421 WEST 45 STREET
421 WEST 45 STREET is a Class C4 (walk-up, three families) building in Manhattan (BBL 1010550022) built in 1910, with 11 residential units across 5 floors.
The building is in NYC community district 104, council district 3, zoning district R8, on a 2,510-square-foot lot with a building footprint of 8,515 square feet.
The current registered owner of record per NYC PLUTO is 45TH STREET ASSOCIATES #1, 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 OfficerMARTIN HOLLANDER
- Corporate Owner45TH STREET ASSOCIATES
- Managing AgentMARIN MANAGEMENT CORP
- Site ManagerEDUARD POLYAK
Most recent deed
Recent ACRIS documents (last 5)
Building stats
- Zoning:
- R8
- Lot size:
- 2,510 sqft
- Building area:
- 8,515 sqft
- Floors:
- 5
- Assessed value:
- $627K
- Community district:
- 104
- Council district:
- 3
HPD violations
Recent HPD violation details
- Class BInspected Mar 3, 2016SECTION 27-2040 ADM CODE PROVIDE ADEQUATE LIGHTING AT OR NEAR THE OUTSIDE OF THE FRONT ENTRANCEWAY OF THE BUILDING AND KEEP SAME BURNING FRO…
- Class AInspected Sep 22, 2011§ 27-2026 ADM CODE RESET, SO AS TO SECURE A PROPER AND TIGHT CONNECTION, THE WATER CLOSET BOWL , IN THE BATHROOM LOCATED AT APT 2E, 2nd STOR…
- Class BInspected Sep 22, 2011§ 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE CERAMIC WALLS TILES ALL WALLS IN THE BATHROOM LOCATED AT AP…
Recent ACRIS activity
Other buildings in this portfolio
- 425 WEST 45 STREET77 violations
Frequently asked questions about 421 WEST 45 STREET
Who owns 421 WEST 45 STREET?
The current registered owner of record for 421 WEST 45 STREET per NYC PLUTO is 45TH STREET ASSOCIATES #1, LLC. MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.
When was 421 WEST 45 STREET last sold?
MetroDeeds shows no confirmed ACRIS deed transfer for 421 WEST 45 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 421 WEST 45 STREET have?
No open HPD housing-maintenance code violations are on record for 421 WEST 45 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 421 WEST 45 STREET?
NYC Department of Finance assesses 421 WEST 45 STREET at $627K 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 421 WEST 45 STREET and what does that mean?
421 WEST 45 STREET is NYC building class C4 — Walk-up, three families. A 3-to-6-story walk-up apartment building with 3 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.