435 Riverside Drive

435 Riverside Drive in Morningside Heights, Manhattan, has 2 open HPD violations, and 30 of 35 units are rent-stabilized, as of Oct 24, 2026. StreetSpy grade: A (96/100).

Multi-family elevator · 35 units · Built 1910

StreetSpy grade: A (Excellent, 96/100)

• 2 open housing violations, none in the most serious class.
• The head officer on this registration is named on 141 buildings' registrations; 10 graded D or F.
• No housing complaints to 311 in the last 12 months.
• 30 of 35 units are rent-stabilized; 2 on the 2007 tax bill.

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

• Repairs: Low (2 open), 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)

2 open violations: 0 class C (immediately hazardous), 2 class B, 0 class A. 0 issued in the last 12 months. 6 on record. Oldest open violation issued 2015-02-18. Newest violation issued 2024-04-01. No new HPD violation has been issued here since 2024. Most of the open count is older violations that were never closed.

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

• Class B: Broken window or sash, bathroom, 2nd floor. PROPERLY REPAIR THE BROKEN OR DEFECTIVE LOWER WINDOW SASH SPRING BALANCE. IN THE BATHROOM LOCATED AT APT 21, 2nd STORY, 2nd APARTMENT FROM WEST AT NORTH (apt 21), issued 2015-02-18. HPD violation 10559744
• Class B: Broken window or sash, kitchen, 2nd floor. PROPERLY REPAIR THE BROKEN OR DEFECTIVE LOWER WINDOW SASH SPRING BALANCE. IN THE KITCHEN LOCATED AT APT 21, 2nd STORY, 2nd APARTMENT FROM WEST AT NORTH (apt 21), issued 2015-02-18. HPD violation 10559755

311 housing complaints

0 in the last 12 months, 0 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: No bedbug filing on record for this year
• 2022: Owner reported 0 infested units
• 2021: Owner reported 0 infested units

Buildings department (DOB)

No open DOB violations. 5 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

30 of 35 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, 2 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 1018960087, HPD building ID 27284. HPD Online, ACRIS, DOB BIS.

Nearest subway

• 116 St-Columbia University (1), 2 min walk
• Cathedral Pkwy (110 St) (1), 6 min walk
• 116 St (C, B), 12 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.