171 Greenpoint Avenue
171 Greenpoint Avenue in Greenpoint, Brooklyn, has 11 open HPD violations, 1 of them class C, and 12 of 8 units are rent-stabilized, as of Oct 25, 2026. StreetSpy grade: D (60/100).
Multi-family walk-up · 8 units · Built 1928
StreetSpy grade: D (Poor, 60/100)
- 1 immediately hazardous violation 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.
- No housing complaints to 311 in the last 12 months.
- 12 of 8 units are rent-stabilized; 10 on the 2007 tax bill.
More open violations per unit than 6 in 10 Brooklyn buildings this size.
- Repairs: High (11 open, 1 class C), records as of Oct 25, 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 27, 2026
- Safety: Clear (No open DOB violations), records as of Oct 23, 2026
- Registration: Renewal not yet in city data, records as of Oct 3, 2026
Housing code violations (HPD)
11 open violations: 1 class C (immediately hazardous), 7 class B, 3 class A. 0 issued in the last 12 months. 34 on record. Oldest open violation issued 2015-10-26. Newest violation issued 2023-03-29. No new HPD violation has been issued here since 2023. Most of the open count is older violations that were never closed.
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, kitchen, 4th floor. REPLACE WITH NEW THE MISSING CAP AT RADIATOR CONTROL VALVE AT STEAM RISER IN THE KITCHEN LOCATED AT APT 4L, 4th STORY, 1st APARTMENT FROM WEST AT NORTH (apt 4L), issued 2015-10-26. HPD violation 10978622
- Class B: Damaged plaster or paint, east wall, 3rd room from the north, 4th floor. REPLACE WITH NEW THE MISSING SWITCH COVER AT EAST WALL IN THE 3rd ROOM FROM NORTH LOCATED AT APT 4L, 4th STORY, 1st APARTMENT FROM WEST AT NORTH (apt 4L), issued 2015-10-26. HPD violation 10978644
- Class B: Missing or broken smoke / CO detector, 4th floor. SECTION 27-2046.1 HMC: REPAIR OR REPLACE THE CARBON MONOXIDE DETECTING DEVICE(S). MISSING LOCATED AT APT 4L, 4th STORY, 1st APARTMENT FROM WEST AT NORTH (apt 4L), issued 2015-10-26. HPD violation 10978638
- Class B: Damaged plaster or paint, south wall, 1st room from the north, 4th floor. REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT SOUTH WALL IN THE 1st ROOM FROM NORTH LOCATED AT APT 4L, 4th STORY, 1st APARTMENT FROM WEST AT NORTH (apt 4L), issued 2015-10-26. HPD violation 10978640
- Class B: Door, lock or intercom defect, 4th floor. PROPERLY REPAIR THE BROKEN OR DEFECTIVE BELL, BUZZER LOCATED AT APT 4L, 4th STORY, 1st APARTMENT FROM WEST AT NORTH (apt 4L), issued 2015-10-26. HPD violation 10978601
- Class B: Plumbing defect, bathroom, 4th floor. REPAIR THE FLUSHING APPARATUS AND MAINTAIN SAME SO AS TO FLUSH EFFECTIVELY THE WATER CLOSET ..... IN THE BATHROOM LOCATED AT APT 4L, 4th STORY, 1st APARTMENT FROM WEST AT NORTH (apt 4L), issued 2015-10-26. HPD violation 10978613
- Class B: Leak or water damage, ceiling, 4th room from the north, 4th floor. REPAIR THE ROOF SO THAT IT WILL NOT LEAK AT CEILING IN THE 4th ROOM FROM NORTH LOCATED AT APT 4L, 4th STORY, 1st APARTMENT FROM WEST AT NORTH (apt 4L), issued 2015-10-26. HPD violation 10978628
- Class B: Missing or broken smoke / CO detector, 4th floor. REPAIR OR REPLACE THE SMOKE DETECTOR DEFECTIVE LOCATED AT APT 4L, 4th STORY, 1st APARTMENT FROM WEST AT NORTH (apt 4L), issued 2015-10-26. HPD violation 10978634
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: 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)
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 (1 on record). 0 open HPD cases; 0 harassment findings.
Rent stabilization
12 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).
Rent-stabilized units on city tax bills: 12 in 2024, 10 in 2007. Source: DOF tax bills for 2007 and 2024; years with no bill on file are left out.
Owner and management
Owner: 171 GREENPOINT LLC. Head officer: ARTHUR OSTAFIN. Managing agent: AO MGMT LLC. See the full portfolio.
Last HPD registration Sep 24, 2025. Registration on file through Sep 1, 2026; renewal not yet in the city's data.
Tax lot and city IDs
BBL 3025590048, HPD building ID 304749. HPD Online, ACRIS, DOB BIS.
Nearest subway
- Greenpoint Av (G), 2 min walk
- Nassau Av (G), 8 min walk
- Hunters Point Av (7), 17 min walk
How the grade is calculated
| Factor | On record | Points |
|---|---|---|
| Open HPD violations | 11 open (1 class C, 7 class B, 3 class A). 2 rent-impairing | −40 |
| 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.