Blackrock Avenue, Bronx: Grade C · 311, HPD & Crash Data
Grade C, 42 out of 100. How does Blackrock Avenue in Bronx rank for traffic safety, noise, and cleanliness?
Livability score
Grade C, livability 42 out of 100.
Calm 35, ranked against smaller avenues. Access 54, ranked against every street in the city. More complaints per home than most smaller avenues, but a lot within a walk.
That puts Blackrock Avenue in the bottom 23% of scored streets citywide.
Strongest on infrastructure (88) and tree cover (68). Housing (6) is the weak spot.
On the record
More 311 reports on Blackrock Avenue name heat and hot water than any other category, 46 of them. The whole 311 file on Blackrock Avenue holds 226 reports, and heat and hot water is 20% of it. After that the file runs to unsanitary condition (25 reports) and illegal parking (22). Reports on Blackrock Avenue span 50 distinct 311 categories. The 311 file works out to about 73 reports for every 100 homes on Blackrock Avenue.
HPD has cited 51 Class C violations here, the tier the city treats as an immediate health or safety risk, about 16 per 100 homes on file. Doors is what HPD writes up most on Blackrock Avenue, 45 violations of it. Behind it the file holds pests (18 violations) and bed bugs (17). 105 residential buildings on Blackrock Avenue hold the 311 homes on file, 32 of them walk-up apartment buildings and 1 of them buildings with an elevator. Across those buildings the average is about 3 homes each.
Against smaller avenues, parking comes in at 54, with cleanliness at 16. A 16 on cleanliness places Blackrock Avenue in the weakest quarter of smaller avenues. Measured against smaller avenues, traffic safety sits at 52 and quietness at 28. The citywide frame puts transit at 51 and food nearby at 51. Of the three measures ranked citywide, tree cover is the strongest on Blackrock Avenue, at 68. Blackrock Avenue is ranked against about 1,360 smaller avenues citywide.
Infrastructure is where Blackrock Avenue ranks best against smaller avenues, at 88.
About 28% of the 311 homes on file are rent-stabilized, 86 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 Bronx, the citywide rankings of all 5,700+ graded streets, or Bronx vs Brooklyn: How the Two Boroughs Score (2026 Data).