343 East 51st Street

343 East 51st Street in Turtle Bay, Manhattan, has 100 open HPD violations, 8 of them class C, and 2 of 40 units are rent-stabilized, as of Oct 26, 2026. StreetSpy grade: F (49/100).

Co-op · Multi-family elevator · 40 units · Built 1942

A cooperative: apartments are owned as shares, so a rental here is a sublet that usually needs board approval and may be limited to one or two years. Co-op units are not rent-stabilized.

StreetSpy grade: F (Severe, 49/100)

• 8 immediately hazardous violations open (the class that covers no heat, pests, lead paint and similar).
• 7 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.
• 2 of 40 units are rent-stabilized; 1 on the 2007 tax bill.

• Repairs: High (100 open, 8 class C), records as of Oct 26, 2026
• Heat and hot water: No complaints, 12 mo, records as of Oct 25, 2026
• Pests: Clear (Owner reported none, 3 yr), records as of Oct 28, 2026
• Safety: Clear (1 open DOB violation), records as of Oct 26, 2026
• Registration: Through Sep 1, 2027, records as of Oct 3, 2026

How the grade works

Housing code violations (HPD)

100 open violations: 8 class C (immediately hazardous), 59 class B, 33 class A. 6 issued in the last 12 months. 111 on record. Oldest open violation issued 2003-05-21. Newest violation issued 2026-09-18.

1 closed in the last 90 days. Median 85 days from issue to close for the 2 violations closed in the last 12 months.

7 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: Roaches, throughout the apartment, 3rd floor. HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 3D, 3rd STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 3D), issued 2026-05-21. HPD violation 18942924
• 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 2018-08-08. HPD violation 12516950
• 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 2017-09-22. HPD violation 11984684
• 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 TIME OF INSPECTION AT PUBLIC HALL, 1st STORY, issued 2017-09-14. HPD violation 11970271
• Class C: No hot water, kitchen. PROVIDE HOT WATER AT ALL HOT WATER FIXTURES KITCHEN OF 3 STY SOUTHEAST APT 3A. , SECTION '' '' (apt 3A), issued 2008-06-24. HPD violation 2517517
• Class C: Door, lock or intercom defect, foyer, 5th floor. SECTION 27-2005, 2007 ADM CODE REMOVE THE ILLEGAL FASTENING DOUBLE CYLINDER KEY OPERATED LOCK AT APT. ENTRANCE DOOR IN THE FOYER LOCATED AT APT 5A, 5th STORY, 1st APARTMENT FROM NORTH AT EAST (apt 5A), issued 2008-01-02. HPD violation 7067231
• Class C: Broken window or sash, kitchen, 5th floor. REPLACE WITH NEW THE BROKEN OR DEFECTIVE WINDOW GLASS PANE,CASEMENT WINDOW (CUT HAZARD) IN THE KITCHEN LOCATED AT APT 5A, 5th STORY, 1st APARTMENT FROM NORTH AT EAST (apt 5A), issued 2008-01-02. HPD violation 7067217
• Class C: Door, lock or intercom defect, foyer, 4th floor. SECTION 27-2005, 2007 ADM CODE REMOVE THE ILLEGAL FASTENING DOUBLE KEY OPERATED LOCK AT APT. ENTRANCE DOOR IN THE FOYER LOCATED AT APT 4B, 4th STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 4B), issued 2008-01-02. HPD violation 7067244

311 housing complaints

3 in the last 12 months, 7 in 5 years. Most common: Unsanitary Condition (2), 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: Owner reported 0 infested units
• 2022: Owner reported 0 infested units
• 2021: Owner reported 0 infested units

Buildings department (DOB)

1 open DOB violation, a Local Law violation issued before 2000. 2 DOB violations on record. Check on DOB BIS.

Evictions and housing court

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

Rent stabilization

2 of 40 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: 2 in 2024, 1 in 2007. Source: DOF tax bills for 2007 and 2024; years with no bill on file are left out.

Owner and management

Owner: 343 E 51ST STREET OWNER. Head officer: ANTHONY MAZZULLO. Managing agent: MATTHEW ADAM PROPERTIES. See the full portfolio.

Last HPD registration Jul 24, 2026, valid through Sep 1, 2027.

Tax lot and city IDs

BBL 1013440018, HPD building ID 14109. HPD Online, ACRIS, DOB BIS.

Nearest subway

• Lexington Av/53 St (E, F), 4 min walk
• 51 St (6), 7 min walk
• 59 St (4, 5, 6), 11 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.