509 Dean Street
509 Dean Street in Prospect Heights, Brooklyn, has 14 open HPD violations, 1 of them class C, and no rent-stabilized units are on its tax bill, as of Oct 26, 2026. StreetSpy grade: F (43/100).
Multi-family walk-up · 8 units · Built 1930
StreetSpy grade: F (Severe, 43/100)
- 1 immediately hazardous violation open (the class that covers no heat, pests, lead paint and similar).
- 4 open violations are classified rent-impairing under NY Multiple Dwelling Law section 302-a.
- The head officer on this registration is named on 45 buildings' registrations; 9 graded D or F.
- No rent-stabilized units on the tax bill. Increases aren't capped by stabilization, though Good Cause Eviction may still limit them.
More open violations per unit than 6 in 10 Brooklyn buildings this size.
- Repairs: High (14 open, 1 class C), records as of Oct 26, 2026
- Heat and hot water: 1 complaint, 12 mo, records as of Oct 25, 2026
- Pests: Clear (Owner reported none, 3 yr), records as of Oct 28, 2026
- Safety: Medium (2 open DOB violations), records as of Oct 26, 2026
- Registration: Renewal not yet in city data, records as of Oct 3, 2026
Housing code violations (HPD)
14 open violations: 1 class C (immediately hazardous), 10 class B, 3 class A. 7 issued in the last 12 months. 105 on record. Oldest open violation issued 2008-06-03. Newest violation issued 2026-09-30.
0 closed in the last 90 days. Median 77 days from issue to close for the 1 violations closed in the last 12 months.
4 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: No heat / heating defect. D26-17.10 ADM CODE POST NOTICE, IN FORM APPROVED BY THE DEPARTMENT, STATING THE NAME AND LOCATION OF THE PERSON DESIGNATED BY THE OWNER TO HAVE KEY TO BUILDING'S HEATING SYSTEM 1 STY PUB HALL & ON DOOR TO HEATING PLANT., issued 2008-06-03. HPD violation 1290541
- Class B: Leak or water damage, ceiling, 3rd room from the north, 4th floor. REPAIR THE ROOF SO THAT IT WILL NOT LEAK OVER THE CEILING, IN THE 3rd ROOM FROM NORTH AT WEST LOCATED AT APT 4F, 4th STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 4F), issued 2026-09-30. HPD violation 19255997
- Class B: Damaged plaster or paint, ceiling, 3rd room from the north, 4th floor. REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT THE CEILING, IN THE 3rd ROOM FROM NORTH AT WEST LOCATED AT APT 4F, 4th STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 4F), issued 2026-09-30. HPD violation 19255998
- Class B: Damaged plaster or paint, ceiling, bathroom, 4th floor. REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT THE CEILING, IN THE 1st BATHROOM FROM NORTH LOCATED AT APT 4F, 4th STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 4F), issued 2026-09-30. HPD violation 19256000
- Class B: Floor or stair defect (hallway). , 2007 ADM CODE REMOVE ALL ENCUMBRANCES CONSISTING OF LADDER FREE STANDING AT THE LANDING FLOOR, AT 1st PUBLIC HALL BULKHEAD FROM NORTH, 4th STORY, issued 2026-09-30. HPD violation 19256002
- Class B: Items blocking a hallway or exit (hallway). , 2007 ADM CODE REMOVE ALL ENCUMBRANCES CONSISTING OF HOUSEHOLD ITEMS AT PUBLIC HALL, 1st STORY, issued 2017-09-05. HPD violation 11955310
- Class B: Damaged plaster or paint, 4th floor. REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR THE NORTH WALL IN THE PRIVATE HALLWAY LOCATED AT APT 4F, 4th STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 4F), issued 2017-07-07. HPD violation 11861130
- Class B: Self-closing door not working, 1st floor. , 27-2007, 27-2041.1 HMC: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE ... IN THE ENTRANCE LOCATED AT APT 1R, 1st STORY, 1st APARTMENT FROM NORTH AT EAST (apt 1R), issued 2017-07-07. HPD violation 11861154
311 housing complaints
3 in the last 12 months, 3 in 5 years. Most common: Heat/Hot Water (1), Paint/Plaster (1), Water Leak (1).
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: No bedbug filing on record for this year
- 2022: Owner reported 0 infested units
- 2021: Owner reported 0 infested units
Buildings department (DOB)
2 open DOB violations, 1 of them Local Law violations issued before 2000. 5 DOB violations on record. Check on DOB BIS.
Evictions and housing court
0 executed evictions in the last 3 years (0 on record). 0 open HPD cases; 0 harassment findings.
Rent stabilization
No rent-stabilized units on the tax bill.
Owner and management
Owner: DEAN NY PROPERTIES LLC. Head officer: YOSEF EMERGI. Managing agent: SUPERIOR HOME PROPERTY MGMT. This owner has 45 buildings on record, 9 graded D or F. See the full portfolio.
Last HPD registration Nov 1, 2025. Registration on file through Sep 1, 2026; renewal not yet in the city's data.
Tax lot and city IDs
BBL 3011280080, HPD building ID 231357. HPD Online, ACRIS, DOB BIS.
Nearest subway
- Bergen St (2, 3), 2 min walk
- Atlantic Av-Barclays Ctr (B, Q), 6 min walk
- Atlantic Av-Barclays Ctr (2, 3, 4, 5), 6 min walk
How the grade is calculated
| Factor | On record | Points |
|---|---|---|
| Open HPD violations | 14 open (1 class C, 10 class B, 3 class A). 4 rent-impairing | −40 |
| 311 housing complaints (12 mo) | 3 | −14 |
| Bedbug reports (3 yr) | None reported | 0 |
| Executed evictions (3 yr) | None | 0 |
| Housing litigation | No open cases | 0 |
| Open DOB violations | 2 open DOB violations, 1 of them Local Law violations issued before 2000 | −3 |
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 2026-10-28.