634 ST NICHOLAS AVENUE
634 ST NICHOLAS AVENUE is a Class D1 (elevator, semi-fireproof) building in Manhattan (BBL 1020510020) built in 1930, with 60 residential units across 6 floors.
The building is in NYC community district 109, council district 9, zoning district R7A, on a 10,287-square-foot lot with a building footprint of 37,752 square feet.
The current registered owner of record per NYC PLUTO is 634 NICK PARTNERS, L.P..
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 OfficerMARK SCHARFMAN
- Corporate Owner634 NICK PARTNERS LP
- Site ManagerDIO DEL ROSARIO
Most recent deed
Recent ACRIS documents (last 4)
Building stats
- Zoning:
- R7A
- Lot size:
- 10,287 sqft
- Building area:
- 37,752 sqft
- Floors:
- 6
- Assessed value:
- $2.9M
- Community district:
- 109
- Council district:
- 9
HPD violations
Recent HPD violation details
- Class AInspected Jan 31, 2026§ 27-2013 ADM CODE PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT WEST WALL IN VESTIBULE HALL , 1st STORY
- Class CInspected Jan 31, 2026HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 2K, 2nd STORY, 6th APARTMENT FR…
- Class BInspected Jan 31, 2026§ 27-2026 ADM CODE REPAIR THE BROKEN OR DEFECTIVE CONNECTION WASTELINE PIPE AT SINK IN THE KITCHEN LOCATED AT APT 2K, 2nd STORY, 6th APARTME…
- Class CInspected Jan 31, 2026HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 2F, 2nd STORY, 1st APARTMENT FR…
- Class CInspected Jan 7, 2026§ 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…
Recent ACRIS activity
Frequently asked questions about 634 ST NICHOLAS AVENUE
Who owns 634 ST NICHOLAS AVENUE?
The current registered owner of record for 634 ST NICHOLAS AVENUE per NYC PLUTO is 634 NICK PARTNERS, L.P.. MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.
When was 634 ST NICHOLAS AVENUE last sold?
MetroDeeds shows no confirmed ACRIS deed transfer for 634 ST NICHOLAS 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 634 ST NICHOLAS AVENUE have?
No open HPD housing-maintenance code violations are on record for 634 ST NICHOLAS 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 634 ST NICHOLAS AVENUE?
NYC Department of Finance assesses 634 ST NICHOLAS AVENUE at $2.92M 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 634 ST NICHOLAS AVENUE and what does that mean?
634 ST NICHOLAS AVENUE 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.