621 West 51st Street

621 West 51st Street in Hell's Kitchen, Manhattan, has 39 open HPD violations, 5 of them class C, and no rent-stabilized units are on its tax bill, as of Oct 26, 2026. StreetSpy grade: D (55/100).

Multi-family walk-up · 8 units · Built 1901

StreetSpy grade: D (Poor, 55/100)

• 5 immediately hazardous violations open (the class that covers no heat, pests, lead paint and similar).
• Had 8 rent-stabilized units on the 2007 tax bill and none on the latest one; ask how the apartment left stabilization.
• No housing complaints to 311 in the last 12 months.

More open violations per unit than 8 in 10 Manhattan buildings this size.

• Repairs: High (39 open, 5 class C), records as of Oct 26, 2026
• Heat and hot water: No complaints, 12 mo, records as of Oct 25, 2026
• Pests: Clear (No bedbug filing, 3 yr), records as of Oct 28, 2026
• Safety: High (3 open DOB violations), records as of Oct 26, 2026
• Registration: Expired Sep 1, 2023, records as of Oct 3, 2026

How the grade works

Housing code violations (HPD)

39 open violations: 5 class C (immediately hazardous), 16 class B, 18 class A. 1 issued in the last 12 months. 53 on record. Oldest open violation issued 1990-06-19. Newest violation issued 2026-04-29.

HPD recorded no violation closed here in the last 12 months.

• Class C: Self-closing door not working, 3rd floor. , 2041.1 HMC: §238 MDL and 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING THE DOORS THAT IS MISSING OR DEFECTIVE HINGES IN THE ENTRANCE LOCATED AT APT 2W, 3rd STORY, 1st APARTMENT FROM NORTH AT EAST (apt 2W), issued 2025-06-17. HPD violation 18035549
• 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 2W, 3rd STORY, 1st APARTMENT FROM WEST AT NORTH (apt 2W), issued 2024-07-22. HPD violation 17119561
• Class C: Self-closing door not working, 1st 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 SPRING HINGES IN THE ENTRANCE LOCATED AT APT 1W, 1st STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 1W), issued 2023-06-07. HPD violation 16022610
• Class C: Damaged plaster or paint, ceiling, bathroom, 2nd floor. REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT THE CEILING IN THE BATHROOM LOCATED AT APT 2W, 2nd STORY, 1st APARTMENT FROM WEST AT NORTH (apt 2W), issued 2023-02-16. HPD violation 15723411
• Class C: No heat / heating defect (hallway). POST NOTICE, IN FORM APPROVED BY THE DEPARTMENT, STATING THE NAME AND LOCATION OF THE PERSON DESIGNATED BY THE OWNER TO HAVE KEY TO BUILDINGS HEATING SYSTEM AT OR NEAR MAILBOX AT PUBLIC HALL, 1st STORY, issued 2020-07-28. HPD violation 13688365
• Class B: Mold, ceiling, bathroom, 3rd floor. HMC: TRACE AND REPAIR THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... LESS THAN 10 SQUARE FEET AT CEILING IN THE BATHROOM LOCATED AT APT 2W, 3rd STORY, 1st APARTMENT FROM WEST AT NORTH ORIGINAL VIOLATION 17119560 ISSUED 17-JUL-24 HAS BEEN UPGRADED TO CLASS B PER ADMINISTRATIVE CODE §27-2017.3a(3)(a) or (b). (apt 2W), issued 2024-11-19. HPD violation 17435852
• Class B: Plumbing defect, bathroom, 3rd floor. PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE PORCELAIN ENAMEL BY METHOD OF REGLAZING AT SHOWER STALL IN THE BATHROOM LOCATED AT APT 2W, 3rd STORY, 1st APARTMENT FROM WEST AT NORTH (apt 2W), issued 2024-07-22. HPD violation 17119563
• Class B: Plumbing defect, bathroom, 3rd floor. PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE CAULKING AROUND SHOWER STALL IN THE BATHROOM LOCATED AT APT 2W, 3rd STORY, 1st APARTMENT FROM WEST AT NORTH (apt 2W), issued 2024-07-22. HPD violation 17119564

311 housing complaints

0 in the last 12 months, 15 in 5 years.

Bedbugs

No bedbug filing on record for the last 3 years. 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: No bedbug filing on record for this year
• 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)

3 open DOB violations, all 3 Local Law violations issued before 2000. 3 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: KEY 621 WEST 51ST STREET REALTY COMPANY. Head officer: IRVING SCHLUSSEL. Managing agent: KAREN SCHLUSSEL ADLER. See the full portfolio.

Last HPD registration Jul 8, 2022. HPD registration expired Sep 1, 2023 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 1010990020, HPD building ID 33925. HPD Online, ACRIS, DOB BIS.

Nearest subway

• 50 St (C, E), 12 min walk
• 59 St-Columbus Circle (1), 14 min walk
• 50 St (1), 14 min walk

How the grade is calculated

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.