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Brooklyn

251 Prospect Ave

Brooklyn, NY 11215Company-ownedBBL 3010530092BIN 3024217
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Updated Aug 1, 2026 · 16 sources

Floors4
ClassV1
Market Value$505K

251 PROSPECT AVE is a property located at 251 PROSPECT AVE, Brooklyn, NY 11215. The building has 4 floors. The assessed market value is $505K. It last sold for $7.5M on Jun 24, 2021. Public records list the property as company-owned. There are 7 building permits on record (6 active). There are 5 violations on record (2 currently open). Data sourced from NYC Department of Buildings (DOB), Housing Preservation & Development (HPD), Department of Finance (DOF), and other government agencies.

A RegWatch Dossier

40records on file

The lot at 251 Prospect Ave rises 4 stories over Kings. It is carried on the public rolls at a market value of $505K, and assessed for tax at $227K. In the 44 years its record reaches back, the lot has drawn 40 separate government filings.

The documentary life of the address leans hard toward permit: 7 of its 40 records, fully 18%, fall under that one heading. Sale (6) and violation (5) trail well behind. 2 violations stand 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 2013.

Read together — 18% permit, 44 years of accumulation, a parcel of Kings — these scattered records compose a portrait of the address that no single page sets out to draw.

$505K of Kings, written across 40 government filings.

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

Property Details

Address251 PROSPECT AVE, Brooklyn, NY 11215
V1
Year BuiltN/A
Floors4
Total UnitsN/A
Building AreaN/A
Lot SizeN/A
3010530092
3024217
OwnershipCompany-owned

Assessment & Sales

$505K
$227K
$227K
$7.5M
Last Sale DateJun 24, 2021

Building Permits

7 on record · 6 active
Alteration — Type 3DOB Legacy
SIGNED OFF
Filed Mar 16, 2016Est. cost $10KJob #320998293-01

STRUCTURAL

View this permit's full record & inspection history →
AlterationDOB Legacy
ISSUED
Filed Jun 11, 2014Job #320998293-01-01

OT

View this permit's full record & inspection history →
Construction EquipmentDOB Legacy
ISSUED
Filed Apr 28, 2014Job #320776460-01-02
View this permit's full record & inspection history →
DemolitionDOB Legacy
PERMIT ISSUED - ENTIRE JOB/WORK
Filed Apr 28, 2014Job #320776460-01
View this permit's full record & inspection history →
Construction EquipmentDOB Legacy
ISSUED
Filed Oct 11, 2013Job #320776460-01-01
View this permit's full record & inspection history →

+ 2 more permits — view full report

Violations

5 on record · 2 open
DOB LegacyAEUHAZ1
ACTIVE
Issued Aug 28, 2013#1802890

FAILURE TO CERTIFY CORRECTION ON IMMEDIATELY HAZARDOUS (CLASS 1) ECB VIOLATION

View this violation's full details & status history →
ECBConstruction
ACTIVE
Issued Jun 5, 2013#35017425Y

FAILURE TO MAINTAIN BLDG IN A CODE COMPLIANT MANNER. NOTE: AT REAR OF PREMISES 3/4 OF THE BLDG APPROX 54' HAS BEEN DEMOLISHED/REMOVED/MISSING. THE REMAINING SECTION IS IN TOTAL DISREPAIR & IN DANGER OF COLLAPSE

View this violation's full details & status history →

+ 3 more violations on record — view full report

Get the Complete Report for 251 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 251 PROSPECT AVE, Brooklyn?

Yes. 251 PROSPECT AVE, Brooklyn, NY 11215 has 7 building permits on record, with 6 currently active. Permits are sourced from the NYC Department of Buildings (DOB Legacy and DOB NOW systems). The most recent permit is a Alteration — Type 3 (SIGNED OFF) filed Mar 16, 2016.

Does 251 PROSPECT AVE, Brooklyn have violations?

Yes. 251 PROSPECT AVE, Brooklyn, NY 11215 has 5 violations on record, with 2 currently open. Breakdown: 3 DOB, 2 ECB. Sources: NYC DOB, HPD, and ECB/OATH.

Does 251 PROSPECT AVE, Brooklyn have docketed judgments?

No docketed OATH judgments were found in local records for 251 PROSPECT AVE, Brooklyn, NY 11215. Judgment data is sourced from NYC Office of Administrative Trials & Hearings (OATH) hearing records.

What is the property tax assessment for 251 PROSPECT AVE?

251 PROSPECT AVE, Brooklyn, NY 11215 has an assessed market value of $505K and a total assessed value of $227K (land: $227K). Assessment data is from the NYC Department of Finance (DOF).

When was 251 PROSPECT AVE last sold?

251 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 251 PROSPECT AVE?

251 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 251 PROSPECT AVE?

Search 251 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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251 PROSPECT AVE, Brooklyn, NY 11215 — Property Records, Permits, Violations, Tax & Zoning | RegWatch