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Brooklyn • Two Family Dwelling

454 Ave X

Brooklyn, NY 11223Individually ownedBBL 3072000016BIN 3195359
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Updated Sep 15, 2026 · 16 sources

Year Built1950
Floors1
Units2
Building Area2,640 sqft
ZoningR4
ClassB3
Market Value$1.6M

454 AVE X is a property located at 454 AVE X, Brooklyn, NY 11223. It is classified as a two family dwelling - converted. The building was constructed in 1950. It has 1 floor and 2 units. The building area is 2,640 square feet on a 3,700 sqft lot. The property is zoned R4. The assessed market value is $1.6M. Public records list the property as individually owned. There are 1 violation on record (1 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

22records on file

Completed in 1950, 456 Ave X rises 1 story over Kings. Public records put it at 2 units and 2,640 square feet of floor area, on land zoned R4. It is carried on the public rolls at a market value of $1.6M, and assessed for tax at $97.5K. In the 50 years its record reaches back, the lot has drawn 22 separate government filings.

The documentary life of the address leans hard toward assignment: 12 of its 22 records, fully 55%, fall under that one heading. Sale (2) and complaint (2) 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 2026.

Read together — 55% assignment, 50 years of accumulation, a parcel of Kings — these scattered records compose a portrait of the address that no single page sets out to draw.

$1.6M of Kings, written across 22 government filings.

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

Property Details

Address454 AVE X, Brooklyn, NY 11223
Building TypeTwo Family Dwelling - Converted
B3
Year Built1950
Floors1
Total Units2
Building Area2,640 sqft
Lot Size3,700 sqft
ZoningR4
ConditionAverage
3072000016
3195359
OwnershipIndividually owned

Assessment & Sales

$1.6M
$98K
$20K

Building Permits

none on record

No building permits found in local records.

Violations

1 on record · 1 open
DOB LegacyC
ACTIVE
Issued Aug 14, 2026#2822751

PARTIAL VACATE ORDER IS ISSUED FOR THE ENTIRE FRONT YARD NEXT TO THE GARAGE AT EXPO # 1 AND 2 DUE TO THE DEMOLITION OF THE BUILDING. ATOI OBSERVED PARTIAL DEMOLITION OF BUILDING WALL AT EXPO # 4 OF ADDRESS 462 AVE X . THE WALL WAS LEFT FREE STANDING WITH NO BRACING NEXT TO THE GARAGE. WHICH IS A HAZZARD TO THE PUBLIC AND RESIDENTS AT EXPO # 1

View this violation's full details & status history →

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

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Frequently Asked Questions

When was 454 AVE X, Brooklyn built?

The building at 454 AVE X, Brooklyn, NY 11223 was constructed in 1950. It is classified as a two family dwelling - converted with 1 floor and 2 units. The building area is 2,640 sqft.

Are there building permits at 454 AVE X, Brooklyn?

No building permits were found in local records for 454 AVE X, Brooklyn, NY 11223. Permit data is sourced from the NYC Department of Buildings. For the most current permit status, check DOB NOW or BIS directly.

Does 454 AVE X, Brooklyn have violations?

Yes. 454 AVE X, Brooklyn, NY 11223 has 1 violation on record, with 1 currently open. Breakdown: 1 DOB. Sources: NYC DOB, HPD, and ECB/OATH.

Does 454 AVE X, Brooklyn have docketed judgments?

No docketed OATH judgments were found in local records for 454 AVE X, Brooklyn, NY 11223. Judgment data is sourced from NYC Office of Administrative Trials & Hearings (OATH) hearing records.

What is the property tax assessment for 454 AVE X?

454 AVE X, Brooklyn, NY 11223 has an assessed market value of $1.6M and a total assessed value of $98K (land: $20K). Assessment data is from the NYC Department of Finance (DOF).

What is the zoning for 454 AVE X?

454 AVE X, Brooklyn, NY 11223 is zoned R4. Zoning data is from the NYC Department of City Planning (DCP). For detailed FAR, overlays, and development rights, view the full property report on RegWatch.

Who owns 454 AVE X?

454 AVE X, Brooklyn, NY 11223 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 454 AVE X?

Search 454 AVE X 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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454 AVE X, Brooklyn, NY 11223 — Property Records, Permits, Violations, Tax & Zoning | RegWatch