261 20th Street
261 20th Street in Sunset Park, Brooklyn, has 40 open HPD violations, 4 of them class C, and no rent-stabilized units are on its tax bill, as of Oct 26, 2026. StreetSpy grade: F (42/100).
Multi-family walk-up · 6 units · Built 1931
StreetSpy grade: F (Severe, 42/100)
- 4 immediately hazardous violations open (the class that covers no heat, pests, lead paint and similar).
- 2 open violations are classified rent-impairing under NY Multiple Dwelling Law section 302-a.
- The head officer on this registration is named on 5 buildings' registrations; 3 graded D or F.
More open violations per unit than 9 in 10 Brooklyn buildings this size.
- Repairs: High (40 open, 4 class C), records as of Oct 26, 2026
- Heat and hot water: No complaints, 12 mo, records as of Oct 25, 2026
- Pests: Clear (No bedbug filing, 3 yr), records as of Oct 28, 2026
- Safety: High (6 open DOB violations), records as of Oct 26, 2026
- Registration: Through Sep 1, 2027, records as of Oct 3, 2026
Housing code violations (HPD)
40 open violations: 4 class C (immediately hazardous), 16 class B, 20 class A. 1 issued in the last 12 months. 49 on record. Oldest open violation issued 2007-12-26. Newest violation issued 2026-05-01.
HPD recorded no violation closed here in the last 12 months.
2 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, throughout the apartment, 2nd floor. PROVIDE AN ADEQUATE SUPPLY OF HEAT FOR THE APARTMENT IN THE ENTIRE APARTMENT LOCATED AT APT 2R, 2nd STORY, 2nd APARTMENT FROM WEST AT NORTH (apt 2R), issued 2023-03-01. HPD violation 15748162
- Class C: No heat / heating defect (hallway). POST NOTICE, IN FORM APPROVED BY THE DEPARTMENT, STATING THE NAME AND LOCATION OF THE PERSON DESIGNATED BY THE OWNER TO HAVE KEY TO BUILDINGS HEATING SYSTEM MISSING AT PUBLIC HALL, 1st STORY, issued 2023-03-01. HPD violation 15748166
- Class C: No heat / heating defect (basement). D26-17.10 ADM CODE PROVIDE READY ACCESS TO BUILDING'S HEATING SYSTEM CELLAR DOOR LOCKED., issued 2008-06-03. HPD violation 1010611
- Class C: No heat / heating defect (hallway). 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 PUBLIC HALL AND ON BOILER ROOM DOOR., issued 2008-06-03. HPD violation 1010610
- Class B: No heat / heating defect, radiator on the west wall, 1st room from the east, 2nd floor. PROPERLY REPAIR THE BROKEN OR DEFECTIVE RADIATOR AT WEST WALL IN THE 1st ROOM FROM EAST LOCATED AT APT 2R, 2nd STORY, 1st APARTMENT FROM NORTH AT EAST (apt 2R), issued 2013-02-01. HPD violation 9720989
- Class B: Missing or broken smoke / CO detector, 2nd floor. REPAIR OR REPLACE THE SMOKE DETECTOR MISSING LOCATED AT APT 2R, 2nd STORY, 1st APARTMENT FROM NORTH AT EAST (apt 2R), issued 2013-02-01. HPD violation 9720988
- Class B: Missing or broken smoke / CO detector, 2nd floor. SECTION 27-2046.1, 2046.2 HMC: PROVIDE AN APPROVED AND OPERATIONAL CARBON MONOXIDE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH APPLICABLE LAW AND RULES. LOCATED AT APT 2R, 2nd STORY, 1st APARTMENT FROM NORTH AT EAST (apt 2R), issued 2013-02-01. HPD violation 9720987
- Class B: Floor or stair defect (hallway). PROPERLY SECURE THE LOOSE BANISTER AND BALUSTRADES AT ALL STORIES AT PUBLIC HALL STAIRS, issued 2010-05-05. HPD violation 8404178
311 housing complaints
1 in the last 12 months, 3 in 5 years. Most common: Door/Window (1).
Bedbugs
No bedbug filing on record for the last 3 years. 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: No bedbug filing on record for this year
- 2024: No bedbug filing on record for this year
- 2023: No bedbug filing on record for this year
- 2022: No bedbug filing on record for this year
- 2021: No bedbug filing on record for this year
Buildings department (DOB)
6 open DOB violations, 3 of them Local Law violations issued before 2000. 8 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: JON L WONBG. Head officer: JON WONG. Managing agent: JLW PROPERTIES MANAGEMENT. This owner has 5 buildings on record, 3 graded D or F. See the full portfolio.
Last HPD registration Jul 29, 2026, valid through Sep 1, 2027.
Tax lot and city IDs
BBL 3008850067, HPD building ID 145033. HPD Online, ACRIS, DOB BIS.
Nearest subway
- Prospect Av (R), 5 min walk
- 25 St (R), 7 min walk
- 4 Av-9 St (F, G), 12 min walk
How the grade is calculated
| Factor | On record | Points |
|---|---|---|
| Open HPD violations | 40 open (4 class C, 16 class B, 20 class A). 2 rent-impairing | −45 |
| 311 housing complaints (12 mo) | 1 | −8 |
| Bedbug reports (3 yr) | None reported | 0 |
| Executed evictions (3 yr) | None | 0 |
| Housing litigation | No open cases | 0 |
| Open DOB violations | 6 open DOB violations, 3 of them Local Law violations issued before 2000 | −5 |
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.