621 WEST END AVENUE
621 WEST END AVENUE is a Class D1 (elevator, semi-fireproof) building in Manhattan (BBL 1012510018) built in 1899, with 10 residential units across 5 floors.
The building is in NYC community district 107, council district 6, zoning district R10A, on a 1,280-square-foot lot with a building footprint of 6,400 square feet.
The current registered owner of record per NYC PLUTO is 621 REALTY 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 OfficerMARTIN SCHARF
- Corporate Owner621 REALTY LLC
- Site ManagerJOE OSSO
Most recent deed
Recent ACRIS documents (last 1)
Building stats
- Zoning:
- R10A
- Lot size:
- 1,280 sqft
- Building area:
- 6,400 sqft
- Floors:
- 5
- Assessed value:
- $1.4M
- Community district:
- 107
- Council district:
- 6
HPD violations
Recent HPD violation details
- Class CInspected Apr 25, 2025§ 27-2005 ADM CODE & 309 M/D LAW ABATE THE NUISANCE CONSISTING OF PAINTED SPRINKLER HEAD IN THE ENTIRE APARTMENT LOCATED AT APT 1E, 1st STOR…
- Class CInspected Apr 25, 2025§ 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 AInspected Apr 25, 2025§ 27-2013 ADM CODE PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT AT CEILING AND ALL WALLS IN THE KITCHEN LOCATED AT…
- Class AInspected Apr 25, 2025§ 27-2005 ADM CODE PAINT METAL IN ACCORDANCE WITH DEPT. REGULATION AT RISER IN THE KITCHEN LOCATED AT APT 3W, 3rd STORY, 1st APARTMENT FROM…
- Class BInspected Apr 25, 2025§ 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT CEILING IN THE 3rd ROOM FROM NORTH LOCA…
Recent ACRIS activity
Frequently asked questions about 621 WEST END AVENUE
Who owns 621 WEST END AVENUE?
The current registered owner of record for 621 WEST END AVENUE per NYC PLUTO is 621 REALTY LLC. MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.
When was 621 WEST END AVENUE last sold?
MetroDeeds shows no confirmed ACRIS deed transfer for 621 WEST END AVENUE 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 621 WEST END AVENUE have?
No open HPD housing-maintenance code violations are on record for 621 WEST END AVENUE 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 621 WEST END AVENUE?
NYC Department of Finance assesses 621 WEST END AVENUE at $1.43M 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 621 WEST END AVENUE and what does that mean?
621 WEST END AVENUE is NYC building class D1 — Elevator, semi-fireproof. A semi-fireproof elevator 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.