420 EAST 51 STREET
420 EAST 51 STREET is a Class D4 (elevator coop, 6+ stories) building in Manhattan (BBL 1013620041) built in 1962, with 110 residential units across 13 floors.
The building is in NYC community district 106, council district 4, zoning district R8B, on a 18,075-square-foot lot with a building footprint of 155,000 square feet.
The current registered owner of record per NYC PLUTO is KAL BROTHERS LLC.
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 OfficerMICHAEL NATH
- Corporate OwnerFIFTY FIRST BEEKMAN CORP
- Managing AgentBROWN HARRIS STEVENS
- Site ManagerCARL THOMPSON
Most recent deed
Recent ACRIS documents (last 5)
Building stats
- Zoning:
- R8B
- Lot size:
- 18,075 sqft
- Building area:
- 155,000 sqft
- Floors:
- 13
- Assessed value:
- $17.3M
- Community district:
- 106
- Council district:
- 4
HPD violations
Recent HPD violation details
- Class IInspected Nov 17, 2025§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 IInspected Oct 25, 2016§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 Jun 25, 1991SECTION 27-2005, 2007 ADM CODE REMOVE THE ILLEGAL FASTENING DOUBLE CYLINDER KEY OPERATED LOCK INSTALLED AT STREET DOOR TO 1 STY PUBLIC HALL…
Recent ACRIS activity
Frequently asked questions about 420 EAST 51 STREET
Who owns 420 EAST 51 STREET?
The current registered owner of record for 420 EAST 51 STREET per NYC PLUTO is KAL BROTHERS LLC. MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.
When was 420 EAST 51 STREET last sold?
MetroDeeds shows no confirmed ACRIS deed transfer for 420 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 420 EAST 51 STREET have?
No open HPD housing-maintenance code violations are on record for 420 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 420 EAST 51 STREET?
NYC Department of Finance assesses 420 EAST 51 STREET at $17.33M 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 420 EAST 51 STREET and what does that mean?
420 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.