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NYC Building Records · BBL 1006930014

531 WEST 21 STREET

Manhattan · Block 693 · Lot 14 · Warehouse (Class E7)
Last recorded deed: Dec 2021

531 WEST 21 STREET is a Class E7 (warehouse) building in Manhattan (BBL 1006930014) built in 1921, with 2 residential units across 7 floors.

The building is in NYC community district 104, council district 3, zoning district M1-5, on a 12,261-square-foot lot with a building footprint of 91,591 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 $63.50M. The transaction was recorded as cash (no paired mortgage instrument).

Data sourced daily from NYC PLUTO (Department of City Planning), NYC ACRIS (Department of Finance), and NYC HPD housing-maintenance code violations.

Aerial map of 531 WEST 21 STREET, ManhattanStreet View of 531 WEST 21 STREET, Manhattan

Owner of record

SM I MMS, L.L.C.

Most recent deed

Last transferred on Dec 16, 2021 for $63.5M to SM I MMS, L.L.C..
Previous owner: WEST 21ST STREET PROPERTIES, LLC
Cash sale: no recorded mortgage tied to this transfer.
🔒 See all transfers before the 2021 sale →

Recent ACRIS documents (last 2)

DateTypeAmountParties
Dec 16, 2021DEED$63.5MParties redacted — full names in MetroDeeds Scout+
May 18, 2005DEED$28.8MParties redacted — full names in MetroDeeds Scout+
🔒 Reveal the 2 redacted buyer/seller names above →

Building stats

Units
2
Year built
1921
Class
E7
Borough
Manhattan
Zoning:
M1-5
Lot size:
12,261 sqft
Building area:
91,591 sqft
Floors:
7
Assessed value:
$5.6M
Community district:
104
Council district:
3

HPD violations

0 open
No open violations on record. Source: NYC HPD.
🔒 See every closed violation + inspection history →

Recent HPD violation details

No open HPD violations recorded for this building.

Recent ACRIS activity

2 documents in the last 5 years (most recent Dec 16, 2021).

Frequently asked questions about 531 WEST 21 STREET

Who owns 531 WEST 21 STREET?

The current registered owner of record for 531 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 531 WEST 21 STREET last sold?

The most recent ACRIS deed transfer for 531 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 $63.50M. The transaction was recorded as cash (no paired mortgage instrument).

How many HPD violations does 531 WEST 21 STREET have?

No open HPD housing-maintenance code violations are on record for 531 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 531 WEST 21 STREET?

NYC Department of Finance assesses 531 WEST 21 STREET at $5.63M 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 531 WEST 21 STREET and what does that mean?

531 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.

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