W 21 Street, Brooklyn: Grade C+ · 311, HPD & Crash Data
Grade C+, 54 out of 100. How does W 21 Street in Brooklyn rank for traffic safety, noise, and cleanliness?
Livability score
Grade C+, livability 54 out of 100.
Calm 49, ranked against numbered streets. Access 63, ranked against every street in the city. Fewer complaints per home than most numbered streets, and a lot within a walk.
That puts W 21 Street in the top 39% of scored streets citywide.
Strongest on infrastructure (97) and transit (71). Cleanliness (6) is the weak spot.
On the record
Elevator leads the 311 file on West 21 Street, with 34 reports, and cleanliness ranks 6 among numbered streets. Across every category, 125 reports sit on this street's 311 file, and 27% of them name elevator. After that the file runs to residential noise (29 reports) and unsanitary condition (26). Reports on West 21 Street span 35 distinct 311 categories. Divided by the homes on file, West 21 Street carries roughly 47 reports per 100 of them.
West 21 Street carries 29 Class C violations on its HPD file, the most serious of the three classes an inspector can write, about 11 per 100 homes on file. HPD's most-cited category on West 21 Street is paint and lead, at 34 violations. Pests accounts for 29 more, and doors for 16. 10 residential buildings on West 21 Street hold the 266 homes on file, 2 of them walk-up apartment buildings and 1 of them buildings with an elevator. The average building on West 21 Street holds about 27 homes.
Since 2021, 10 people have been injured in reported crashes here.
Against numbered streets, parking comes in at 96, with housing at 25. That 25 on housing puts West 21 Street in the weaker half of numbered streets. The card also puts quietness at 78 and traffic safety at 43 among numbered streets. Against every street in the city, West 21 Street ranks 69 on food nearby and 32 on tree cover. Of the three measures ranked citywide, transit is the strongest on West 21 Street, at 71. The band those ranks are drawn from holds about 990 numbered streets.
Infrastructure is the strongest of the measures ranked inside the band, at 97.
About 12% of the 266 homes on file are rent-stabilized, 31 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).