343 EAST 51 STREET
343 EAST 51 STREET is a Class D4 (elevator coop, 6+ stories) building in Manhattan (BBL 1013440018) built in 1942, with 40 residential units across 5 floors.
The building is in NYC community district 106, council district 4, zoning district R8B, on a 5,020-square-foot lot with a building footprint of 21,000 square feet.
The current registered owner of record per NYC PLUTO is 343 EAST 51 CORP.
MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.
The building is registered with NYC HPD's landlord-registration system and has no open HPD housing-maintenance code violations on record as of May 18, 2026.
Data sourced daily from NYC PLUTO (Department of City Planning), NYC ACRIS (Department of Finance), and NYC HPD housing-maintenance code violations.
Owner of record
HPD registered contacts
- Head OfficerANTHONY MAZZULLO
- Corporate Owner343 E 51ST STREET OWNER
- Managing AgentMATTHEW ADAM PROPERTIES
- Site ManagerNICK PEPAJ
Most recent deed
Recent ACRIS documents (last 4)
Building stats
- Zoning:
- R8B
- Lot size:
- 5,020 sqft
- Building area:
- 21,000 sqft
- Floors:
- 5
- Assessed value:
- $2.8M
- Community district:
- 106
- Council district:
- 4
HPD violations
Recent HPD violation details
- Class AInspected Jun 4, 2025(A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPD…
- Class IInspected Nov 22, 2024§27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE…
- Class CInspected May 26, 2023§ 27-2005, 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MIS…
- Class BInspected May 26, 2023§ 27-2005 ADM CODE PROPERLY SECURE THE LOOSE SINK IN THE KITCHEN LOCATED AT APT 1A, 1st STORY, 2nd APARTMENT FROM NORTH AT EAST
- Class AInspected Apr 1, 2021(A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPD…
Recent ACRIS activity
Frequently asked questions about 343 EAST 51 STREET
Who owns 343 EAST 51 STREET?
The current registered owner of record for 343 EAST 51 STREET per NYC PLUTO is 343 EAST 51 CORP. MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.
When was 343 EAST 51 STREET last sold?
MetroDeeds shows no confirmed ACRIS deed transfer for 343 EAST 51 STREET in the last 5 years of recorded NYC public-records data. NYC ACRIS coverage extends back to 1966; an absence in our 5-year window typically means either the BBL has not transacted recently, or the most recent recorded document is not a DEED type (such as a refinance rather than a sale).
How many HPD violations does 343 EAST 51 STREET have?
No open HPD housing-maintenance code violations are on record for 343 EAST 51 STREET as of May 18, 2026. The building is registered with NYC HPD's landlord-registration system. HPD violation data is pulled daily from the NYC Open Data violations feed.
What is the assessed value of 343 EAST 51 STREET?
NYC Department of Finance assesses 343 EAST 51 STREET at $2.79M for the current tax year. NYC assesses property at a fraction of estimated market value (the assessment ratio varies by tax class — 6% for tax class 1 one-to-three-family dwellings, approximately 45% for tax class 2 rental apartment buildings), so the market value implied by this assessment is meaningfully higher. Assessment data is published by NYC Department of Finance.
What building class is 343 EAST 51 STREET and what does that mean?
343 EAST 51 STREET is NYC building class D4 — Elevator coop, 6+ stories. A 6+ story elevator cooperative apartment building. Building class is assigned by NYC Department of Finance and recorded in PLUTO; it determines the property's tax class and the regulatory regime that applies.