509 Hinsdale Street

509 Hinsdale Street in East New York, Brooklyn, has 444 open HPD violations, 163 of them class C, and 21 of 21 units are rent-stabilized, as of Oct 24, 2026. StreetSpy grade: F (22/100).

Mixed residential & commercial · 21 units · Built 1930

StreetSpy grade: F (Severe, 22/100)

• 163 immediately hazardous violations open (the class that covers no heat, pests, lead paint and similar).
• 19 open violations are classified rent-impairing under NY Multiple Dwelling Law section 302-a.
• 9 heat or hot water complaints to 311 in the last 12 months.
• 21 of 21 units are rent-stabilized.

More open violations per unit than 9 in 10 Brooklyn buildings this size.

• Repairs: High (444 open, 163 class C), records as of Oct 24, 2026
• Heat and hot water: 9 complaints, 12 mo, records as of Oct 23, 2026
• Pests: Clear (Owner reported none, 3 yr), records as of Oct 26, 2026
• Safety: Medium (3 open DOB violations), records as of Oct 23, 2026
• Registration: Renewal not yet in city data, records as of Oct 3, 2026

How the grade works

Housing code violations (HPD)

444 open violations: 163 class C (immediately hazardous), 245 class B, 35 class A, 1 class I (HPD orders such as lead paint or heat orders, not a hazard class). 55 issued in the last 12 months. 1593 on record. Oldest open violation issued 1998-01-06. Newest violation issued 2026-08-28.

3 closed in the last 90 days. Median 416 days from issue to close for the 14 violations closed in the last 12 months.

19 open violations are classified rent-impairing under NY Multiple Dwelling Law section 302-a. Section 302-a; NY Courts guidance on getting repairs.

• Class C: Damaged plaster or paint, ceiling, bathroom, 3rd floor. PROPERLY SECURE THE LOOSE LIGHTING FIXTURE AT CEILING IN THE BATHROOM LOCATED AT APT 3C, 3rd STORY, 1st APARTMENT FROM WEST AT NORTH (apt 3C), issued 2026-08-28. HPD violation 19172441
• Class C: Electrical defect, bathroom, 3rd floor. , 2038 HMC: PROVIDE A SAFE AND ADEQUATE SUPPLY OF ELECTRIC SERVICE TO THE FIXTURES LIGHT SWITCH AND LIGHT FIXTURE IN THE BATHROOM LOCATED AT APT 3C, 3rd STORY, 1st APARTMENT FROM WEST AT NORTH (apt 3C), issued 2026-08-28. HPD violation 19172433
• Class C: Damaged plaster or paint, ceiling, bathroom, 3rd floor. REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT CEILING IN THE BATHROOM LOCATED AT APT 3C, 3rd STORY, 1st APARTMENT FROM WEST AT NORTH (apt 3C), issued 2026-08-27. HPD violation 19172424
• Class C: Damaged plaster or paint, ceiling, bathroom, 2nd floor. REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT CEILING IN THE BATHROOM LOCATED AT APT 2F, 2nd STORY, 2nd APARTMENT FROM EAST AT SOUTH (apt 2F), issued 2026-07-23. HPD violation 19097094
• Class C: Leak or water damage, ceiling, 1st room from the east, 1st floor. , 2027 HMC: PROPERLY REPAIR THE SOURCE AND ABATE THE EVIDENCE OF A WATER LEAK AT CEILING AND NORTH WALL IN THE 1st ROOM FROM EAST LOCATED AT APT 1A, 1st STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 1A), issued 2026-07-23. HPD violation 19097037
• Class C: Leak or water damage, ceiling, bathroom, 2nd floor. , 2027 HMC: PROPERLY REPAIR THE SOURCE AND ABATE THE EVIDENCE OF A WATER LEAK AT CEILING IN THE BATHROOM LOCATED AT APT 2F, 2nd STORY, 2nd APARTMENT FROM EAST AT SOUTH (apt 2F), issued 2026-07-23. HPD violation 19097092
• Class C: Leak or water damage, ceiling, bathroom, 1st floor. , 2027 HMC: PROPERLY REPAIR THE SOURCE AND ABATE THE EVIDENCE OF A WATER LEAK AT CEILING AND WEST WALL IN THE BATHROOM LOCATED AT APT 1A, 1st STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 1A), issued 2026-07-23. HPD violation 19097061
• Class C: Damaged plaster or paint, west wall, 1st room from the east, 1st floor. HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE SPRINGS BALANCES AT 1ST WINDOW LOWER SASH AT WEST WALL IN THE 1st ROOM FROM EAST LOCATED AT APT 1A, 1st STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 1A), issued 2026-07-23. HPD violation 19097045

311 housing complaints

42 in the last 12 months, 275 in 5 years. Most common: Water Leak (11), Heat/Hot Water (9), Paint/Plaster (8), Unsanitary Condition (6), Plumbing (5).

Bedbugs

The owner reported 0 infested units in the last 3 years of filings. HPD's bedbug filings are self-reported by the owner once a year; HPD does not inspect to confirm them.

• 2026: No bedbug filing on record for this year
• 2025: Owner reported 0 infested units
• 2024: Owner reported 0 infested units
• 2023: Owner reported 0 infested units
• 2022: No bedbug filing on record for this year
• 2021: Owner reported 0 infested units

Buildings department (DOB)

3 open DOB violations, 1 of them Local Law violations issued before 2000. 7 DOB violations on record. Check on DOB BIS.

Evictions and housing court

4 executed evictions in the last 3 years (12 on record). 0 open HPD cases; 0 harassment findings.

Rent stabilization

21 of 21 units rent-stabilized as of 2024. Stabilized renewals: 0% for one year and 0% for two years under RGB Order #58 (Oct 1, 2026 to Sep 30, 2027).

Rent-stabilized units on city tax bills: 21 in 2024, 21 in 2007. Source: DOF tax bills for 2007 and 2024; years with no bill on file are left out.

Owner and management

Owner: RIVERDALE AVENUE PROPERTIES LLC. Head officer: BARRY SINGER. Managing agent: DANIEL CALLER. This owner has 15 buildings on record, 15 graded D or F. See the full portfolio.

Last HPD registration Oct 3, 2025. Registration on file through Sep 1, 2026; renewal not yet in the city's data.

Tax lot and city IDs

BBL 3038350021, HPD building ID 313097. HPD Online, ACRIS, DOB BIS.

Nearest subway

• Livonia Av (L), 4 min walk
• Pennsylvania Av (3), 4 min walk
• Junius St (3), 5 min walk

How the grade is calculated

Sources: NYC HPD Housing Maintenance Code Violations, NYC 311 Service Requests, NYC HPD Bedbug Reporting, NYC Marshal Evictions (DOI), NYC HPD Housing Litigations, NYC DOB Violations, NYC DOF tax bills (via JustFix Who Owns What portfolio API, v2), NYC HPD Property Registration. Methodology. Report generated 2026-10-27.