473 Columbus Avenue
473 Columbus Avenue in Upper West Side, Manhattan, has 19 open HPD violations, 1 of them class C, and 4 of 16 units are rent-stabilized, as of Oct 25, 2026. StreetSpy grade: D (54/100).
Mixed residential & commercial · 16 units · Built 1886
StreetSpy grade: D (Poor, 54/100)
- 1 immediately hazardous violation open (the class that covers no heat, pests, lead paint and similar).
- 3 open violations are classified rent-impairing under NY Multiple Dwelling Law section 302-a.
- 7 heat or hot water complaints to 311 in the last 12 months.
- 4 of 16 units are rent-stabilized; 13 on the 2007 tax bill.
More open violations per unit than 7 in 10 Manhattan buildings this size.
- Repairs: High (19 open, 1 class C), records as of Oct 25, 2026
- Heat and hot water: 7 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: Through Sep 1, 2027, records as of Oct 3, 2026
Housing code violations (HPD)
19 open violations: 1 class C (immediately hazardous), 11 class B, 7 class A. 1 issued in the last 12 months. 48 on record. Oldest open violation issued 1991-09-24. Newest violation issued 2026-05-05.
0 closed in the last 90 days. Median 43 days from issue to close for the 1 violations closed in the last 12 months.
3 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: Self-closing door not working, 2nd floor. , 27-2007, 27-2041.1 HMC: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE HINGES IN THE ENTRANCE LOCATED AT APT 1A, 2nd STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 1A), issued 2023-01-06. HPD violation 15647369
- Class B: Garbage not removed (hallway). , 2007 ADM CODE REMOVE ALL ENCUMBRANCES CONSISTING OF GARBAGE CANS AT PUBLIC HALL, 1st STORY, issued 2023-06-22. HPD violation 16047432
- Class B: Garbage not removed (basement). , 2011, 2012 ADM CODE REMOVE THE ACCUMULATION OF REFUSE AND/OR RUBBISH AND MAINTAIN IN A CLEAN CONDITION THE GARBAGE BAGS AND CONSTRUCTION MATERIALS AT BASEMENT, issued 2023-06-20. HPD violation 16047433
- Class B: Garbage not removed (hallway). , 2007 ADM CODE REMOVE ALL ENCUMBRANCES CONSISTING OF GARBAGE CANS 1 STY PUBLIC HALL REAR., issued 2008-06-26. HPD violation 2450730
- Class B: Garbage not removed (basement). D26-11.01, 11.03, 11.05 ADM CODE REMOVE THE ACCUMULATION OF REFUSE AND/OR RUBBISH AND MAINTAIN IN A CLEAN CONDITION THE CELLAR THROUGHOUT., issued 2008-06-26. HPD violation 2450727
- Class B: Missing or broken smoke / CO detector, throughout the apartment, 1st 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 1D, 1st STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 1D), issued 2006-01-19. HPD violation 5952257
- Class B: Bedbugs, throughout the apartment, 1st floor. ABATE THE NUISANCE CONSISTING OF VERMIN BEDBUGS IN THE ENTIRE APARTMENT LOCATED AT APT 1D, 1st STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 1D), issued 2006-01-19. HPD violation 5952241
- Class B: Mice, throughout the apartment, 3rd floor. ABATE THE NUISANCE CONSISTING OF VERMIN MICE IN THE ENTIRE APARTMENT LOCATED AT APT 2D, 3rd STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 2D), issued 2005-03-23. HPD violation 5413765
311 housing complaints
7 in the last 12 months, 26 in 5 years. Most common: Heat/Hot Water (7).
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. 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
4 of 16 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: 4 in 2024, 13 in 2007. Source: DOF tax bills for 2007 and 2024; years with no bill on file are left out.
Owner and management
Owner: MIKAMOR 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 20, 2026, valid through Sep 1, 2027.
Tax lot and city IDs
BBL 1011960062, HPD building ID 9775. HPD Online, ACRIS, DOB BIS.
Nearest subway
- 81 St-Museum of Natural History (C, B), 4 min walk
- 86 St (C, B), 5 min walk
- 86 St (1), 7 min walk
How the grade is calculated
| Factor | On record | Points |
|---|---|---|
| Open HPD violations | 19 open (1 class C, 11 class B, 7 class A). 3 rent-impairing | −32 |
| 311 housing complaints (12 mo) | 7 | −14 |
| 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.