23 West 87th Street
23 West 87th Street in Upper West Side, Manhattan, has 5 open HPD violations, 1 of them class C, and 2 of 10 units are rent-stabilized, as of Oct 26, 2026. StreetSpy grade: C (77/100).
Multi-family walk-up · 10 units · Built 1892
StreetSpy grade: C (Fair, 77/100)
- 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.
- The head officer on this registration is named on 152 buildings' registrations; 46 graded D or F.
- 2 of 10 units are rent-stabilized.
More open violations per unit than 5 in 10 Manhattan buildings this size.
- Repairs: Medium (5 open, 1 class C), 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 27, 2026
- Safety: Clear (No open DOB violations), records as of Oct 26, 2026
- Registration: Through Sep 1, 2027, records as of Oct 3, 2026
Housing code violations (HPD)
5 open violations: 1 class C (immediately hazardous), 3 class B, 1 class A. 0 issued in the last 12 months. 16 on record. Oldest open violation issued 2014-08-19. Newest violation issued 2025-06-04.
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 hot water, throughout the apartment, 4th floor. PROVIDE HOT WATER AT ALL HOT WATER FIXTURES IN THE ENTIRE APARTMENT LOCATED AT APT 5F, 4th STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 5F), issued 2021-08-03. HPD violation 14445555
- Class B: Sprinkler or standpipe defect. PROVIDE A PIECE OF GARDEN HOSE 10 FEET IN LENGTH WITH FEMALE COUPLING AND A 10 QUART PAIL ON PREMISES TO TEST SPRINKLER SYSTEM., issued 2023-04-21. HPD violation 15941903
- Class B: Sprinkler or standpipe defect (basement). SEAL IN OPEN POSITION THE O.S.Y. VALVE OF THE SPRINKLER SYSTEM IN ACCORDANCE WITH THE RULES AND REGULATIONS OF THIS DEPARTMENT . AT CELLAR, issued 2022-05-02. HPD violation 15131579
- Class B: Roof defect (hallway). , 2007 ADM CODE FIRE EGRESS DEFECTIVE. MAKE STATIONARY THE IRON LADDER LEADING TO SCUTTLE OPENING IN ROOF AT PUBLIC HALL, 4th STORY, issued 2022-05-02. HPD violation 15131580
- Class A: Damaged plaster or paint, 1st room from the north, 4th floor. REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR THE WALLS AND CEILING IN THE 1st ROOM FROM NORTH AT EAST LOCATED AT APT 5R, 4th STORY, 1st APARTMENT FROM WEST AT NORTH (apt 5R), issued 2014-08-19. HPD violation 10349403
311 housing complaints
0 in the last 12 months, 15 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: Owner reported 0 infested units
- 2023: Owner reported 0 infested units
- 2022: Owner reported 0 infested units
- 2021: No bedbug filing on record for this year
Buildings department (DOB)
No open DOB violations. 1 DOB violation 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
2 of 10 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: 2 in 2024, 2 in 2007. Source: DOF tax bills for 2007 and 2024; years with no bill on file are left out.
Owner and management
Owner: 23 WEST 87TH LLC. Head officer: MAGDALENA KOSZ. Managing agent: A.J. CLARKE REAL ESTATE CORP. This owner has 152 buildings on record, 46 graded D or F. See the full portfolio.
Last HPD registration Jul 17, 2026, valid through Sep 1, 2027.
Tax lot and city IDs
BBL 1012010020, HPD building ID 36458. HPD Online, ACRIS, DOB BIS.
Nearest subway
- 86 St (C, B), 1 min walk
- 86 St (1), 7 min walk
- 81 St-Museum of Natural History (C, B), 8 min walk
How the grade is calculated
| Factor | On record | Points |
|---|---|---|
| Open HPD violations | 5 open (1 class C, 3 class B, 1 class A). 2 rent-impairing | −23 |
| 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.