-ranked measure on Undercliff Avenue is traffic safety, at 47.
Rent stabilization covers about 82% of the 1,091 homes on file, 894 homes in all.
Scores are built from 311 complaints, HPD violations, NYPD crash records, NYPD felony complaint records, MTA stop locations, DOHMH food permits, and the street tree census, divided by the homes and businesses on the street, updated weekly. Read the scoring method or the data sources.
Nearest streets in Bronx
- Shakespeare Avenue, Bronx
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- W 174 Street, Bronx
- Townsend Avenue, Bronx
Undercliff Avenue runs through University Heights & Morris Heights and Highbridge, where every scored street in the neighborhood is ranked beside it.
Every scored street in Bronx, the citywide rankings of all 5,700+ graded streets, or Bronx vs Brooklyn: How the Two Boroughs Score (2026 Data).