9 Avenue, Brooklyn: Grade C+ · 311, HPD & Crash Data
Grade C+, 50 out of 100. How does 9 Avenue in Brooklyn rank for traffic safety, noise, and cleanliness?
Livability score
Grade C+, livability 50 out of 100.
Calm 36, ranked against major corridors. Access 75, ranked against every street in the city. More complaints per home than most major corridors, but a lot within a walk.
That puts 9 Avenue in the bottom 49% of scored streets citywide.
Strongest on street crime (69) and food nearby (91). Cleanliness (7) is the weak spot.
On the record
More 311 reports on 9 Avenue name residential noise than any other category, 194 of them, and cleanliness ranks 7 among major corridors. The whole 311 file on 9 Avenue holds 575 reports, and residential noise is 34% of it. After that the file runs to blocked driveway (157 reports) and illegal parking (78). The file runs across 67 distinct 311 categories in all. Set against the 580 homes on file, that is about 99 reports per 100 homes.
Inspectors have written 51 Class C violations on 9 Avenue, the tier the city treats as an immediate health or safety risk, about 9 per 100 homes on file. Pests is what HPD writes up most on 9 Avenue, 57 violations of it. Behind it the file holds doors (54 violations) and structure (23). 92 residential buildings on 9 Avenue hold the 580 homes on file, 40 of them walk-up apartment buildings and 3 of them buildings with an elevator. The average building on 9 Avenue holds about 6.3 homes.
Since 2021, 77 people have been injured in reported crashes here.
Of the ten measures on the card, infrastructure ranks 49 among major corridors and housing ranks 15. 9 Avenue sits in the weakest quarter of major corridors on housing. The card also puts traffic safety at 32 and parking at 19 among major corridors. Against every street in the city, 9 Avenue ranks 80 on tree cover and 64 on transit. Of the three measures ranked citywide, food nearby is the strongest on 9 Avenue, at 91. About 190 major corridors make up the band 9 Avenue is scored inside.
The strongest band-ranked measure on 9 Avenue is quietness, at 52.
Rent stabilization covers about 35% of the 580 homes on file, 202 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 Brooklyn
- 87 Street, Brooklyn
- 88 Street, Brooklyn
- 89 Street, Brooklyn
- 9 Street, Brooklyn
- 90 Street, Brooklyn
- 91 Street, Brooklyn
Every scored street in Brooklyn, the citywide rankings of all 5,700+ graded streets, or Queens vs Brooklyn: How the Two Boroughs Score (2026 Data).