753 Classon Avenue is an institutional building built in 1967 in Brooklyn with 137 residential units. It carries a Grade F health score, with 67 open Class C hazardous violations and Class C violations that have not been corrected among the recorded concerns. Our analysis reviewed 1,800 records across 25 public data sources, benchmarked against similar large postwar residential buildings in NYC.
Open violations
254 open violations are past the city's repair deadline. 67 hazardous (Class C) violations remain open in city records (11 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.
vs. neighborhood (11238)0th percentile
Among the most distressed of 3,973 buildingszip avg 86
Alerts
Open Critical Violations
This building has unresolved Class C (immediately hazardous) violations that require urgent repair.
Unresolved Critical Violation
A Class C (immediately hazardous) violation was not certified as corrected by the city’s deadline, per HPD records.
Hazardous ECB Violation
The Environmental Control Board identified a hazardous condition requiring immediate attention.
Rat Activity
This building has repeated rodent inspection failures (3+ in 5 years), indicating a persistent pest problem.
Unsafe Facade
A facade inspection found this building's exterior to be unsafe. This is a serious structural concern that can lead to falling debris.
Recent Highlights
Recent building issues that are most worth noticing.
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Buildings around
This building and its nearest neighbors, colored by grade.
Construction and structural enforcement from city records. These are facts from DOB/ECB/FDNY filings — they are separate from the tenant-conditions grade above.
Facade (Local Law 11): rated UNSAFE in its latest inspection cycle.
2026-02-04 · HIGH · Construction enforcement violation — case still open
2025-10-23 · HIGH · Construction enforcement violation — case still open
2025-10-23 · HIGH · Construction enforcement violation — case still open
2025-10-17 · HIGH · Construction enforcement violation — case still open
Details for each record are available in the building timeline and in DOB's public database.
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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.