519 West 121st Street

519 West 121st Street in Morningside Heights, Manhattan, has 45 open HPD violations, 4 of them class C, and 30 of 34 units are rent-stabilized, as of Oct 24, 2026. StreetSpy grade: F (49/100).

Multi-family elevator · 34 units · Built 1926

StreetSpy grade: F (Severe, 49/100)

• 4 immediately hazardous violations open (the class that covers no heat, pests, lead paint and similar).
• 4 open violations are classified rent-impairing under NY Multiple Dwelling Law section 302-a.
• 1 eviction carried out by marshals in the last 3 years.
• 30 of 34 units are rent-stabilized; 5 on the 2007 tax bill.

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

• Repairs: High (45 open, 4 class C), records as of Oct 24, 2026
• Heat and hot water: No complaints, 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)

45 open violations: 4 class C (immediately hazardous), 25 class B, 16 class A. 10 issued in the last 12 months. 53 on record. Oldest open violation issued 1991-07-30. Newest violation issued 2026-05-04.

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

4 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: Lead paint hazard, 3rd room from the east, 1st 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, WEST WALL IN THE 3rd ROOM FROM EAST AT SOUTH LOCATED AT APT 1C, 1st STORY, 1st APARTMENT FROM WEST AT NORTH (apt 1C), issued 2015-02-10. HPD violation 10550707
• Class C: Lead paint hazard, 3rd room from the east, 1st 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) CEILING, WEST WALL IN THE 3rd ROOM FROM EAST AT NORTH LOCATED AT APT 1C, 1st STORY, 1st APARTMENT FROM WEST AT NORTH (apt 1C), issued 2015-02-10. HPD violation 10550708
• Class C: Door, lock or intercom defect (entrance). D26-10.01 ADM CODE & 309 M/D LAW ABATE THE NUISANCE CONSISTING OF DOUBLE CYLINDER KEY LOCK AT ENTRANCE DOOR 1 STY FRONT WEST APT., issued 2008-06-24. HPD violation 3046832
• 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 MAILBOXES 1 STY PUBLIC HALL., issued 1999-10-05. HPD violation 3046840
• Class B: Damaged plaster or paint, 3rd room from the east, 4th floor. REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT EAST AND SOUTH WALL IN THE 3rd ROOM FROM EAST AT SOUTH LOCATED AT APT 4C, 4th STORY, 1st APARTMENT FROM WEST AT NORTH (apt 4C), issued 2026-05-04. HPD violation 18849858
• Class B: Door, lock or intercom defect, 1st room from the east, 4th floor. PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE WOOD SADDLE AT ENTRANCE DOOR IN THE 1st ROOM FROM EAST LOCATED AT APT 4C, 4th STORY, 1st APARTMENT FROM WEST AT NORTH (apt 4C), issued 2025-12-23. HPD violation 18523582
• Class B: Missing or broken smoke / CO detector, throughout the apartment, 4th floor. (B)(1)(B) HMC, § 12-06, § 12-07, § 12-09 RCNY REPAIR, REPLACE OR PROVIDE AN APPROVED AND OPERATIONAL CARBON MONOXIDE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH APPLICABLE LAW AND RULES MISSING IN THE ENTIRE APARTMENT LOCATED AT APT 4C, 4th STORY, 1st APARTMENT FROM WEST AT NORTH (apt 4C), issued 2025-12-23. HPD violation 18523577
• Class B: Missing or broken smoke / CO detector, throughout the apartment, 4th floor. (B)(1)(A) HMC, § 12-01, § 12-03 RCNY REPAIR, REPLACE OR PROVIDE AN APPROVED AND OPERATIONAL SMOKE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH DEPARTMENT OF BUILDINGS RULES AND REGULATIONS MISSING IN THE ENTIRE APARTMENT LOCATED AT APT 4C, 4th STORY, 1st APARTMENT FROM WEST AT NORTH (apt 4C), issued 2025-12-23. HPD violation 18523576

311 housing complaints

6 in the last 12 months, 26 in 5 years. Most common: Plumbing (5), Paint/Plaster (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: No bedbug filing on record for this year
• 2022: Owner reported 0 infested units
• 2021: No bedbug filing on record for this year

Buildings department (DOB)

No open DOB violations. 2 DOB violations on record. Check on DOB BIS.

Evictions and housing court

1 executed evictions in the last 3 years (2 on record). 0 open HPD cases; 0 harassment findings.

Rent stabilization

30 of 34 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: 30 in 2024, 5 in 2007. Source: DOF tax bills for 2007 and 2024; years with no bill on file are left out.

Owner and management

Owner: TRUSTEES OF COLUMBIA UNIVERSITY. Head officer: DAVID GREENBERG. Managing agent: DIEGO RIVERA. This owner has 141 buildings on record, 10 graded D or F. See the full portfolio.

Last HPD registration Oct 20, 2025. Registration on file through Sep 1, 2026; renewal not yet in the city's data.

Tax lot and city IDs

BBL 1019760016, HPD building ID 39063. HPD Online, ACRIS, DOB BIS.

Nearest subway

• 116 St-Columbia University (1), 6 min walk
• 125 St (1), 7 min walk
• 125 St (A, C, B, D), 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.