424 Amsterdam Avenue

424 Amsterdam Avenue in Upper West Side, Manhattan, has 33 open HPD violations, 12 of them class C, and no rent-stabilized units are on its tax bill, as of Oct 26, 2026. StreetSpy grade: D (52/100).

Multi-family walk-up · 8 units · Built 1891

StreetSpy grade: D (Poor, 52/100)

• 12 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 has 5 buildings on record; 3 graded D or F.

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

• Repairs: High (33 open, 12 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: Medium (2 open DOB violations), records as of Oct 26, 2026
• Registration: Renewal not yet in city data, records as of Oct 3, 2026

How the grade works

Housing code violations (HPD)

33 open violations: 12 class C (immediately hazardous), 19 class B, 2 class A. 0 issued in the last 12 months. 77 on record. Oldest open violation issued 2004-08-18. Newest violation issued 2022-02-15. No new HPD violation has been issued here since 2022. Most of the open count is older violations that were never closed.

HPD recorded no violation closed here 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: Door, lock or intercom defect, 5th floor. , 2007 ADM CODE REMOVE THE ILLEGAL FASTENING CHAIN AND PADLOCK INSTALLED ON APT. DOOR IN THE ENTRANCE LOCATED AT APT 5S, 5th STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 5S), issued 2021-07-21. HPD violation 5140727
• Class C: Roaches, throughout the apartment, 5th floor. HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 5S, 5th STORY, 1st APARTMENT FROM WEST AT NORTH (apt 5S), issued 2019-09-12. HPD violation 13271494
• Class C: Mice, throughout the apartment, 5th floor. HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 5S, 5th STORY, 1st APARTMENT FROM WEST AT NORTH (apt 5S), issued 2019-09-12. HPD violation 13271491
• Class C: Lead paint hazard, 1st radiator from the north, east wall, 1st room from the east, 3rd floor. - CORRECT THE LEAD-BASED PAINT HAZARD - PAINT THAT TESTED POSITIVE FOR LEAD CONTENT AND THAT IS PEELING OR ON A DETERIORATED SUBSURFACE - USING WORK PRACTICES SET FORTH IN 28 RCNY §11-06(B)(2) 1st RADIATOR FROM NORTH AT EAST WALL IN THE 1st ROOM FROM EAST LOCATED AT APT 3S, 3rd STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 3S), issued 2006-10-03. HPD violation 6396062
• Class C: Lead paint hazard, 1st window frame from the south, west wall, 4th room from the east, 3rd floor. - CORRECT THE LEAD-BASED PAINT HAZARD - PAINT THAT TESTED POSITIVE FOR LEAD CONTENT AND THAT IS PEELING OR ON A DETERIORATED SUBSURFACE - USING WORK PRACTICES SET FORTH IN 28 RCNY §11-06(B)(2) 1st WINDOW FRAME FROM SOUTH AT WEST WALL IN THE 4th ROOM FROM EAST LOCATED AT APT 3S, 3rd STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 3S), issued 2006-10-03. HPD violation 6396063
• Class C: Lead paint hazard, bathroom, 3rd floor. - CORRECT THE LEAD-BASED PAINT HAZARD - PRESUMED LEAD PAINT THAT IS PEELING OR ON A DETERIORATED SUBSURFACE USING WORK PRACTICES SET FORTH IN 28 RCNY §11-06(B)(2) CEILING, NORTH WALL, WEST WALL IN THE BATHROOM LOCATED AT APT 3S, 3rd STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 3S), issued 2004-12-07. HPD violation 5236007
• Class C: Lead paint hazard, bathroom, 3rd floor. - CORRECT THE LEAD-BASED PAINT HAZARD - PRESUMED LEAD PAINT THAT IS PEELING OR ON A DETERIORATED SUBSURFACE USING WORK PRACTICES SET FORTH IN 28 RCNY §11-06(B)(2) CEILING, NORTH WALL, WEST WALL IN THE BATHROOM LOCATED AT APT 33S, 3rd STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 33S), issued 2004-11-23. HPD violation 5212379
• Class C: Lead paint hazard, kitchen, 3rd floor. - CORRECT THE LEAD-BASED PAINT HAZARD - PAINT THAT TESTED POSITIVE FOR LEAD CONTENT AND THAT IS PEELING OR ON A DETERIORATED SUBSURFACE - USING WORK PRACTICES SET FORTH IN 28 RCNY §11-06(B)(2) SOUTH WALL IN THE KITCHEN LOCATED AT APT 3S, 3rd STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 3S), issued 2004-11-10. HPD violation 5189736

311 housing complaints

0 in the last 12 months, 10 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: Owner reported 0 infested units

Buildings department (DOB)

2 open DOB violations. 6 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.

Rent-stabilized units on city tax bills: 0 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: 420-428 AMSTERDAM LLC. Head officer: MATT COHEN. Managing agent: SALON REALTY CORP. This owner has 5 buildings on record, 3 graded D or F. See the full portfolio.

Last HPD registration Aug 22, 2025. Registration on file through Sep 1, 2026; renewal not yet in the city's data.

Tax lot and city IDs

BBL 1012280031, HPD building ID 5922. HPD Online, ACRIS, DOB BIS.

Nearest subway

• 79 St (1), 2 min walk
• 86 St (1), 6 min walk
• 81 St-Museum of Natural History (C, B), 7 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.