621 West 51 Street

What changed

Recorded and self-reported changes detected June 3, 2026 → September 1, 2026 · derived September 1, 2026

No qualifying recorded change was detected for this building in Atlas's change-detection window (June 3, 2026 → September 1, 2026). This is a detection result, not a stability claim. Standing conditions may predate the window.

Ownership

Owner of record

Key 621 West 51St Street Realty Company Llc

Last deed

Recorded April 1, 2015, no stated consideration (price not public) · from Estate of Leonard Schlussel, Deceased, Key 51ST Street Realty Company, Schlussel, Trustee, Irving · to Key 621 West 51ST Street Realty Company LLC · held ~11 years (derived from the deed date)

State filing

Domestic Limited Liability Company · formed March 4, 2015 · NYS DOS

HPD registration

last registered July 8, 2022, valid through September 1, 2023 · expired; contacts may be out of date

1 individual named on file (HPD, DOB or state filings). Sign in to see them.

Recorded debt

Last recorded mortgage: February 1, 1968 (assignment of mortgage recorded April 10, 1973 — the amount is the original note, not the current balance; ACRIS records the instrument, not its maturity)

• April 10, 1973 Mortgage assigned
• October 10, 1968 Mortgage assigned
• February 1, 1968 Mortgage

Open recorded matters

Open violations: 8 DOB · HPD A 18 · B 16 · C 5 · latest April 29, 2026

Freshness

• PLUTO (lot, building, zoning, owner of record)PLUTO bake (2026-07 pipeline)
• ACRIS (deeds, mortgages, judgments)ACRIS as fetched (2026-07 pipeline)
• HPD / DOB / DOS filings (principals)2026-07-30
• Atlas change detection2026-09-01 · window 2026-06-03 → 2026-09-01

Everything on this page is drawn from the digitized public record for this lot. Where a section shows nothing, Atlas has no digitized record of that kind for this building.