170 Amsterdam Avenue

170 Amsterdam Avenue in Upper West Side, Manhattan, has 8 open HPD violations, 1 of them class C, and 236 of 236 units are rent-stabilized, as of Oct 24, 2026. StreetSpy grade: A (93/100).

Mixed residential & commercial · 236 units · Built 2016

StreetSpy grade: A (Excellent, 93/100)

• 1 immediately hazardous violation open (the class that covers no heat, pests, lead paint and similar).
• The owner's bedbug filings report no infested units in the last 3 years.
• The other 25 buildings registered to this head officer are all graded C or better.
• 236 of 236 units are rent-stabilized.

Fewer open violations per unit than 5 in 10 Manhattan buildings this size.

• Repairs: Low (8 open, 1 class C), records as of Oct 24, 2026
• Heat and hot water: 1 complaint, 12 mo, records as of Oct 23, 2026
• Pests: Clear (Owner reported none, 3 yr), records as of Oct 26, 2026
• Safety: Clear (No open DOB violations), records as of Oct 23, 2026
• Registration: Renewal not yet in city data, records as of Oct 3, 2026

How the grade works

Housing code violations (HPD)

8 open violations: 1 class C (immediately hazardous), 0 class B, 7 class A. 0 issued in the last 12 months. 21 on record. Oldest open violation issued 2024-10-07. Newest violation issued 2025-06-13.

0 closed in the last 90 days. Median 194 days from issue to close for the 1 violations closed in the last 12 months.

• 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 MISSING AT PUBLIC HALL, 1st STORY, issued 2024-10-07. HPD violation 17320682
• Class A: Missing or broken smoke / CO detector (hallway). POST A PROPER NOTICE OF SMOKE DETECTOR REQUIREMENTS, IN A FORM APPROVED BY THE COMMISSIONER, AT OR NEAR THE MAIL BOX MISSING AT PUBLIC HALL, 1st STORY, issued 2024-10-07. HPD violation 17320679
• Class A: Damaged plaster or paint (hallway). POST SIGN ON WALL OF ENTRANCE STORY BEARING NAME, ADDRESS INCLUDING APARTMENT NUMBER IF ANY, AND TELEPHONE NUMBER OF SUPERINTENDENT, JANITOR OR HOUSEKEEPER. AT PUBLIC HALL, 1st STORY, issued 2024-10-07. HPD violation 17320680
• Class A: Damaged plaster or paint (hallway). POST AND MAINTAIN A PROPER SIGN ON WALL OF ENTRANCE STORY SHOWING THE REGISTRATION NUMBER ASSIGNED BY THE DEPARTMENT AND THE ADDRESS OF THE BUILDING. AT PUBLIC HALL, 1st STORY, issued 2024-10-07. HPD violation 17320681
• Class A: Missing or broken smoke / CO detector. HMC: POST A PROPER NOTICE OF CARBON MONOXIDE DETECTING DEVICE REQUIREMENTS, IN A FORM APPROVED BY THE COMMISSIONER, IN A COMMON AREA OF A CLASS A MULTIPLE DWELLING NEAR INSPECTION CERTIFICATE OR PROVIDE NOTICE TO TENANTS IN A PRIVATE DWELLING., issued 2024-10-07. HPD violation 17320683
• Class A: Damaged plaster or paint (entrance). ADMIN. CODE: POST AND MAINTAIN A PROPER NOTICE ON WALL OF THE ENTRANCE STORY IN ENGLISH AND SPANISH ON THE AVAILABILITY OF THE AGENCYS HOUSING INFORMATION GUIDE. A SAMPLE NOTICE CAN BE FOUND AT WWW.NYC.GOV/HPD., issued 2024-10-07. HPD violation 17320684
• Class A: Floor or stair defect (hallway). , M/D LAW AND DEPT. RULES AND REGS. PROVIDE A COMPLETED CERTIFICATE OF INSPECTION VISITS IN A PROPER FRAME AT OR NEAR MAILBOXES, BOTTOM EDGE OF FRAME BETWEEN 48-62 INCHES ABOVE FLOOR MISSING AT PUBLIC HALL, 1st STORY, issued 2024-10-07. HPD violation 17320678
• Class A: Gas defect. HMC: POST, IN A FORM APPROVED BY THE COMMISSIONER, AND MAINTAIN A NOTICE IN A COMMON AREA OF THE BUILDING REGARDING THE PROCEDURES THAT SHOULD BE FOLLOWED WHEN A GAS LEAK IS SUSPECTED, issued 2024-10-07. HPD violation 17320685

311 housing complaints

2 in the last 12 months, 16 in 5 years. Most common: Heat/Hot Water (1), Unsanitary Condition (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: No bedbug filing on record for this year
• 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. 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

236 of 236 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).

Owner and management

Owner: ACP AMSTERDAM I, LLC. Head officer: WAYNE NGAI. Managing agent: EQUITY RESIDENTIAL MANAGEMENT, LLC. This owner has 26 buildings on record, 0 graded D or F. See the full portfolio.

Last HPD registration Sep 25, 2025. Registration on file through Sep 1, 2026; renewal not yet in the city's data.

Tax lot and city IDs

BBL 1011580012, HPD building ID 956205. HPD Online, ACRIS, DOB BIS.

Nearest subway

• 72 St (1, 2, 3), 4 min walk
• 66 St-Lincoln Center (1), 4 min walk
• 72 St (C, B), 8 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 2026-10-27.