Union Street, Brooklyn: Grade C+ · 311, HPD & Crash Data

Grade C+, 54 out of 100. How does Union Street in Brooklyn rank for traffic safety, noise, and cleanliness?

Livability score

Grade C+, livability 54 out of 100.

Calm 38, ranked against built-up residential streets. Access 83, 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 Union Street in the top 39% of scored streets citywide.

Strongest on street crime (67) and tree cover (98). Parking (4) is the weak spot.

On the record

Illegal parking is the most-filed complaint on Union Street, with 5,807 reports, and parking ranks 4 among built-up residential streets. The whole 311 file on Union Street holds 7,786 reports, and illegal parking is 75% of it. Heat and hot water is the next most-filed at 564 reports, then residential noise at 368. In all, 97 distinct 311 categories are represented on Union Street. Divided by the homes on file, Union Street carries roughly 138 reports per 100 of them.

Union Street carries 572 Class C violations on its HPD file, the most serious of the three classes an inspector can write, about 10 per 100 homes on file. The category HPD cites most often here is pests, with 477 violations on file. Behind it the file holds paint and lead (246 violations) and bed bugs (222). The housing file lists 927 residential buildings on Union Street holding 5,651 homes, with 358 walk-ups and 20 elevator buildings among them. Across those buildings the average is about 6.1 homes each.

Reported crashes on Union Street have injured 108 people since 2021.

Among built-up residential streets, Union Street ranks 44 on traffic safety and 14 on cleanliness. A 14 on cleanliness places Union Street in the weakest quarter of built-up residential streets. Quietness ranks 43 on the same scale, with housing at 19. The citywide frame puts food nearby at 85 and transit at 75. Tree cover is the strongest of the three citywide measures here, at 98. About 790 built-up residential streets make up the band Union Street is scored inside.

Infrastructure is the strongest of the measures ranked inside the band, at 64.

22% of the 5,651 homes recorded on Union Street are rent-stabilized, 1,248 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

Union Street runs through Crown Heights, Carroll Gardens and Park Slope, where every scored street in the neighborhood is ranked beside it.

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).

The full report for Union Street