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NYC Building Records · BBL 1011840025

312 WEST 73 STREET

Manhattan · Block 1184 · Lot 25 · Elevator, semi-fireproof (Class D1)

312 WEST 73 STREET is a Class D1 (elevator, semi-fireproof) building in Manhattan (BBL 1011840025) built in 1898, with 16 residential units across 5 floors.

The building is in NYC community district 107, council district 6, zoning district R10A, on a 2,975-square-foot lot with a building footprint of 14,025 square feet.

The current registered owner of record per NYC PLUTO is 312 WEST 73RD STREET, 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

312 WEST 73RD STREET, LLC
HPD-registered head officer: MAGDALENA KOSZ

HPD registered contacts

People legally accountable to HPD for conditions at this building, in registration-priority order:
  • Head OfficerMAGDALENA KOSZ
  • Corporate Owner312 WEST 73RD STREET LLC
  • Managing AgentA.J. CLARKE REAL ESTATE CORP.
  • Site ManagerFRANK BRUSCO

Most recent deed

Most recent ACRIS document: MTGE recorded Jan 24, 2013.
🔒 See the full deed history for this building →

Recent ACRIS documents (last 2)

DateTypeAmountParties
Jan 24, 2013MTGE$30KParties redacted — full names in MetroDeeds Scout+
Jan 24, 2013AGMT$695KParties redacted — full names in MetroDeeds Scout+
🔒 Reveal the 2 redacted buyer/seller names above →

Building stats

Units
16
Year built
1898
Class
D1
Borough
Manhattan
Zoning:
R10A
Lot size:
2,975 sqft
Building area:
14,025 sqft
Floors:
5
Assessed value:
$1.8M
Community district:
107
Council district:
6

HPD violations

0 open
Most severe class on record: Class C (immediately hazardous)
No open violations on record. Source: NYC HPD.
🔒 See every closed violation + inspection history →

Recent HPD violation details

Most recent 5 violations issued by NYC HPD at this address:
  • Class CInspected Feb 20, 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 CInspected Feb 20, 2025
    § 27-2029 ADM CODE PROVIDE AN ADEQUATE SUPPLY OF HEAT FOR THE APARTMENT IN THE ENTIRE APARTMENT LOCATED AT APT 4A , 5th STORY, 1st APARTMENT…
  • Class CInspected Feb 20, 2025
    HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE AT CELLAR
  • Class BInspected Sep 22, 2017
    § 27-2045 ADM CODE REPAIR OR REPLACE THE SMOKE DETECTOR MISSING IN THE ENTIRE APARTMENT LOCATED AT APT 4A, 5th STORY, 1st APARTMENT FROM WES…
  • Class BInspected Sep 22, 2017
    § 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE CAULKING AROUND GLASS PANE AT LOWER WINDOW SASH IN THE 1st…
🔒 See closure dates + classification for all 0 →

Recent ACRIS activity

2 documents in the last 5 years (most recent Jan 24, 2013).

Frequently asked questions about 312 WEST 73 STREET

Who owns 312 WEST 73 STREET?

The current registered owner of record for 312 WEST 73 STREET per NYC PLUTO is 312 WEST 73RD STREET, LLC. MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.

When was 312 WEST 73 STREET last sold?

MetroDeeds shows no confirmed ACRIS deed transfer for 312 WEST 73 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 312 WEST 73 STREET have?

No open HPD housing-maintenance code violations are on record for 312 WEST 73 STREET 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 312 WEST 73 STREET?

NYC Department of Finance assesses 312 WEST 73 STREET at $1.77M 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 312 WEST 73 STREET and what does that mean?

312 WEST 73 STREET 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.

More from MetroDeeds

Go deeper on this building

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