521 West 23rd Street
521 West 23rd Street in Chelsea, Manhattan, has 31 open HPD violations, 7 of them class C, and no rent-stabilized units are on its tax bill, as of Oct 26, 2026. StreetSpy grade: F (35/100).
Mixed residential & commercial · 7 units · Built 1914
StreetSpy grade: F (Severe, 35/100)
- 7 immediately hazardous violations open (the class that covers no heat, pests, lead paint and similar).
- 1 open violation is classified rent-impairing under NY Multiple Dwelling Law section 302-a.
- The owner's bedbug filings report no infested units in the last 3 years.
- No rent-stabilized units on the tax bill. Increases aren't capped by stabilization, though Good Cause Eviction may still limit them.
- Repairs: High (31 open, 7 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 28, 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)
31 open violations: 7 class C (immediately hazardous), 14 class B, 10 class A. 17 issued in the last 12 months. 42 on record. Oldest open violation issued 2009-08-13. Newest violation issued 2026-10-20.
2 closed in the last 90 days. Median 110 days from issue to close for the 2 violations closed in the last 12 months.
1 open violation is classified rent-impairing under NY Multiple Dwelling Law section 302-a. Section 302-a; NY Courts guidance on getting repairs.
- Class C: Roaches, throughout the apartment, 3rd floor. HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 3R, 3rd STORY, 1st APARTMENT FROM WEST AT NORTH (apt 3R), issued 2026-06-22. HPD violation 19020512
- Class C: Mice, throughout the apartment, 3rd floor. HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 3R, 3rd STORY, 1st APARTMENT FROM WEST AT NORTH (apt 3R), issued 2026-06-22. HPD violation 19020511
- Class C: Self-closing door not working, 3rd floor. , 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE HINGES AT SECONDARY EGRESS AT DOOR LEADING TO PUBLIC HALL IN THE PRIVATE HALLWAY LOCATED AT APT 3R, 3rd STORY, 1st APARTMENT FROM WEST AT NORTH (apt 3R), issued 2025-05-13. HPD violation 17884860
- Class C: Self-closing door not working, 3rd floor. , 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE HINGES IN THE ENTRANCE LOCATED AT APT 3R, 3rd STORY, 1st APARTMENT FROM WEST AT NORTH (apt 3R), issued 2025-05-13. HPD violation 17884859
- Class C: Roaches, throughout the apartment, 3rd floor. HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 3R, 3rd STORY, 1st APARTMENT FROM WEST AT NORTH (apt 3R), issued 2025-05-12. HPD violation 17884856
- Class C: Mice, throughout the apartment, 3rd floor. HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 3R, 3rd STORY, 1st APARTMENT FROM WEST AT NORTH (apt 3R), issued 2025-05-12. HPD violation 17884858
- Class C: Gas defect, kitchen, 9th floor. PROVIDE AN ADEQUATE SUPPLY OF GAS TO THE FIXTURES AT RANGE IN THE KITCHEN LOCATED AT APT 9, 9th STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 9), issued 2024-05-01. HPD violation 16936560
- Class B: Mold, ceiling, 2nd room from the east, 3rd floor. HMC: TRACE AND REPAIR THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... LESS THEN 10SQFEET AT CEILING IN THE 2nd ROOM FROM EAST LOCATED AT APT 3R, 3rd STORY, 1st APARTMENT FROM WEST AT NORTH ORIGINAL VIOLATION 19020506 ISSUED 20-JUN-26 HAS BEEN UPGRADED TO CLASS B PER ADMINISTRATIVE CODE 27-2017.3a(3)(a) or (b). (apt 3R), issued 2026-10-20. HPD violation 19316803
311 housing complaints
7 in the last 12 months, 17 in 5 years. Most common: Unsanitary Condition (3), Paint/Plaster (2), Door/Window (1), Water Leak (1).
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: 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 (0 on record). 0 open HPD cases; 0 harassment findings.
Rent stabilization
No rent-stabilized units on the tax bill.
Owner and management
Owner: ARTISTS CONDOMINIUM. Head officer: WILLIAM D HARRA. Managing agent: ARTIST CONDOMINIUM. See the full portfolio.
Last HPD registration Jul 23, 2026, valid through Sep 1, 2027.
Tax lot and city IDs
BBL 1006957502, HPD building ID 31537. HPD Online, ACRIS, DOB BIS.
Nearest subway
- 23 St (C, E), 8 min walk
- 14 St (A, C, E), 11 min walk
- 34 St-Hudson Yards (7), 11 min walk
How the grade is calculated
| Factor | On record | Points |
|---|---|---|
| Open HPD violations | 31 open (7 class C, 14 class B, 10 class A). 1 rent-impairing | −45 |
| 311 housing complaints (12 mo) | 7 | −20 |
| 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.