Skip to content

Brooklyn

451 Union St

Brooklyn, NY 11231Individually ownedBBL 3004300060BIN 3007161
Save buildingView report

Updated Aug 1, 2026 · 16 sources

Floors2
ClassA9
Market Value$1.2M

451 UNION ST is a property located at 451 UNION ST, Brooklyn, NY 11231. The building has 2 floors. The assessed market value is $1.2M. Public records list the property as individually owned. There are 1 building permit on record (1 active). There are 6 violations on record (0 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

60records on file

The lot at 451 Union St rises 2 stories over Kings. It is carried on the public rolls at a market value of $1.2M, and assessed for tax at $23.2K. In the 56 years its record reaches back, the lot has drawn 60 separate government filings.

The documentary life of the address leans hard toward complaint: 12 of its 60 records, fully 20%, fall under that one heading. Mortgage (11) and sale (9) trail well behind. No violations stand open against it today.

The pace is anything but even. Activity is spread across the decades, with 1997 the busiest year on file.

Read together — 20% complaint, 56 years of accumulation, a parcel of Kings — these scattered records compose a portrait of the address that no single page sets out to draw.

$1.2M of Kings, written across 60 government filings.

Open the live report — daily-updated data, AI chat & alerts
Sources
NYC DOBNYC HPDNYC DOFACRISNYC DCPECB/OATHNYC DEPNYC LPCNYC FDNYNYS DHCRMOCEJFEMAEPAUS CensusHUDUSGS
updated

Property Details

Address451 UNION ST, Brooklyn, NY 11231
A9
Year BuiltN/A
Floors2
Total UnitsN/A
Building AreaN/A
Lot SizeN/A
3004300060
3007161
OwnershipIndividually owned

Assessment & Sales

$1.2M
$23K
$9K

Building Permits

1 on record · 1 active
Alteration — Type 1DOB Legacy
PLAN EXAM - APPROVED
Filed Jun 20, 2000Est. cost $1KJob #301038712-01

NO WORK

View this permit's full record & inspection history →

Violations

6 on record · none currently open
Judgments · 2 docketed
DOB summons (OATH)JUDGMENT DOCKETED
Docketed Feb 4, 2008Ticket #034556818L
FAILURE TO COMPLY WITH AN ORDER OF THE DEPARTMENT
OATH summonsJUDGMENT DOCKETED
Docketed Jul 31, 2004Ticket #0138525732
20040122N
ECB
RESOLVE
Issued Nov 29, 2012#35000814R

FAILURE TO COMPLY W/COMMISSIONERS ORDER TO FILE A CERTIFICATE OF CORRECTION W/DOB NOTED:NO CERTIFICATE OF CORRECTION HAS BEEN FILED FOR NOV 34556818L ISSUED 11/25/06.RMDY:FILE CERTIFICATE OF CORRECTION.

View this violation's full details & status history →
ECB
RESOLVE
Issued Nov 25, 2006#34556818L

FAILURE TO COMPLY WITH COMMISSIONERS ORDER IN THAT VI 345285654 ISSUEDON 7-1-06 FOR WORK W/O A PERMIT FOR CLASS A APT IN CELLAR.REMEDY:COM PLY WITH COMMISSIONERS ORDER OBTAIN PERMITS.

View this violation's full details & status history →
ECB
RESOLVE
Issued Jul 1, 2006#34528565Y

NO ACCESS. VIOLATION WRITTEN BASED UPON NO RECORDS OF CORRECTION FOR ECB #34437133R FOR WORK W/O A PERMIT FOR PLUMBING FOR BATHROOMS & KITCHEN & PARTITIONS @ CELLAR. REMEDY:COMPLY W/ COMMISSIONER'S ORDERS.

View this violation's full details & status history →
ECBConstruction
RESOLVE
Issued Jun 3, 2004#34437133R

WORK WITHOUT A PERMIT. WORK NOTED: CELLAR A CLASS A APT ERECTED A 3PC BATHROOM AND ALSO TWO 3PC BATHROOM WITH A FULL KITCHEN ALSO ERECTED ENTERIOR WALL PARTITION CREATING A BEDROOM. REMEDY: OBTAIN A PERMIT.

View this violation's full details & status history →
ECBConstruction
RESOLVE
Issued Jun 3, 2004#34437134Z

OCCUPANCY CONTRARY TO THAT ALLOWED BY BUILDING DEPARTMENT RECORDS OCCUPANCY DEFECTS CELLAR CLOSE (A) APT 3 PC BATHROOM, TWO BATHROOM A FULL KITCHEN WITH GAS STOVE A BEDROOM. REMEDY: DISCONTINUE ILLEGAL USE OR

View this violation's full details & status history →

+ 1 more violation on record — view full report

Get the Complete Report for 451 UNION ST

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

Free to view core records, no credit card required — the paid report adds title history & analysis.

View Report

Frequently Asked Questions

Are there building permits at 451 UNION ST, Brooklyn?

Yes. 451 UNION ST, Brooklyn, NY 11231 has 1 building permit on record, with 1 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 1 (PLAN EXAM - APPROVED) filed Jun 20, 2000.

Does 451 UNION ST, Brooklyn have violations?

Yes. 451 UNION ST, Brooklyn, NY 11231 has 6 violations on record, with 0 currently open. Breakdown: 6 ECB. Sources: NYC DOB, HPD, and ECB/OATH.

Does 451 UNION ST, Brooklyn have docketed judgments?

Yes. 451 UNION ST, Brooklyn, NY 11231 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 451 UNION ST?

451 UNION ST, Brooklyn, NY 11231 has an assessed market value of $1.2M and a total assessed value of $23K (land: $9K). Assessment data is from the NYC Department of Finance (DOF).

Who owns 451 UNION ST?

451 UNION ST, Brooklyn, NY 11231 is individually 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 451 UNION ST?

Search 451 UNION 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.

Search Another Property

Look up violations, permits, and records for any tri-state address.

Related searches
Brooklyn Property Search →Brooklyn Permit Search →Brooklyn Violation Lookup →Brooklyn Tax Search →Brooklyn Title Search →Brooklyn Zoning Lookup →NYC Permit Search →NYC Violation Lookup →NYC Property Tax →NYC Zoning Lookup →NYC Compliance Deadlines →NYC Violation Types →Free Property Search →Data Sources →Class A Buildings Guide →
451 UNION ST, Brooklyn, NY 11231 — Property Records, Permits, Violations, Tax & Zoning | RegWatch