420 West 146th Street

420 West 146th Street in Hamilton Heights, Manhattan, has 38 open HPD violations, 4 of them class C, and no rent-stabilized units are on its tax bill, as of Oct 26, 2026. StreetSpy grade: F (49/100).

Co-op (HDFC) · Multi-family walk-up · 14 units · Built 1906

A limited-equity co-op held by a Housing Development Fund Corporation: the residents own shares, so a rental here is a sublet that usually needs board approval, and HDFC co-ops often limit sublets and resale prices. Co-op units are not rent-stabilized. How HDFCs are ranked

StreetSpy grade: F (Severe, 49/100)

• 4 immediately hazardous violations open (the class that covers no heat, pests, lead paint and similar).
• 2 open violations are classified rent-impairing under NY Multiple Dwelling Law section 302-a.
• The owner has 2 buildings on record; 2 graded D or F.
• A co-op: renting here is a sublet, usually with board approval and a time limit; units are not rent-stabilized.

• Repairs: High (38 open, 4 class C), records as of Oct 26, 2026
• Heat and hot water: 1 complaint, 12 mo, records as of Oct 25, 2026
• Pests: Clear (Owner reported none, 3 yr), records as of Oct 28, 2026
• Safety: Medium (3 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)

38 open violations: 4 class C (immediately hazardous), 26 class B, 8 class A. 2 issued in the last 12 months. 49 on record. Oldest open violation issued 1996-03-12. Newest violation issued 2026-04-23.

0 closed in the last 90 days. Median 84 days from issue to close for the 1 violations closed in the last 12 months.

2 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: No hot water, throughout the apartment, 1st floor. PROVIDE HOT WATER AT ALL HOT WATER FIXTURES IN THE ENTIRE APARTMENT LOCATED AT APT 1, 1st STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 1), issued 2020-09-01. HPD violation 13736280
• Class C: Door, lock or intercom defect (entrance). PROPERLY REPAIR THE BROKEN OR DEFECTIVE LOCK ASSEMBLY AT BUILDING ENTRANCE DOOR , 1st STORY, issued 2016-01-25. HPD violation 11086543
• Class C: Leak or water damage, ceiling, 6th room from the north, 5th floor. REPAIR THE ROOF SO THAT IT WILL NOT LEAK AT CEILING IN THE 6th ROOM FROM NORTH LOCATED AT APT 13, 5th STORY, 1st APARTMENT FROM WEST AT NORTH (apt 13), issued 2016-01-25. HPD violation 11086464
• 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 2016-01-25. HPD violation 11086538
• Class B: Damaged plaster or paint, ceiling. PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE FIRE RETARDANT MATERIAL AT CEILING AT PUBLIC HALL, 1st STORY, issued 2026-04-23. HPD violation 18803786
• Class B: Mold, bathroom, 5th floor. SECTION 27-2005 HMC:TRACE AND REPAIR THE SOURCE AND ABATE THE NUISANCE CONSISTING OF MOLD ... AT SOUTH AND EAST WALLS AND CEILING, APPROXIMATELY 10 SQUARE FEET IN THE BATHROOM LOCATED AT APT 13, 5th STORY, 1st APARTMENT FROM WEST AT NORTH (apt 13), issued 2016-01-25. HPD violation 11086477
• Class B: Mold, kitchen, 5th floor. SECTION 27-2005 HMC:TRACE AND REPAIR THE SOURCE AND ABATE THE NUISANCE CONSISTING OF MOLD ... AT BASE CABINET AT SINK, APPROXIMATELY 10 SQUARE FEET IN THE KITCHEN LOCATED AT APT 13, 5th STORY, 1st APARTMENT FROM WEST AT NORTH (apt 13), issued 2016-01-25. HPD violation 11086504
• Class B: Missing or broken smoke / CO detector, throughout the apartment, 4th floor. SECTION 27-2046.1, 2046.2 HMC: PROVIDE AN APPROVED AND OPERATIONAL CARBON MONOXIDE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH APPLICABLE LAW AND RULES. IN THE ENTIRE APARTMENT LOCATED AT APT 11, 4th STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 11), issued 2006-09-05. HPD violation 6341798

311 housing complaints

1 in the last 12 months, 10 in 5 years. Most common: Heat/Hot Water (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: Owner reported 0 infested units
• 2025: No bedbug filing on record for this year
• 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)

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: 420-424 W 146TH STREET HDFC. Head officer: QUENTIN TYLER. Managing agent: 10K MANAGEMENT INC. This owner has 2 buildings on record, 2 graded D or F. See the full portfolio.

Last HPD registration Jul 17, 2025. Registration on file through Sep 1, 2026; renewal not yet in the city's data.

Tax lot and city IDs

BBL 1020600044, HPD building ID 42049. HPD Online, ACRIS, DOB BIS.

Nearest subway

• 145 St (B, D), 1 min walk
• 145 St (1), 6 min walk
• 155 St (C), 9 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.