NYC property data › Manhattan › Upper East Side › 645 Madison Avenue

645 Madison Avenue

Upper East Side, Manhattan · Commercial & office · BBL 1013740049

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34Units
22Floors
164,615Building sq ft
9,038Lot sq ft
1971Year built
C5-3Zoning
18.21 of 15.00Built FAR
$196.59M · 2022Last sale
83DOB permits
0Open violations

Who owns this building?

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Sales history

RecordedDocumentAmount
2022-04-29Deed$196,592,300
2022-04-14Deednot recorded
2005-11-14Deednot recorded
1989-11-27Deednot recorded

Source: NYC ACRIS. A $0 amount means the deed records no consideration — common on estate, correction and in-family transfers, and not a sale price of zero.

Recent DOB permits

IssuedTypeWork
2026-07-30Initial PermitPlumbing
2026-07-17Initial PermitMechanical Systems
2026-07-14Initial PermitGeneral Construction
2026-06-29Initial PermitGeneral Construction
2026-06-26Initial PermitSprinklers

Source: DOB NOW approved permits, which covers 2017 onward. 83 permits on file for this lot.

Owner debt & loan position

The most recent open mortgage recorded against this lot, when it was recorded, and how far into its term it is.

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Who finances deals like this

The lenders with the most recorded office mortgages in Manhattan since 2021, from public ACRIS filings.

  1. Deutsche Bank Ag, New York Branch — 21 loans, typically $11.23M–$38.17M
  2. Athene Annuity And Life Company — 14 loans, typically $3.17M–$45M
  3. Safra National Bank Of New York — 9 loans, typically $328K–$20M
  4. Metlife Real Estate Lending LLC — 8 loans, typically $1.15M–$25M
  5. Corebridge Institutional Investments (u.s.), LLC — 5 loans, typically $37.71M–$54.61M
Match this deal to 179 lenders

Other lots on this block

Recent sales in Upper East Side

Upper East Side commercial real-estate market data →

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Compiled from NYC Open Data: PLUTO (lot and building attributes), ACRIS (deeds and mortgages), DOB NOW (permits) and HPD (violations). Public record, presented as recorded; Crezly does not warrant it. BBL 1013740049 · data refreshed 2026-08-14

Development & air rights

121% Utilization — built floor area as a share of the estimated as-of-right maximum

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Estimated from NYC PLUTO zoning data. This is not a zoning analysis — confirm with a zoning attorney or architect before relying on it. As-of-right only: excludes bonuses, air-rights transfers and variances.