661 WEST END AVENUE
661 WEST END AVENUE is a Class C1 (walk-up, over six families) building in Manhattan (BBL 1012520015) built in 1901, with 9 residential units across 5 floors.
The building is in NYC community district 107, council district 6, zoning district R10A, on a 1,350-square-foot lot with a building footprint of 5,415 square feet.
The current registered owner of record per NYC PLUTO is 661 WEST END AVE CO..
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 OfficerIRA MITCHNECK
- Corporate Owner661 WEST END AVE CO LLC
Most recent deed
Building stats
- Zoning:
- R10A
- Lot size:
- 1,350 sqft
- Building area:
- 5,415 sqft
- Floors:
- 5
- Assessed value:
- $1.1M
- Community district:
- 107
- Council district:
- 6
HPD violations
Recent HPD violation details
Frequently asked questions about 661 WEST END AVENUE
Who owns 661 WEST END AVENUE?
The current registered owner of record for 661 WEST END AVENUE per NYC PLUTO is 661 WEST END AVE CO.. MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.
When was 661 WEST END AVENUE last sold?
MetroDeeds shows no confirmed ACRIS deed transfer for 661 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 661 WEST END AVENUE have?
No open HPD housing-maintenance code violations are on record for 661 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 661 WEST END AVENUE?
NYC Department of Finance assesses 661 WEST END AVENUE at $1.10M 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 661 WEST END AVENUE and what does that mean?
661 WEST END AVENUE is NYC building class C1 — Walk-up, over six families. A 3-to-6-story walk-up apartment building with more than 6 residential units. 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.