NYC property data › Brooklyn › Park Slope, Carroll Gardens & Red Hook › 647 Union Street

647 Union Street

Park Slope, Carroll Gardens & Red Hook, Brooklyn · Commercial & office · BBL 3004340049

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76Units
5Floors
22,805Building sq ft
9,500Lot sq ft
2015Year built
M1-4/R7AZoning
2.40 of 4.00Built FAR
2018Last sale
3DOB permits
1Open violations

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Sales history

RecordedDocumentAmount
2018-01-31Deednot recorded
2014-08-18Deednot recorded
2012-09-28Deed$2,533,400
2008-11-17Deed$600,000

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
2024-04-12Renewal Permit Without ChangesProtection and Mechanical Methods
2023-04-26Initial PermitProtection and Mechanical Methods
2020-08-06Initial PermitBoiler Equipment

Source: DOB NOW approved permits, which covers 2017 onward. 3 permits on file for this lot.

Open HPD violations

ClassOpenMost recent
Class C (immediately hazardous)12020-12-14

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 hospitality mortgages in Brooklyn since 2021, from public ACRIS filings.

  1. State Bank Of Texas — 13 loans, typically $3.58M–$6M
  2. Kenden LLC — 2 loans, typically $100K–$1M
  3. Brooklyn Queens Portfolio Lender 1 LLC — 5 loans, typically $10.48M–$15M
  4. Acrefi B-Ii, LLC — 3 loans, typically $4.23M–$105.78M
  5. Acres Loan Orgination, LLC As Administrative Agent — 3 loans, typically $5.16M–$12.5M
Match this deal to 41 lenders

Other lots on this block

Recent sales in Park Slope, Carroll Gardens & Red Hook

Park Slope, Carroll Gardens & Red Hook 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 3004340049 · data refreshed 2026-08-14

Development & air rights

60% 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.