Avenue J, Brooklyn: Grade B · 311, HPD & Crash Data
Grade B, 62 out of 100. How does Avenue J in Brooklyn rank for traffic safety, noise, and cleanliness?
Livability score
Grade B, livability 62 out of 100.
Calm 62, ranked against busy avenues. Access 62, ranked against every street in the city. Fewer complaints per home than most busy avenues, and a lot within a walk.
That puts Avenue J in the top 19% of scored streets citywide.
Strongest on quietness (93) and tree cover (98). Traffic safety (7) is the weak spot.
On the record
NYPD collision records are what stand out on Avenue J. Since 2021, reported crashes on Avenue J have injured 373 people, and traffic safety ranks 7 among busy avenues. The 311 file on Avenue J is led by illegal parking, with 260 reports. Illegal parking accounts for 30% of the 862 reports on file here. After that the file runs to heat and hot water (111 reports) and blocked driveway (105). Reports on Avenue J span 97 distinct 311 categories. Set against the 1,532 homes on file, that is about 56 reports per 100 homes.
Inspectors have written 54 Class C violations on Avenue J, the tier the city treats as an immediate health or safety risk, about 4 per 100 homes on file. The category HPD cites most often here is pests, with 52 violations on file. Paint and lead follows at 43 violations, then plumbing at 25. 685 residential buildings on Avenue J hold the 1,532 homes on file, 37 of them walk-up apartment buildings and 5 of them buildings with an elevator. That averages about 2.2 homes to a building.
Among busy avenues, Avenue J ranks 88 on cleanliness and 39 on infrastructure. A 39 on infrastructure places Avenue J in the weaker half of busy avenues. The card also puts housing at 81 and parking at 58 among busy avenues. Transit ranks 55 and food nearby 51, both against every street in the city rather than inside the band. Of the three measures ranked citywide, tree cover is the strongest on Avenue J, at 98. About 550 busy avenues make up the band Avenue J is scored inside.
Quietness is where Avenue J ranks best against busy avenues, at 93.
24% of the 1,532 homes recorded on Avenue J are rent-stabilized, 376 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.
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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).