510 WEST 21 STREET
510 WEST 21 STREET is a Class E7 (warehouse) building in Manhattan (BBL 1006920041) built in 1928, with 2 residential units across 8 floors.
The building is in NYC community district 104, council district 3, zoning district M1-5, on a 13,800-square-foot lot with a building footprint of 124,385 square feet.
The current registered owner of record per NYC PLUTO is SM I MMS, L.L.C..
The most recent ACRIS deed transfer for this BBL was recorded on December 16, 2021 when WEST 21ST STREET PROPERTIES, LLC conveyed the property to SM I MMS, L.L.C. for $95.20M. The transaction was financed with a mortgage from Sm I Mms, L.l.c.; New York Smsa Limited Partnership; Verizon Wireless.
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
Most recent deed
Activity timeline
Recent ACRIS documents (last 3)
Building stats
- Zoning:
- M1-5
- Lot size:
- 13,800 sqft
- Building area:
- 124,385 sqft
- Floors:
- 8
- Assessed value:
- $7.7M
- Community district:
- 104
- Council district:
- 3
HPD violations
Recent HPD violation details
Recent ACRIS activity
Frequently asked questions about 510 WEST 21 STREET
Who owns 510 WEST 21 STREET?
The current registered owner of record for 510 WEST 21 STREET per NYC PLUTO is SM I MMS, L.L.C.. The most recent ACRIS deed transfer for this BBL was recorded on December 16, 2021 when the property was conveyed to SM I MMS, L.L.C.. PLUTO ownership is refreshed monthly by NYC Department of Finance; the registered owner may not reflect transactions recorded within the last 30 days.
When was 510 WEST 21 STREET last sold?
The most recent ACRIS deed transfer for 510 WEST 21 STREET was recorded on December 16, 2021, when WEST 21ST STREET PROPERTIES, LLC conveyed the property to SM I MMS, L.L.C. for $95.20M. The transaction was financed with a mortgage from Sm I Mms, L.l.c.; New York Smsa Limited Partnership; Verizon Wireless.
How many HPD violations does 510 WEST 21 STREET have?
No open HPD housing-maintenance code violations are on record for 510 WEST 21 STREET. The building is not registered with NYC HPD's landlord-registration system, which is typical for owner-occupied 1-2 family dwellings. HPD violation data is pulled daily from the NYC Open Data violations feed.
What is the assessed value of 510 WEST 21 STREET?
NYC Department of Finance assesses 510 WEST 21 STREET at $7.73M 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 510 WEST 21 STREET and what does that mean?
510 WEST 21 STREET is NYC building class E7 — Warehouse. Warehouse. 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.