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8809 21 Avenue is a walkup apartment building built in 1930 in Brooklyn with 6 residential units. It carries a Grade F health score, with 4 open Class C hazardous violations and a recurring pattern of habitability complaints (heat, electric, elevator, mold, lead, boiler, or unsanitary conditions) among the recorded concerns. Our analysis reviewed 324 records across 25 public data sources, benchmarked against similar mid-sized prewar residential buildings in NYC.
25 open violations are past the city's repair deadline. 4 hazardous (Class C) violations remain open in city records (1 opened in the last 2 years).
The grade measures tenant living conditions from public city records (violations, complaints, litigation). It is not a structural or construction-safety rating.
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Unsanitary Condition — Mold
Door/Window — Window Frame
Paint/Plaster — Wall
Water Leak — Heavy Flow
Outside Building — Roofing
Paint/Plaster — Wall
Water Leak — Slow Leak
Paint/Plaster — Wall
Paint/Plaster — Wall
Unsanitary Condition — Pests
Water Leak — Damp Spot
Registration Issue
Property Records recorded
Property Records recorded
Property Records recorded
Property Records recorded
Compliance recorded
Compliance recorded
Health & Safety recorded
Pests / Vermin
This report is an informational tool based on publicly available government records and does not constitute a “consumer report” under the Fair Credit Reporting Act. Building grades are editorial opinions and should not be used as the sole basis for housing, lending, or employment decisions. Data sourced from HPD, DOB, DOF, ECB, FDNY, 311, and other NYC agencies. Report errors to data@openstoop.com. See our Terms and Privacy Policy.