421 East 50th Street

421 East 50th Street in Turtle Bay, Manhattan, has 16 open HPD violations, 2 of them class C, and 1 of 10 units is rent-stabilized, as of Oct 26, 2026. StreetSpy grade: F (45/100).

Condo · Multi-family walk-up · 10 units · Built 1902

A condominium: each apartment has its own owner, so the landlord is an individual unit owner, and the building's record mixes many owners. Condo units are not rent-stabilized.

StreetSpy grade: F (Severe, 45/100)

• 2 immediately hazardous violations open (the class that covers no heat, pests, lead paint and similar).
• 1 open violation is classified rent-impairing under NY Multiple Dwelling Law section 302-a.
• The owner's bedbug filings report 1 infested unit over the last 3 years.
• 1 of 10 units are rent-stabilized.

• Repairs: High (16 open, 2 class C), records as of Oct 26, 2026
• Heat and hot water: No complaints, 12 mo, records as of Oct 25, 2026
• Pests: High (1 infested unit, 3 yr), records as of Oct 28, 2026
• Safety: Clear (No 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)

16 open violations: 2 class C (immediately hazardous), 9 class B, 5 class A. 0 issued in the last 12 months. 23 on record. Oldest open violation issued 2010-09-09. Newest violation issued 2023-03-15. No new HPD violation has been issued here since 2023. Most of the open count is older violations that were never closed.

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

1 open violation is 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, 2nd floor. HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 2R, 2nd STORY, 1st APARTMENT FROM WEST AT NORTH (apt 2R), issued 2020-10-29. HPD violation 13868283
• Class C: Gas defect, kitchen, 2nd floor. PROVIDE AN ADEQUATE SUPPLY OF GAS TO THE FIXTURES GAS RANGE IN THE KITCHEN LOCATED AT APT 3F, 2nd STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 3F), issued 2015-05-01. HPD violation 10694142
• Class B: Missing or broken smoke / CO detector, throughout the apartment, 2nd floor. HMC: REPAIR OR REPLACE THE CARBON MONOXIDE DETECTING DEVICE(S). DEVICE MISSING IN THE ENTIRE APARTMENT LOCATED AT APT 2R, 2nd STORY, 1st APARTMENT FROM WEST AT NORTH (apt 2R), issued 2020-10-29. HPD violation 13868287
• Class B: Missing or broken smoke / CO detector, throughout the apartment, 2nd floor. REPAIR OR REPLACE THE SMOKE DETECTOR DEVICE MISSING IN THE ENTIRE APARTMENT LOCATED AT APT 2R, 2nd STORY, 1st APARTMENT FROM WEST AT NORTH (apt 2R), issued 2020-10-29. HPD violation 13868290
• Class B: Plumbing defect, kitchen, 3rd floor. REPLACE WITH NEW THE BROKEN OR DEFECTIVE SINK BASE CABINET IN THE KITCHEN LOCATED AT APT 3F, 3rd STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 3F), issued 2017-02-01. HPD violation 11627786
• Class B: Missing or broken smoke / CO detector, 3rd floor. REPAIR OR REPLACE THE SMOKE DETECTOR MISSING LOCATED AT APT 3F, 3rd STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 3F), issued 2017-01-31. HPD violation 11627787
• Class B: Missing or broken smoke / CO detector, 3rd floor. HMC: REPAIR OR REPLACE THE CARBON MONOXIDE DETECTING DEVICE(S). MISSING LOCATED AT APT 3F, 3rd STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 3F), issued 2017-01-31. HPD violation 11627788
• Class B: Missing or broken smoke / CO detector, 3rd floor. HMC: REPAIR OR REPLACE THE CARBON MONOXIDE DETECTING DEVICE(S). MISSING LOCATED AT APT 3F, 3rd STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 3F), issued 2016-11-21. HPD violation 11516182

311 housing complaints

0 in the last 12 months, 0 in 5 years.

Bedbugs

The owner reported 1 infested unit in the last 3 years. 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 1 infested, 1 treated, 0 re-infested
• 2024: Owner reported 0 infested units
• 2023: Owner reported 0 infested units
• 2022: Owner reported 0 infested units
• 2021: No bedbug filing on record for this year

Buildings department (DOB)

No open DOB violations. 0 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

1 of 10 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: 1 in 2024, 1 in 2007. Source: DOF tax bills for 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023 and 2024; years with no bill on file are left out.

Owner and management

Owner: RIVERRUN CONDOMINIUM. Head officer: JEFF ELDERS. Managing agent: MARBROSE REALTY. See the full portfolio.

Last HPD registration Oct 14, 2025. Registration on file through Sep 1, 2026; renewal not yet in the city's data.

Tax lot and city IDs

BBL 1013627501, HPD building ID 14052. HPD Online, ACRIS, DOB BIS.

Nearest subway

• Lexington Av/53 St (E, F), 7 min walk
• 51 St (6), 8 min walk
• Grand Central-42 St (7), 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 2026-10-28.