340 21st Street
340 21st Street in Sunset Park, Brooklyn, has 13 open HPD violations, and 8 of 8 units are rent-stabilized, as of Oct 26, 2026. StreetSpy grade: C (65/100).
Multi-family walk-up · 8 units · Built 1931
StreetSpy grade: C (Fair, 65/100)
- 13 open housing violations, none in the most serious class.
- No housing complaints to 311 in the last 12 months.
- The owner's bedbug filings report no infested units in the last 3 years.
- 8 of 8 units are rent-stabilized.
More open violations per unit than 6 in 10 Brooklyn buildings this size.
- Repairs: High (13 open), records as of Oct 26, 2026
- Heat and hot water: No complaints, 12 mo, records as of Oct 25, 2026
- Pests: Clear (Owner reported none, 3 yr), records as of Oct 28, 2026
- Safety: Clear (No open DOB violations), records as of Oct 26, 2026
- Registration: Expired Sep 1, 2025, records as of Oct 3, 2026
Housing code violations (HPD)
13 open violations: 0 class C (immediately hazardous), 9 class B, 3 class A, 1 class I (HPD orders such as lead paint or heat orders, not a hazard class). 1 issued in the last 12 months. 58 on record. Oldest open violation issued 1989-01-03. Newest violation issued 2026-05-01.
HPD recorded no violation closed here in the last 12 months.
- Class B: Damaged plaster or paint, south wall. PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE STUCCO AT SOUTH WALL OF THE BUILDING , 1st STORY, issued 2025-03-11. HPD violation 17753761
- Class B: Missing or broken smoke / CO detector, throughout the apartment, 2nd floor. , 2046.2 HMC: PROVIDE AN APPROVED AND OPERATIONAL CARBON MONOXIDE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH APPLICABLE LAW AND RULES. IN THE ENTIRE APARTMENT LOCATED AT APT 3, 2nd STORY (apt 3), issued 2025-03-11. HPD violation 17753740
- Class B: Missing or broken smoke / CO detector, throughout the apartment, 4th floor. REPAIR OR REPLACE THE SMOKE DETECTOR DEFECTIVE IN THE ENTIRE APARTMENT LOCATED AT APT 8, 4th STORY (apt 8), issued 2025-03-11. HPD violation 17753746
- Class B: Missing or broken smoke / CO detector, throughout the apartment, 2nd floor. REPAIR OR REPLACE THE SMOKE DETECTOR DEFECTIVE IN THE ENTIRE APARTMENT LOCATED AT APT 3, 2nd STORY (apt 3), issued 2025-03-11. HPD violation 17753739
- Class B: Door, lock or intercom defect, 4th floor. PROPERLY REPAIR THE BROKEN OR DEFECTIVE DOOR LOCK IN THE ENTRANCE LOCATED AT APT 8, 4th STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 8), issued 2007-05-11. HPD violation 6734155
- Class B: Yard or exterior defect (exterior). PROPERLY REPAIR THE BROKEN OR DEFECTIVE PAVING AT REAR YARD, issued 2007-05-11. HPD violation 6734268
- Class B: Floor or stair defect, throughout the apartment, 3rd floor. PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE WOOD FLOOR ALL ROOMS IN THE ENTIRE APARTMENT LOCATED AT APT 6, 3rd STORY, APARTMENT AT SOUTH (apt 6), issued 2005-07-26. HPD violation 5616141
- Class B: Damaged plaster or paint, kitchen, 2nd floor. PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE METAL CEILING IN THE KITCHEN LOCATED AT APT 3, 2nd STORY, 2nd APARTMENT FROM EAST AT SOUTH (apt 3), issued 2002-06-05. HPD violation 4228027
311 housing complaints
0 in the last 12 months, 0 in 5 years.
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: 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)
No open DOB violations. 0 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
8 of 8 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).
Owner and management
Owner: 340 REALTY LLC. Head officer: MEIR KOHN. Managing agent: 340 REALTY. This owner has 2 buildings on record, 0 graded D or F. See the full portfolio.
Last HPD registration Sep 28, 2024. HPD registration expired Sep 1, 2025 and had not been renewed as of Oct 3, 2026. Buildings with 3+ units must register with HPD every year.
Tax lot and city IDs
BBL 3008980032, HPD building ID 145622. HPD Online, ACRIS, DOB BIS.
Nearest subway
- 25 St (R), 9 min walk
- Prospect Av (R), 9 min walk
- 15 St-Prospect Park (F, G), 11 min walk
How the grade is calculated
| Factor | On record | Points |
|---|---|---|
| Open HPD violations | 13 open (9 class B, 3 class A, 1 class I) | −35 |
| 311 housing complaints (12 mo) | None | 0 |
| Bedbug reports (3 yr) | None reported | 0 |
| Executed evictions (3 yr) | None | 0 |
| Housing litigation | No open cases | 0 |
| Open DOB violations | None | 0 |
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.