Duffield Street, Brooklyn: Grade B · 311, HPD & Crash Data
Grade B, 63 out of 100. How does Duffield Street in Brooklyn rank for traffic safety, noise, and cleanliness?
Livability score
Grade B, livability 63 out of 100.
Calm 49, ranked against built-up residential streets. Access 88, ranked against every street in the city. Fewer complaints per home than most built-up residential streets, and a lot within a walk.
That puts Duffield Street in the top 17% of scored streets citywide.
Strongest on cleanliness (96) and transit (99). Parking (5) is the weak spot.
On the record
Illegal parking leads the 311 file on Duffield Street, with 403 reports, and parking ranks 5 among built-up residential streets. The whole 311 file on Duffield Street holds 516 reports, and illegal parking is 78% of it. After that the file runs to commercial noise (59 reports) and residential noise (26). In all, 49 distinct 311 categories are represented on Duffield Street. The 311 file works out to about 95 reports for every 100 homes on Duffield Street.
Duffield Street carries 4 Class C violations on its HPD file, the most serious of the three classes an inspector can write, about 1 per 100 homes on file. Doors is what HPD writes up most on Duffield Street, 16 violations of it. Behind it the file holds pests (12 violations) and paint and lead (10). City housing records put 544 homes in 24 residential buildings on Duffield Street, 17 of them walk-up apartment buildings and 3 of them buildings with an elevator. Across those buildings the average is about 23 homes each.
Since 2021, 8 people have been injured in reported crashes here.
Among built-up residential streets, Duffield Street ranks 80 on infrastructure and 42 on quietness. Duffield Street sits in the weaker half of built-up residential streets on quietness. The card also puts housing at 64 and traffic safety at 52 among built-up residential streets. Food nearby ranks 96 and tree cover 50, both against every street in the city rather than inside the band. Transit is the strongest of the three citywide measures here, at 99. About 790 built-up residential streets make up the band Duffield Street is scored inside.
Cleanliness is the strongest of the measures ranked inside the band, at 96.
The housing file puts 44% of the 544 homes on Duffield Street in rent stabilization, 242 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).