NYC property data › Manhattan › Upper East Side › 1637 First Avenue

1637 First Avenue

Upper East Side, Manhattan · Vacant land · BBL 1015480023

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26,575Lot sq ft
C2-8AZoning
2021Last sale
82DOB permits
23Open violations

Who owns this building?

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Sales history

RecordedDocumentAmount
2021-11-02Deednot recorded
2018-03-15Deed$16,000,000
1998-12-28Deednot 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
2026-07-13Renewal Permit with ChangesFoundation
2026-04-01Renewal Permit with ChangesEarth Work
2026-03-31Renewal Permit with ChangesSupport of Excavation
2026-03-26Renewal Permit Without ChangesSupport of Excavation
2026-03-09Initial PermitConstruction Fence

Source: DOB NOW approved permits, which covers 2017 onward. 82 permits on file for this lot.

Open HPD violations

ClassOpenMost recent
Class B (hazardous)212018-06-21
Class C (immediately hazardous)21989-07-19

Source: HPD open violations, classes B and C. A violation stays open until HPD certifies the correction, so an old date does not mean the condition persists today.

Motivated-Seller Score

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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 development site mortgages in Manhattan since 2021, from public ACRIS filings.

  1. Cerco Bl9 LLC — 3 loans, typically $3.07M–$6.91M
  2. Nw 10 West 17TH Lender LLC — 2 loans, typically $11.32M–$27.68M
  3. Levon 75-83 LLC — 2 loans, typically $4.97M–$5.72M
  4. Landesbank Hessen-Thuringen Girozentrale — 2 loans, typically $33.57M–$93.63M
  5. 44 W 8 Capital LLC — 4 loans, typically $1.81M–$6.4M
Match this deal to 38 lenders

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Other lots on this block

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Development & air rights

0% Underbuilt — 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.

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 1015480023 · data refreshed 2026-10-24