401 AMSTERDAM AVENUE
401 AMSTERDAM AVENUE is a Class D6 (elevator, pre-1929) building in Manhattan (BBL 1012100001) built in 1927, with 80 residential units across 16 floors.
The building is in NYC community district 107, council district 6, zoning district R10A, on a 8,602-square-foot lot with a building footprint of 106,521 square feet.
The current registered owner of record per NYC PLUTO is SEEKEN 79 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 OfficerKENNETH ROTNER
- Corporate OwnerSEEKEN 79 REALTY LLC
- Managing AgentROTNER MANAGEMENT CORP
- Site ManagerANDRZEJ WITEK
Most recent deed
Building stats
- Zoning:
- R10A
- Lot size:
- 8,602 sqft
- Building area:
- 106,521 sqft
- Floors:
- 16
- Assessed value:
- $8.6M
- Community district:
- 107
- Council district:
- 6
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 CInspected Oct 6, 2023§ 27-2005, 2007 ADM CODE REMOVE DEVICE PREVENTING DOOR FROM BEING SELF-CLOSING CONSISTING OF HOOK AND EYE INSTALLED AT BUILDING ENTRANCE DOO…
- Class CInspected Oct 6, 2023§ 27-2005, 2007 ADM CODE REMOVE DEVICE PREVENTING DOOR FROM BEING SELF-CLOSING CONSISTING OF HOOK AND EYE INSTALLED AT VESTIBULE DOOR AT PUB…
- Class BInspected Oct 1, 2021§ 27-2005 ADM CODE REPAIR THE ROOF SO THAT IT WILL NOT LEAK OVER CEILING. IN THE 5th ROOM FROM NORTH AT EAST LOCATED AT APT 16A, 16th STORY,…
- Class BInspected Oct 1, 2021§ 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR ALL WALLS AND CEILING. IN THE 5th ROOM FRO…
Frequently asked questions about 401 AMSTERDAM AVENUE
Who owns 401 AMSTERDAM AVENUE?
The current registered owner of record for 401 AMSTERDAM AVENUE per NYC PLUTO is SEEKEN 79 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 401 AMSTERDAM AVENUE last sold?
MetroDeeds shows no confirmed ACRIS deed transfer for 401 AMSTERDAM 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 401 AMSTERDAM AVENUE have?
No open HPD housing-maintenance code violations are on record for 401 AMSTERDAM 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 401 AMSTERDAM AVENUE?
NYC Department of Finance assesses 401 AMSTERDAM AVENUE at $8.57M 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 401 AMSTERDAM AVENUE and what does that mean?
401 AMSTERDAM AVENUE is NYC building class D6 — Elevator, pre-1929. A pre-1929 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.