NYC property data › Brooklyn › Crown Heights North & Prospect Heights › 578 Ralph Avenue

578 Ralph Avenue

Crown Heights North & Prospect Heights, Brooklyn · Multi-family walk-up · BBL 3013870052

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19Units (17 residential)
4Floors
14,400Building sq ft
4,000Lot sq ft
1922Year built
R6Zoning
3.60 of 4.80Built FAR
1996Last sale
4DOB permits
74Open violations

Who owns this building?

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Sales history

RecordedDocumentAmount
1996-01-11Deednot recorded
1979-04-18Deednot recorded
1976-11-04Deednot recorded
1971-07-12Deednot recorded
1971-07-12Deednot recorded
1968-03-14Deednot 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
2025-03-11Renewal Permit Without ChangesPlumbing
2024-06-25Initial PermitPlumbing
2023-06-29Initial PermitPlumbing
2022-11-10Initial PermitGeneral Construction

Source: DOB NOW approved permits, which covers 2017 onward. 4 permits on file for this lot.

Open HPD violations

ClassOpenMost recent
Class B (hazardous)642026-02-25
Class C (immediately hazardous)102026-04-23

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

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Other lots on this block

Recent sales in Crown Heights North & Prospect Heights

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Development & air rights

75% 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.

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 3013870052 · data refreshed 2026-10-24