NYC property data › Brooklyn › Brownsville & Ocean Hill › 21 Marconi Place

21 Marconi Place

Brownsville & Ocean Hill, Brooklyn · One & two family homes · BBL 3015660008

View 21 Marconi Place on the Crezly property map →

2Units
2Floors
1,530Building sq ft
1,639Lot sq ft
1901Year built
R5Zoning
0.93 of 2.00Built FAR
2019Last sale
5DOB permits
4Open violations

Who owns this building?

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Sales history

RecordedDocumentAmount
2019-09-16Deednot recorded
2015-03-31Deed$137,000
2002-09-17Deed$325,000
2002-08-14Deednot recorded
1994-03-12Deednot recorded
1987-12-29Deednot recorded
1975-06-19Deednot recorded
1968-11-07Deednot recorded
1968-11-07Deednot recorded
1966-10-18Deednot 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
2021-09-22Renewal Permit Without ChangesMechanical Systems
2021-09-22Renewal Permit Without ChangesGeneral Construction
2021-07-06Initial PermitPlumbing
2021-06-30Initial PermitMechanical Systems
2021-05-17Initial PermitGeneral Construction

Source: DOB NOW approved permits, which covers 2017 onward. 5 permits on file for this lot.

Open HPD violations

ClassOpenMost recent
Class C (immediately hazardous)42004-12-20

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

  1. JPMORGAN Chase Bank, N.a. — 2,991 loans, typically $67K–$768K
  2. Citizens Bank NA — 2,020 loans, typically $150K–$750K
  3. TD Bank NA — 1,416 loans, typically $130K–$500K
  4. Rocket Mortgage, LLC — 1,052 loans, typically $126K–$532K
  5. Wells Fargo Bank, N.a. — 1,005 loans, typically $18K–$1.37M
Match this deal to 1,736 lenders

Other lots on this block

Recent sales in Brownsville & Ocean Hill

Brownsville & Ocean Hill 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 3015660008 · data refreshed 2026-08-14

Development & air rights

47% 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.