420 Amsterdam Avenue

420 Amsterdam Avenue in Upper West Side, Manhattan, has 20 open HPD violations, 2 of them class C, and 6 of 8 units are rent-stabilized, as of Oct 26, 2026. StreetSpy grade: F (32/100).

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

StreetSpy grade: F (Severe, 32/100)

• 2 immediately hazardous violations 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.
• 20 heat or hot water complaints to 311 in the last 12 months.
• 6 of 8 units are rent-stabilized; 7 on the 2007 tax bill.

More open violations per unit than 7 in 10 Manhattan buildings this size.

• Repairs: High (20 open, 2 class C), records as of Oct 26, 2026
• Heat and hot water: 20 complaints, 12 mo, records as of Oct 25, 2026
• Pests: Clear (Owner reported none, 3 yr), records as of Oct 28, 2026
• Safety: Medium (1 open DOB violation), 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)

20 open violations: 2 class C (immediately hazardous), 15 class B, 3 class A. 34 issued in the last 12 months. 164 on record. Oldest open violation issued 2020-02-03. Newest violation issued 2026-07-20.

10 closed in the last 90 days. Median 89 days from issue to close for the 36 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: 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 3W, 3rd STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 3W), issued 2021-10-01. HPD violation 14591422
• Class C: Damaged plaster or paint, ceiling, 3rd room from the east, 3rd floor. REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR THE CEILING IN THE 3rd ROOM FROM EAST AT NORTH LOCATED AT APT 3W, 3rd STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 3W), issued 2020-02-04. HPD violation 13532695
• Class B: Leak or water damage, 1st room from the east, 3rd floor. , 2027 HMC: PROPERLY REPAIR THE SOURCE AND ABATE THE EVIDENCE OF A WATER LEAK AT THE CILLING IN THE 1st ROOM FROM EAST AT NORTH LOCATED AT APT 3W, 3rd STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 3W), issued 2023-04-21. HPD violation 15936499
• Class B: Damaged plaster or paint, ceiling, 1st room from the east, 3rd floor. REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR THE CEILING IN THE 1st ROOM FROM EAST AT NORTH LOCATED AT APT 3W, 3rd STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 3W), issued 2023-04-21. HPD violation 15936500
• Class B: Leak or water damage, ceiling, 3rd room from the east, 3rd floor. , 2027 HMC: PROPERLY REPAIR THE SOURCE AND ABATE THE EVIDENCE OF A WATER LEAK AT CEILING IN THE 3rd ROOM FROM EAST AT NORTH LOCATED AT APT 3W, 3rd STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 3W), issued 2023-04-07. HPD violation 15907015
• Class B: Plumbing defect, bathroom, 3rd floor. REPAIR THE BROKEN OR DEFECTIVE CONNECTION MECHANICAL STOPPER AT BATHTUB IN THE BATHROOM LOCATED AT APT 3W, 3rd STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 3W), issued 2022-03-07. HPD violation 14969857
• Class B: Leak or water damage, ceiling, 3rd room from the east, 3rd floor. , 2027 HMC: PROPERLY REPAIR THE SOURCE AND ABATE THE EVIDENCE OF A WATER LEAK AT CEILING IN THE 3rd ROOM FROM EAST AT NORTH LOCATED AT APT 3W, 3rd STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 3W), issued 2022-03-07. HPD violation 14969855
• Class B: Damaged plaster or paint, ceiling, 3rd room from the east, 3rd floor. REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT CEILING IN THE 3rd ROOM FROM EAST AT NORTH LOCATED AT APT 3W, 3rd STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 3W), issued 2022-03-07. HPD violation 14969856

311 housing complaints

38 in the last 12 months, 85 in 5 years. Most common: Heat/Hot Water (20), Paint/Plaster (10), Unsanitary Condition (5), Door/Window (2), Plumbing (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)

1 open DOB violation. 2 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

6 of 8 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: 6 in 2024, 7 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: ZUZU AGHRAVI. 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 1012280029, HPD building ID 5918. HPD Online, ACRIS, DOB BIS.

Nearest subway

• 79 St (1), 2 min walk
• 86 St (1), 7 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.