344 West 121st Street

344 West 121st Street in Central Harlem, Manhattan, has 101 open HPD violations, 38 of them class C, and no rent-stabilized units are on its tax bill, as of Oct 26, 2026. StreetSpy grade: F (30/100).

One & two family · 2 units · Built 1899

StreetSpy grade: F (Severe, 30/100)

• 38 immediately hazardous violations open (the class that covers no heat, pests, lead paint and similar).
• 23 open violations are classified rent-impairing under NY Multiple Dwelling Law section 302-a.
• 16 heat or hot water complaints to 311 in the last 12 months.
• No rent-stabilized units on the tax bill. Increases aren't capped by stabilization, though Good Cause Eviction may still limit them.

• Repairs: High (101 open, 38 class C), records as of Oct 26, 2026
• Heat and hot water: 16 complaints, 12 mo, records as of Oct 25, 2026
• Pests: Clear (No bedbug filing, 3 yr), records as of Oct 28, 2026
• Safety: High (2 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)

101 open violations: 38 class C (immediately hazardous), 45 class B, 18 class A. 53 issued in the last 12 months. 138 on record. Oldest open violation issued 2007-12-06. Newest violation issued 2026-09-17.

6 closed in the last 90 days. Median 213 days from issue to close for the 20 violations closed in the last 12 months.

23 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: Electrical defect (hallway). , 2038 HMC: PROVIDE A SAFE AND ADEQUATE SUPPLY OF ELECTRIC SERVICE TO THE FIXTURES AT ALL WALLS AND CEILINGS THROUGHOUT AT PUBLIC HALL, issued 2026-09-17. HPD violation 19184340
• Class C: Mice, 2nd floor. HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ROOM LOCATED AT B-ROOM 4, 2nd STORY, 1st B-ROOM FROM NORTH AT EAST (apt 4), issued 2026-09-03. HPD violation 19184335
• Class C: Roaches, 2nd floor. HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ROOM LOCATED AT B-ROOM 4, 2nd STORY, 1st B-ROOM FROM NORTH AT EAST (apt 4), issued 2026-09-03. HPD violation 19184334
• Class C: No hot water, bathroom. PROVIDE ADEQUATE SUPPLY OF HOT WATER FOR THE FIXTURES AT BATHTUB AT COMMUNITY BATHROOM, 2nd STORY, issued 2026-06-10. HPD violation 18996295
• Class C: Plumbing defect, bathroom. PROVIDE ADEQUATE SUPPLY OF COLD WATER FOR THE FIXTURES WATERCLOSET, AT WASHBASIN AND BATHTUB AT COMMUNITY BATHROOM, 2nd STORY, issued 2026-04-27. HPD violation 18811148
• Class C: Paperwork or record-keeping violation. HMC: IMMEDIATELY PROVIDE A FIRE GUARD AS DIRECTED BY THE NYC DEPT. OF HOUSING PRESERVATION & DEVELOPMENT (HPD) AND/OR THE NYC DEPT. OF BUILDINGS (DOB) TO PROTECT AGAINST FIRE HAZARDS OBSERVED BY HPD AND/OR DOB. FIRE HAZARDS OBSERVED BY HPD HAVE RESULTED IN THE FOLLOWING ADDITIONAL HPD VIOLATION(S): 18821074 IN ORDER TO PROTECT PUBLIC SAFETY AGAINST IMMINENT FIRE HAZARDS OBSERVED, A FIRE GUARD MUST BE PROVIDED FORTHWITH FOR CONTINUOUS 24 HOUR COVERAGE, NOTWITHSTANDING THE CORRECTION AND CERTIFICATION DATES SET FORTH ABOVE (THE CORRECTION AND CERTIFICATION DATES SET FORTH ABOVE ARE APPLICABLE FOR PURPOSES OF CIVIL PENALTIES THAT MAY BE ASSESSED PURSUANT TO NYC ADMINISTRATIVE CODE § 27-2115, BUT DO NOT REFLECT THE DATE BY WHICH A FIRE GUARD MUST BE PROVIDED). A FIRE GUARD MUST BE PROVIDED IMMEDIATELY DUE TO THE EXIGENCY OF THE DANGEROUS FIRE HAZARD CONDITIONS OBSERVED. THE VIOLATION REQUIRING A FIRE GUARD TO BE PROVIDED WILL REMAIN OPEN UNTIL SUCH TIME AS THE FIRE HAZARDS RESULTING IN THE HPD VIOLATION(S) REFERENCED ABOVE AND/OR THE FIRE HAZARDS RESULTING IN RELATED DOB VIOLATION(S) HAVE BEEN DISMISSED., issued 2026-04-27. HPD violation 18811154
• 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 SIGN MISSING AT PUBLIC HALL, 1st STORY, issued 2026-04-27. HPD violation 18811157
• Class C: No hot water, bathroom. PROVIDE ADEQUATE SUPPLY OF HOT WATER FOR THE FIXTURES AT WASHBASIN AND BATHTUB AT COMMUNITY BATHROOM, 2nd STORY, issued 2026-04-27. HPD violation 18811149

311 housing complaints

28 in the last 12 months, 48 in 5 years. Most common: Heat/Hot Water (16), Plumbing (9), Unsanitary Condition (2), Water Leak (1).

Bedbugs

No bedbug filing on record for 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: No bedbug filing on record for this year
• 2024: No bedbug filing on record for this year
• 2023: No bedbug filing on record for this year
• 2022: No bedbug filing on record for this year
• 2021: No bedbug filing on record for this year

Buildings department (DOB)

2 open DOB violations, 1 of them Local Law violations issued before 2000. 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

No rent-stabilized units on the tax bill.

Owner and management

Owner: Nextreo, LLC. Head officer: Kirk Ayzenberg. Managing agent: Harlem Property Re+Development Inc.. See the full portfolio.

Last HPD registration Jul 8, 2025. Registration on file through Sep 1, 2026; renewal not yet in the city's data.

Tax lot and city IDs

BBL 1019470154, HPD building ID 39038. HPD Online, ACRIS, DOB BIS.

Nearest subway

• 116 St (C, B), 4 min walk
• 125 St (A, C, B, D), 5 min walk
• 116 St-Columbia University (1), 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.