Manhattan · BBL 1012780001
521 5 Avenue
- Use
- Office building
- Floors
- 38
- Built
- 1929
- Zoning
- C5-3 · built FAR 22.79 of 15
- Building
- 434,152 SF
- Lot
- 19,047 SF
- Assessed
- $76,803,300
Special District MiD
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
- 521 Fifth Avenue Property Investors Iv, Llc
- Last deed
- Recorded May 23, 2019 for $379.3M · from 521 Fifth Fee Owner LLC · to 521 Fifth Avenue Property Investors IV, LLC · held ~7 years (derived from the deed date)
- State filing
- Foreign Limited Liability Company · formed April 2, 2019 · NYS DOS
Sources & vintages
- DCP MapPLUTO / DOF assessment roll: owner of record · PLUTO bake (2026-07 pipeline): the recorded owner, often an entity; never beneficial ownership
- ACRIS: recorded deed · ACRIS as fetched (2026-07 pipeline)
- HPD multiple-dwelling registration: principals as filed · 2026-07-30: self-reported annual filing; names and roles only
- NYS DOS Active Corporations: entity filing · 2026-07-30: LLCs file no members; corporations may name a chairman/CEO
Recorded debt
Last recorded mortgage: June 14, 2019 · $72M (agreement recorded December 5, 2023 — the amount is the original note, not the current balance; ACRIS records the instrument, not its maturity)
- August 6, 2019 Mortgage assigned
- June 14, 2019 Mortgage assigned
- June 14, 2019 Mortgage · $72M
Sources & vintages
- ACRIS: recorded mortgage instruments · ACRIS as fetched (2026-07 pipeline): ACRIS carries no maturity date
Open recorded matters
Open violations: 2 DOB · latest June 14, 2011
Facade (FISP / Local Law 11): Safe with a repair and maintenance program (SWARMP) · cycle 9 · filed June 26, 2023.
Sources & vintages
- DOB / ECB / HPD: open violations · PLUTO bake (2026-07 pipeline)
- DOF: lien-sale eligibility list · as fetched (2026-07 pipeline)
- ACRIS judgments · DOB FISP/LL11 facade filings · as fetched (2026-07 pipeline)
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.