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NYC Building Records · BBL 1019760019

517 WEST 121 STREET

Manhattan · Block 1976 · Lot 19 · Elevator, pre-1929 coop (Class D3)

517 WEST 121 STREET is a Class D3 (elevator, pre-1929 coop) building in Manhattan (BBL 1019760019) built in 2004, with 241 residential units across 19 floors.

The building is in NYC community district 109, council district 7, zoning district R8, on a 12,000-square-foot lot with a building footprint of 112,000 square feet.

The current registered owner of record per NYC PLUTO is TEACHERS COLLEGE COLUMBIA UNIVERITY.

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 17, 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

TEACHERS COLLEGE COLUMBIA UNIVERITY
HPD-registered head officer: THOMAS BAILEY

HPD registered contacts

People legally accountable to HPD for conditions at this building, in registration-priority order:
  • Head OfficerTHOMAS BAILEY
  • Corporate OwnerTEACHERS COLLEGE COLUMBIA
  • Managing AgentTEACHERS COLLEGE
  • Site ManagerKDEWAYNE WHITE

Most recent deed

Most recent ACRIS document: AGMT recorded Aug 12, 2019.
🔒 See full deed history for this building →

Recent ACRIS documents (last 1)

DateTypeAmountParties
Aug 12, 2019AGMTNot disclosedParties redacted — full names in MetroDeeds Scout+
🔒 Unlock party names + multi-decade history →

Building stats

Units
241
Year built
2004
Class
D3
Borough
Manhattan
Zoning:
R8
Lot size:
12,000 sqft
Building area:
112,000 sqft
Floors:
19
Assessed value:
$1.8M
Community district:
109
Council district:
7

HPD violations

0 open
Most severe class on record: Class A
No open violations on record. Source: NYC HPD.
🔒 See full violation history →

Recent HPD violation details

Most recent violation issued by NYC HPD at this address:
  • Class AInspected Apr 19, 2021
    (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…
🔒 See full violation history with closure dates →

Recent ACRIS activity

1 document in the last 5 years (most recent Aug 12, 2019).

Frequently asked questions about 517 WEST 121 STREET

Who owns 517 WEST 121 STREET?

The current registered owner of record for 517 WEST 121 STREET per NYC PLUTO is TEACHERS COLLEGE COLUMBIA UNIVERITY. MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.

When was 517 WEST 121 STREET last sold?

MetroDeeds shows no confirmed ACRIS deed transfer for 517 WEST 121 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 517 WEST 121 STREET have?

No open HPD housing-maintenance code violations are on record for 517 WEST 121 STREET as of May 17, 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 517 WEST 121 STREET?

NYC Department of Finance assesses 517 WEST 121 STREET at $1.78M 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 517 WEST 121 STREET and what does that mean?

517 WEST 121 STREET is NYC building class D3 — Elevator, pre-1929 coop. A pre-1929 cooperative 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.

More from MetroDeeds

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