Thornhill Avenue, Queens: Grade C · 311, HPD & Crash Data
Grade C, 45 out of 100. How does Thornhill Avenue in Queens rank for traffic safety, noise, and cleanliness?
Livability score
Grade C, livability 45 out of 100.
Calm 52, ranked against smaller avenues. Access 33, ranked against every street in the city. Fewer complaints per home than most smaller avenues, but little within a walk.
That puts Thornhill Avenue in the bottom 32% of scored streets citywide.
Strongest on parking (99) and tree cover (81). Street crime (7) is the weak spot. Access is 35% of this grade. If you drive, it likely understates your block.
On the record
Street condition is the most-filed complaint on Thornhill Avenue, with 17 reports. Behind it sits damaged tree, with 10 reports. In all, 29 distinct 311 categories are represented on Thornhill Avenue.
The HPD file on Thornhill Avenue holds no Class C violation, the tier the city treats as an immediate health or safety risk. 89 residential buildings on Thornhill Avenue hold the 93 homes on file, 0 of them walk-up apartment buildings and 0 of them buildings with an elevator.
Against smaller avenues, housing comes in at 92, with infrastructure at 8. An 8 on infrastructure places Thornhill Avenue in the weakest quarter of smaller avenues. The card also puts cleanliness at 77 and traffic safety at 28 among smaller avenues. Food nearby ranks 27 and transit 17, both against every street in the city rather than inside the band. Of the three measures ranked citywide, tree cover is the strongest on Thornhill Avenue, at 81. Thornhill Avenue is ranked against about 1,360 smaller avenues citywide.
Parking is the strongest of the measures ranked inside the band, at 99.
None of the 93 homes on file are rent-stabilized.
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 Queens
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Thornhill Avenue runs through Douglaston, where every scored street in the neighborhood is ranked beside it.
Every scored street in Queens, the citywide rankings of all 5,700+ graded streets, or Queens vs Brooklyn: How the Two Boroughs Score (2026 Data).