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Brooklyn

51 Diamond St

Brooklyn, NY 11222Company-ownedBBL 3026840015BIN 3429820
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Updated Aug 1, 2026 · 16 sources

Floors2
ClassV0
Market Value$319K

51 DIAMOND ST is a property located at 51 DIAMOND ST, Brooklyn, NY 11222. The building has 2 floors. The assessed market value is $319K. It last sold for $5.1M on Oct 21, 2021. Public records list the property as company-owned. There are 10 building permits on record (8 active). There are 4 violations on record (0 currently open). 1 docketed judgment is 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

37records on file

The lot at 51 Diamond St rises 2 stories over Kings. It is carried on the public rolls at a market value of $319K, and assessed for tax at $19.1K. In the 47 years its record reaches back, the lot has drawn 37 separate government filings.

The documentary life of the address leans hard toward permit: 10 of its 37 records, fully 27%, fall under that one heading. Complaint (7) and mortgage (5) trail well behind. No 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 2019.

Read together — 27% permit, 47 years of accumulation, a parcel of Kings — these scattered records compose a portrait of the address that no single page sets out to draw.

$319K of Kings, written across 37 government filings.

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

Property Details

Address51 DIAMOND ST, Brooklyn, NY 11222
V0
Year BuiltN/A
Floors2
Total UnitsN/A
Building AreaN/A
Lot SizeN/A
3026840015
3429820
OwnershipCompany-owned

Assessment & Sales

$319K
$19K
$19K
$5.1M
Last Sale DateOct 21, 2021

Building Permits

10 on record · 8 active
Alteration — Type 3DOB Legacy
SIGNED OFF
Filed Aug 8, 2019Job #321630419-01
View this permit's full record & inspection history →
DemolitionDOB Legacy
SIGNED OFF
Filed Jul 18, 2019Job #321553001-01
View this permit's full record & inspection history →
Construction EquipmentDOB Legacy
ISSUED
Filed Jun 18, 2019Job #321630419-01-03

EQ

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Alteration — Type 3DOB Legacy
PERMIT ISSUED - ENTIRE JOB/WORK
Filed Feb 26, 2019Job #321698007-01

BPP

View this permit's full record & inspection history →
New BuildingDOB Legacy
PLAN EXAM - APPROVED
Filed Nov 9, 2018Job #321793626-01

GEN. CONSTR.

View this permit's full record & inspection history →

+ 5 more permits — view full report

Violations

4 on record · none currently open
Judgments · 1 docketed
DOB summons (OATH)JUDGMENT DOCKETED
Docketed Oct 31, 2019Ticket #035356543L
FAILURE TO CARRY OUT DEMOLITION OPERATIONS AS REQUIRED BY SECTION
DOB LegacyAEUHAZ1
DISMISSED
Issued Jul 9, 2019#2370092

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

View this violation's full details & status history →
ECBConstruction
RESOLVE
Issued Apr 9, 2019#35356543L

FAIURE TO CARRY OUT DEMOLITION OPERATIONS AS REQUIRED BY SECTION. AT TIME OF INSPECTION ON THIS DEMOLITION SIGN OFF LOCATION I OBSERVED SITE AT NOT BACK FILLED & GRADED. BRICK WALL AT EXP#3 HAS NOT BEEN REMOVED

View this violation's full details & status history →
DOB LegacyC
DISMISSED
Issued Feb 16, 2016#2038229

DUE TO FIRE OCCURRED @ ADJACENT PROPERY 49 DIAMOND ST THE BLDG EXP#2 BEARING WALL BTW 1ST & ROOF FLRS IS STRUCTURALLY COMPROMISED W/WALL STUDS FIRE CHARRED & UNABLE TO PROPERLY CARRY LOADS.THE BLDG IS NOT A SAFE CONDITION. REMEDY:OWNER IS RESPONSIBLE @ ALL TIMES TO KEEP BLG SAFE.ENGAGE LIC PE.OBTAI PERMITS FOR REPAIR WORK NO LTR THAN 3/1/2016

View this violation's full details & status history →
DOB LegacyC
DISMISSED
Issued Feb 15, 2016#2037914

DUE TO FIRE

View this violation's full details & status history →

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Frequently Asked Questions

Are there building permits at 51 DIAMOND ST, Brooklyn?

Yes. 51 DIAMOND ST, Brooklyn, NY 11222 has 10 building permits on record, with 8 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 Aug 8, 2019.

Does 51 DIAMOND ST, Brooklyn have violations?

Yes. 51 DIAMOND ST, Brooklyn, NY 11222 has 4 violations on record, with 0 currently open. Breakdown: 3 DOB, 1 ECB. Sources: NYC DOB, HPD, and ECB/OATH.

Does 51 DIAMOND ST, Brooklyn have docketed judgments?

Yes. 51 DIAMOND ST, Brooklyn, NY 11222 has 1 docketed judgment 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 51 DIAMOND ST?

51 DIAMOND ST, Brooklyn, NY 11222 has an assessed market value of $319K and a total assessed value of $19K (land: $19K). Assessment data is from the NYC Department of Finance (DOF).

When was 51 DIAMOND ST last sold?

51 DIAMOND ST, Brooklyn, NY 11222 last sold for $5.1M on Oct 21, 2021. Sale records are sourced from NYC ACRIS and Department of Finance rolling sales data.

Who owns 51 DIAMOND ST?

51 DIAMOND ST, Brooklyn, NY 11222 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 51 DIAMOND ST?

Search 51 DIAMOND ST 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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51 DIAMOND ST, Brooklyn, NY 11222 — Property Records, Permits, Violations, Tax & Zoning | RegWatch