S 9 Street, Brooklyn: Grade C+ · 311, HPD & Crash Data
Grade C+, 52 out of 100. How does S 9 Street in Brooklyn rank for traffic safety, noise, and cleanliness?
Livability score
Grade C+, livability 52 out of 100.
Calm 34, ranked against built-up residential streets. Access 84, ranked against every street in the city. More complaints per home than most built-up residential streets, but a lot within a walk.
That puts S 9 Street in the top 44% of scored streets citywide.
Strongest on traffic safety (60) and transit (92). Quietness (3) is the weak spot.
On the record
Residential noise leads the 311 file on South 9 Street, with 220 reports, and the block ranks in the louder half of built-up residential streets. The whole 311 file on South 9 Street holds 775 reports, and residential noise is 28% of it. Illegal parking is the next most-filed at 44 reports, then door and window at 29. Reports on South 9 Street span 45 distinct 311 categories. Divided by the homes on file, South 9 Street carries roughly 134 reports per 100 of them.
Inspectors have written 81 Class C violations on South 9 Street, the tier the city treats as an immediate health or safety risk, about 14 per 100 homes on file. HPD's most-cited category on South 9 Street is paint and lead, at 87 violations. Pests accounts for 80 more, and doors for 52. 44 residential buildings on South 9 Street hold the 580 homes on file, 24 of them walk-up apartment buildings and 4 of them buildings with an elevator. That averages about 13 homes to a building.
NYPD records 6 people injured in crashes on South 9 Street since 2021.
Among built-up residential streets, South 9 Street ranks 31 on cleanliness and 12 on housing. That 12 on housing puts South 9 Street in the weakest quarter of built-up residential streets. Parking ranks 29 on the same scale, with infrastructure at 25. The citywide frame puts food nearby at 87 and tree cover at 61. Transit is the strongest of the three citywide measures here, at 92. About 790 built-up residential streets make up the band South 9 Street is scored inside.
The strongest band-ranked measure on South 9 Street is traffic safety, at 60.
Rent stabilization covers about 20% of the 580 homes on file, 107 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
- S 5 Street, Brooklyn
- S 6 Street, Brooklyn
- S 8 Street, Brooklyn
- S Elliott Place, Brooklyn
- S Oxford Street, Brooklyn
- S Portland Avenue, 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).