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Brooklyn

257 Prospect Ave

Brooklyn, NY 11215Company-ownedBBL 3010530086BIN 3000000
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Updated Aug 1, 2026 · 16 sources

Floors5
ClassD1
Market Value$2.5M

257 PROSPECT AVE is a property located at 257 PROSPECT AVE, Brooklyn, NY 11215. The building has 5 floors. The assessed market value is $2.5M. It last sold for $7.5M on Jun 24, 2021. Public records list the property as company-owned. There are 13 building permits on record (10 active). There are 5 violations on record (1 currently open). 2 docketed judgments are on record with OATH. Data sourced from NYC Department of Buildings (DOB), Housing Preservation & Development (HPD), Department of Finance (DOF), and other government agencies.

A RegWatch Dossier

53records on file

The lot at 257 Prospect Ave rises 5 stories over Kings. It is carried on the public rolls at a market value of $2.5M, and assessed for tax at $1.1M. In the 51 years its record reaches back, the lot has drawn 53 separate government filings.

The documentary life of the address leans hard toward permit: 13 of its 53 records, fully 25%, fall under that one heading. Sale (9) and mortgage (5) trail well behind. 1 violation stands open against it today.

The pace is anything but even. The early decades pass in near silence; the filings cluster heavily in recent years, peaking in 2021.

Read together — 25% permit, 51 years of accumulation, a parcel of Kings — these scattered records compose a portrait of the address that no single page sets out to draw.

$2.5M of Kings, written across 53 government filings.

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Sources
NYC DOBNYC HPDNYC DOFACRISNYC DCPECB/OATHNYC DEPNYC LPCNYC FDNYNYS DHCRMOCEJFEMAEPAUS CensusHUDUSGS
updated

Property Details

Address257 PROSPECT AVE, Brooklyn, NY 11215
D1
Year BuiltN/A
Floors5
Total UnitsN/A
Building AreaN/A
Lot SizeN/A
3010530086
3000000
OwnershipCompany-owned

Assessment & Sales

$2.5M
$1.1M
$551K
$7.5M
Last Sale DateJun 24, 2021

Building Permits

13 on record · 10 active
DemolitionDOB Legacy
SIGNED OFF
Filed Apr 15, 2022Job #322096058-01
View this permit's full record & inspection history →
DemolitionDOB Legacy
SIGNED OFF
Filed Apr 15, 2022Job #322096049-01
View this permit's full record & inspection history →
Sidewalk ShedDOB NOW
PERMIT ISSUED
Filed Feb 23, 2022Est. cost $5KJob #B00581406-I1

Renewal Permit Without Changes

View this permit's full record & inspection history →
General ConstructionDOB NOW
PERMIT ENTIRE
Filed Feb 23, 2022Est. cost $5KJob #B00581406-I1
View this permit's full record & inspection history →
General ConstructionDOB NOW
PERMIT ENTIRE
Filed Feb 23, 2022Est. cost $12KJob #B00578231-I1
View this permit's full record & inspection history →

+ 8 more permits — view full report

Violations

5 on record · 1 open
Judgments · 2 docketed
DOB summons (OATH)JUDGMENT DOCKETED
Docketed May 31, 2024Ticket #039523994L
TEMP CONSTRUCTION EQUIP INSTALLATION ON SITE EXPIRED PERMIT SHED
DOB summons (OATH)JUDGMENT DOCKETED
Docketed Oct 31, 2022Ticket #035506468L
MISCELLANEOUS VIOLATIONS
ECB
ACTIVE
Issued Dec 11, 2023#39523994L

AT THE TIME OF MY INSPECTION, I OBSERVED SIDEWALK SHED IN PLACE AT EXPOSURE #1 WITH ALL THE LIGHT BULBS WORKING, UPON REVIEW OF THE DEPARTMENT RECORDS IT REVEAL THAT THE SIDEWALK SHED PERMIT HAS BEEN EXPIRED FR

View this violation's full details & status history →

+ 4 more violations on record — view full report

Get the Complete Report for 257 PROSPECT AVE

Title history, detailed tax records, environmental data, zoning analysis, and more from 250+ government sources.

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Frequently Asked Questions

Are there building permits at 257 PROSPECT AVE, Brooklyn?

Yes. 257 PROSPECT AVE, Brooklyn, NY 11215 has 13 building permits on record, with 10 currently active. Permits are sourced from the NYC Department of Buildings (DOB Legacy and DOB NOW systems). The most recent permit is a Demolition (SIGNED OFF) filed Apr 15, 2022.

Does 257 PROSPECT AVE, Brooklyn have violations?

Yes. 257 PROSPECT AVE, Brooklyn, NY 11215 has 5 violations on record, with 1 currently open. Breakdown: 2 DOB, 3 ECB. Sources: NYC DOB, HPD, and ECB/OATH.

Does 257 PROSPECT AVE, Brooklyn have docketed judgments?

Yes. 257 PROSPECT AVE, Brooklyn, NY 11215 has 2 docketed judgments on record with the NYC Office of Administrative Trials & Hearings (OATH). A docketed judgment is an enforceable money judgment entered by OATH after a hearing on a summons issued at this property; where the respondent is the property owner it can attach to the property as a lien.

What is the property tax assessment for 257 PROSPECT AVE?

257 PROSPECT AVE, Brooklyn, NY 11215 has an assessed market value of $2.5M and a total assessed value of $1.1M (land: $551K). Assessment data is from the NYC Department of Finance (DOF).

When was 257 PROSPECT AVE last sold?

257 PROSPECT AVE, Brooklyn, NY 11215 last sold for $7.5M on Jun 24, 2021. Sale records are sourced from NYC ACRIS and Department of Finance rolling sales data.

Who owns 257 PROSPECT AVE?

257 PROSPECT AVE, Brooklyn, NY 11215 is company-owned according to public records. Ownership data is from NYC Department of Finance assessment rolls. View the current owner of record and registered contacts in the full property report on RegWatch.

How do I get a full property report for 257 PROSPECT AVE?

Search 257 PROSPECT AVE on RegWatch to see its public record free — violations, permits, tax records, zoning, environmental data, and more from 250+ government sources, no credit card required. A Full Analysis report adds the complete title history, owner contacts, and a downloadable PDF.

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257 PROSPECT AVE, Brooklyn, NY 11215 — Property Records, Permits, Violations, Tax & Zoning | RegWatch