527 WEST 23 STREET
527 WEST 23 STREET is a Class D6 (elevator, pre-1929) building in Manhattan (BBL 1006950015) built in 2001, with 325 residential units across 14 floors.
The building is in NYC community district 104, council district 3, zoning district C6-3A, on a 37,031-square-foot lot with a building footprint of 300,000 square feet.
The current registered owner of record per NYC PLUTO is 23RD CHELSEA ASSOCIATES,.
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 OfficerCHRISTOPHER SCHMIDT
- Corporate Owner23RD CHELSEA ASSOCIATES LLC
- Managing AgentRELATED MANAGEMENT COMPANY,, L.P.
- Site ManagerJAN LYSAK
Most recent deed
Recent ACRIS documents (last 1)
Building stats
- Zoning:
- C6-3A
- Lot size:
- 37,031 sqft
- Building area:
- 300,000 sqft
- Floors:
- 14
- Assessed value:
- $45.7M
- Community district:
- 104
- Council district:
- 3
HPD violations
Recent HPD violation details
- Class AInspected Jun 9, 2021§ 27-2011 ADM CODE CLEANSE TO THE SATISFACTION OF THIS DEPARTMENT THE MOLD AT CERAMIC TILES ATVSOUTH ,WEST AND EAST WALLS IN THE BATHROOM LO…
- Class AInspected Apr 27, 2017§ 27-2104 ADM CODE POST AND MAINTAIN A PROPER SIGN ON WALL OF ENTRANCE STORY SHOWING THE REGISTRATION NUMBER ASSIGNED BY THE DEPARTMENT AND…
- Class AInspected Apr 27, 2017§ 329, M/D LAW AND DEPT. RULES AND REGS. PROVIDE A COMPLETED CERTIFICATE OF INSPECTION VISITS IN A PROPER FRAME AT OR NEAR MAILBOXES, BOTTOM…
- Class AInspected May 16, 2016§ 26-1103 ADMIN. CODE: POST AND MAINTAIN A PROPER NOTICE ON WALL OF THE ENTRANCE STORY IN ENGLISH AND SPANISH ON THE AVAILABILITY OF THE AGE…
- Class AInspected May 16, 2016§ 27-2045 ADM CODE POST A PROPER NOTICE OF SMOKE DETECTOR REQUIREMENTS, IN A FORM APPROVED BY THE COMMISSIONER, AT OR NEAR THE MAIL BOX SIGN…
Recent ACRIS activity
Frequently asked questions about 527 WEST 23 STREET
Who owns 527 WEST 23 STREET?
The current registered owner of record for 527 WEST 23 STREET per NYC PLUTO is 23RD CHELSEA ASSOCIATES,. MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.
When was 527 WEST 23 STREET last sold?
MetroDeeds shows no confirmed ACRIS deed transfer for 527 WEST 23 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 527 WEST 23 STREET have?
No open HPD housing-maintenance code violations are on record for 527 WEST 23 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 527 WEST 23 STREET?
NYC Department of Finance assesses 527 WEST 23 STREET at $45.72M 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 527 WEST 23 STREET and what does that mean?
527 WEST 23 STREET 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.