506 Riverdale Avenue

506 Riverdale Avenue in East New York, Brooklyn, has 16 open HPD violations, 4 of them class C, and 32 of 9 units are rent-stabilized, as of Oct 25, 2026. StreetSpy grade: F (42/100).

City program owner (HDFC) · Multi-family walk-up · 9 units · Built 1930

Held by a Housing Development Fund Corporation, a nonprofit owner under a city housing program. Its tenants live with the conditions on this record, so it is graded and ranked like any rental. How HDFCs are ranked

StreetSpy grade: F (Severe, 42/100)

• 4 immediately hazardous violations open (the class that covers no heat, pests, lead paint and similar).
• 5 heat or hot water complaints to 311 in the last 12 months.
• The head officer on this registration is named on 51 buildings' registrations; 38 graded D or F.
• 32 of 9 units are rent-stabilized; 22 on the 2007 tax bill.

More open violations per unit than 6 in 10 Brooklyn buildings this size.

• Repairs: High (16 open, 4 class C), records as of Oct 25, 2026
• Heat and hot water: 5 complaints, 12 mo, records as of Oct 25, 2026
• Pests: Clear (Owner reported none, 3 yr), records as of Oct 27, 2026
• Safety: Medium (1 open DOB violation), 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)

16 open violations: 4 class C (immediately hazardous), 11 class B, 1 class A. 14 issued in the last 12 months. 168 on record. Oldest open violation issued 2018-08-17. Newest violation issued 2026-09-03.

19 closed in the last 90 days. Median 850 days from issue to close for the 35 violations closed in the last 12 months.

• Class C: Mice, throughout the apartment, 2nd floor. HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 2A, 2nd STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 2A), issued 2026-09-03. HPD violation 19183494
• Class C: Roaches, throughout the apartment, 2nd floor. HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 2A, 2nd STORY, 1st APARTMENT FROM SOUTH AT WEST , SECTION AT NORTH (apt 2A), issued 2024-06-20. HPD violation 17063633
• Class C: Mice, throughout the apartment, 2nd floor. HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 2A, 2nd STORY, 1st APARTMENT FROM SOUTH AT WEST , SECTION AT NORTH (apt 2A), issued 2024-06-20. HPD violation 17063627
• Class C: Roaches, throughout the apartment, 3rd floor. HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 3B, 3rd STORY, 1st APARTMENT FROM NORTH AT EAST (apt 3B), issued 2021-10-20. HPD violation 14629490
• Class B: Floor or stair defect, 1st room from the east, 2nd floor. PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE WOOD FLOOR IN THE 1st ROOM FROM EAST AT NORTH LOCATED AT APT 2A, 2nd STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 2A), issued 2026-09-03. HPD violation 19183495
• Class B: Floor or stair defect, 2nd room from the east, 2nd floor. PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE WOOD FLOOR IN THE 2nd ROOM FROM EAST AT NORTH LOCATED AT APT 2A, 2nd STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 2A), issued 2026-09-03. HPD violation 19183496
• Class B: Door, lock or intercom defect, bathroom, 2nd floor. HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE DOOR AT ENTRANCE IN THE 1st BATHROOM FROM EAST LOCATED AT APT 2A, 2nd STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 2A), issued 2026-09-03. HPD violation 19183497
• Class B: Floor or stair defect, 4th room from the east, 2nd floor. PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE WOOD FLOOR IN THE 4th ROOM FROM EAST AT NORTH LOCATED AT APT 2A, 2nd STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 2A), issued 2026-09-03. HPD violation 19183498

311 housing complaints

23 in the last 12 months, 55 in 5 years. Most common: Paint/Plaster (9), Door/Window (7), Heat/Hot Water (5), Water Leak (2).

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

Buildings department (DOB)

1 open DOB violation, a Local Law violation issued before 2000. 6 DOB violations on record. Check on DOB BIS.

Evictions and housing court

0 executed evictions in the last 3 years (1 on record). 0 open HPD cases; 0 harassment findings.

Rent stabilization

32 of 9 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: 32 in 2024, 22 in 2007. Source: DOF tax bills for 2007 and 2024; years with no bill on file are left out.

Owner and management

Owner: ENY DEVELOPMENT LLC. Head officer: MEREDITH MARSHALL. Managing agent: GREEN CEDAR MANAGEMENT. This owner has 51 buildings on record, 38 graded D or F. See the full portfolio.

Last HPD registration Oct 27, 2025. Registration on file through Sep 1, 2026; renewal not yet in the city's data.

Tax lot and city IDs

BBL 3038360025, HPD building ID 395846. HPD Online, ACRIS, DOB BIS.

Nearest subway

• Pennsylvania Av (3), 4 min walk
• Livonia Av (L), 4 min walk
• New Lots Av (L), 6 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.