639 WEST END AVENUE
639 WEST END AVENUE is a Class D4 (elevator coop, 6+ stories) building in Manhattan (BBL 1012510054) built in 1927, with 63 residential units across 15 floors.
The building is in NYC community district 107, council district 6, zoning district R10A, on a 6,800-square-foot lot with a building footprint of 88,396 square feet.
The current registered owner of record per NYC PLUTO is 639 APARTMENT 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 OfficerWilliam Dinnerman
- Corporate Owner639 APARTMENTS CORP.
- Managing AgentAKAM ASSOCIATES, INC.
Most recent deed
Activity timeline
Recent ACRIS documents (last 4)
Building stats
- Zoning:
- R10A
- Lot size:
- 6,800 sqft
- Building area:
- 88,396 sqft
- Floors:
- 15
- Assessed value:
- $7.4M
- Community district:
- 107
- Council district:
- 6
HPD violations
Recent HPD violation details
- Class IInspected Oct 25, 2019§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 AInspected Apr 26, 2019§ 27-2005, 2007 ADM CODE REMOVE DEVICE PREVENTING DOOR FROM BEING SELF-CLOSING , HOOK AND EYELET ASSEMBLY INSTALLED ON VESTIBULE TO 1ST STY…
- Class AInspected Apr 26, 2019§ 27-2005, 2007 ADM CODE REMOVE DEVICE PREVENTING DOOR FROM BEING SELF-CLOSING , HOOK AND EYELET ASSEMBLY INSTALLED ON STREET ENTRANCE DOOR…
- Class CInspected Apr 26, 2019§ 27-2005, 2006, 2037 HMC: PROPERLY REPAIR AND ABATE UNSAFE ELECTRIC WIRING CONDITION CONSISTING OF EXPOSED ELECTRICAL WIRES NORTH WALL OF 1…
- Class BInspected Apr 26, 2019§ 27-2005, 2007 ADM CODE REMOVE ALL ENCUMBRANCES CONSISTING OF HOUSEHOLD ITEMS, GARBAGE CANS, AND RECYCLE CANS AT ALL STORIES AT FIRE STAIRS…
Recent ACRIS activity
Frequently asked questions about 639 WEST END AVENUE
Who owns 639 WEST END AVENUE?
The current registered owner of record for 639 WEST END AVENUE per NYC PLUTO is 639 APARTMENT CORP. MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.
When was 639 WEST END AVENUE last sold?
MetroDeeds shows no confirmed ACRIS deed transfer for 639 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 639 WEST END AVENUE have?
No open HPD housing-maintenance code violations are on record for 639 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 639 WEST END AVENUE?
NYC Department of Finance assesses 639 WEST END AVENUE at $7.36M 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 639 WEST END AVENUE and what does that mean?
639 WEST END AVENUE 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.