Brooklyn • Two Family Dwelling

454 9 St

Brooklyn, NY 11215Individually ownedBBL 3010920005BIN 3025985

Updated Aug 1, 2026 · 16 sources

Year Built1884
Floors3
Units2
Building Area3,512 sqft
ZoningR6A
ClassB3
Market Value$5.3M

454 9 ST is a property located at 454 9 ST, Brooklyn, NY 11215. It is classified as a two family dwelling - converted. The building was constructed in 1884. It has 3 floors and 2 units. The building area is 3,512 square feet on a 1,485 sqft lot. The property is zoned R6A. The assessed market value is $5.3M. It last sold for $2.2M on Jun 2, 2014. Public records list the property as individually owned. There are 7 building permits on record (4 active). Data sourced from NYC Department of Buildings (DOB), Housing Preservation & Development (HPD), Department of Finance (DOF), and other government agencies.

A RegWatch Dossier

27records on file

Completed in 1884, 454 9 St rises 3 stories over Kings. Public records put it at 2 units and 3,512 square feet of floor area, on land zoned R6A. It is carried on the public rolls at a market value of $5.3M, and assessed for tax at $316K. In the 34 years its record reaches back, the lot has drawn 27 separate government filings.

The documentary life of the address leans hard toward permit: 7 of its 27 records, fully 26%, fall under that one heading. Lien (6) and inspection (4) 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 2015.

Read together — 26% permit, 34 years of accumulation, a parcel of Kings — these scattered records compose a portrait of the address that no single page sets out to draw.

$5.3M of Kings, written across 27 government filings.

Property Details

Address454 9 ST, Brooklyn, NY 11215
Building TypeTwo Family Dwelling - Converted
B3
Year Built1884
Floors3
Total Units2
Building Area3,512 sqft
Lot Size1,485 sqft
ZoningR6A
ConditionAverage
3010920005
3025985
OwnershipIndividually owned

Assessment & Sales

$5.3M
$316K
$33K
$2.2M
Last Sale DateJun 2, 2014

Building Permits

7 on record · 4 active
Alteration — Type 3DOB Legacy
SIGNED OFF
Filed Nov 23, 2016Job #340400854-01
Construction EquipmentDOB Legacy
ISSUED
Filed Jul 16, 2016Job #340400854-01-01
Alteration — Type 3DOB Legacy
PLAN EXAM - IN PROCESS
Filed Jun 15, 2016Job #340392792-01
Alteration — Type 2DOB Legacy
SIGNED OFF
Filed Dec 8, 2015Est. cost $25KJob #320982059-02
Alteration — Type 2DOB Legacy
SIGNED OFF
Filed Dec 8, 2015Est. cost $276KJob #320982059-01

+ 2 more permitsview full report

Violations

none on record

No violations found in local records.

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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 9 ST, Brooklyn built?

The building at 454 9 ST, Brooklyn, NY 11215 was constructed in 1884. It is classified as a two family dwelling - converted with 3 floors and 2 units. The building area is 3,512 sqft.

Are there building permits at 454 9 ST, Brooklyn?

Yes. 454 9 ST, Brooklyn, NY 11215 has 7 building permits on record, with 4 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 Nov 23, 2016.

Does 454 9 ST, Brooklyn have violations?

No violations were found in local records for 454 9 ST, Brooklyn, NY 11215. Violation data is sourced from DOB (safety and legacy), HPD (housing), and ECB (environmental control).

Does 454 9 ST, Brooklyn have docketed judgments?

No docketed OATH judgments were found in local records for 454 9 ST, Brooklyn, NY 11215. Judgment data is sourced from NYC Office of Administrative Trials & Hearings (OATH) hearing records.

What is the property tax assessment for 454 9 ST?

454 9 ST, Brooklyn, NY 11215 has an assessed market value of $5.3M and a total assessed value of $316K (land: $33K). Assessment data is from the NYC Department of Finance (DOF).

When was 454 9 ST last sold?

454 9 ST, Brooklyn, NY 11215 last sold for $2.2M on Jun 2, 2014. Sale records are sourced from NYC ACRIS and Department of Finance rolling sales data.

What is the zoning for 454 9 ST?

454 9 ST, Brooklyn, NY 11215 is zoned R6A. 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 9 ST?

454 9 ST, Brooklyn, NY 11215 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 9 ST?

Search 454 9 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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454 9 ST, Brooklyn, NY 11215 — Property Records, Permits, Violations, Tax & Zoning | RegWatch