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358 Union St

Brooklyn, NY 11231Company-ownedBBL 3004360022BIN 3007279
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Updated Aug 1, 2026 · 16 sources

Year Built1920
Floors4
Units16
Building Area10,248 sqft
ZoningR6B
ClassC1
Market Value$1.3M

358 UNION ST is a property located at 358 UNION ST, Brooklyn, NY 11231. It is classified as a walk-up apartment - over six families without stores. The building was constructed in 1920. It has 4 floors and 16 units. The building area is 10,248 square feet on a 3,650 sqft lot. The property is zoned R6B. The assessed market value is $1.3M. It last sold for $9M on Aug 26, 2020. Public records list the property as company-owned. There are 24 building permits on record (18 active). There are 73 violations on record (2 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

230records on file

Completed in 1920, 358 Union St rises 4 stories over Kings. Public records put it at 16 units and 10,248 square feet of floor area, on land zoned R6B. It is carried on the public rolls at a market value of $1.3M, and assessed for tax at $596K. In the 120 years its record reaches back, the lot has drawn 230 separate government filings.

The documentary life of the address leans hard toward violation: 73 of its 230 records, fully 32%, fall under that one heading. Complaint (65) and permit (24) 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 2021.

Read together — 32% violation, 120 years of accumulation, a parcel of Kings — these scattered records compose a portrait of the address that no single page sets out to draw.

$1.3M of Kings, written across 230 government filings.

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

Property Details

Address358 UNION ST, Brooklyn, NY 11231
Building TypeWalk-Up Apartment - Over Six Families Without Stores
C1
Year Built1920
Floors4
Total Units16
Building Area10,248 sqft
Lot Size3,650 sqft
ZoningR6B
ConditionAverage
3004360022
3007279
OwnershipCompany-owned

Assessment & Sales

$1.3M
$596K
$40K
$9M
Last Sale DateAug 26, 2020

Building Permits

24 on record · 18 active
Cats RegistrationOther
CURRENT
Filed Sep 30, 2025Job #474446
View this permit's full record & inspection history →
Construction EquipmentDOB Legacy
ISSUED
Filed Nov 14, 2012Job #300790035-01-01

PL

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Alteration — Type 3DOB Legacy
SIGNED OFF
Filed Mar 9, 2011Est. cost $8KJob #320227786-01

GEN. CONSTR

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Alteration — Type 3DOB Legacy
SIGNED OFF
Filed Jan 25, 2011Job #320228749-01
View this permit's full record & inspection history →
Construction EquipmentDOB Legacy
ISSUED
Filed Oct 20, 2010Job #320228749-01-01

EQ

View this permit's full record & inspection history →

+ 19 more permits — view full report

Violations

73 on record · 2 open
Judgments · 2 docketed
OATH summonsJUDGMENT DOCKETED
Docketed Jan 31, 2003Ticket #034341372H
FAILURE TO PROVIDE APPROVED PLANS AT PREMISES AT TIME OF INSPECTION NO
OATH summonsJUDGMENT DOCKETED
Docketed Apr 30, 2002Ticket #034302128Y
WORK WITHOUT A PERMIT.VIOLATION #080101C06MC01 ISSUED 8/1/01 PENDING.
HPDClass B
NOV CERTIFIED LATE
Issued May 13, 2021#14336345

§ 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE PORCELAIN ENAMEL GLAZE AT BATHTUB IN THE BATHROOM LOCATED AT APT 1A, 1st STORY, 1st APARTMENT FROM NORTH AT EAST

View this violation's full details & status history →

+ 72 more violations on record — view full report

Get the Complete Report for 358 UNION ST

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

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Frequently Asked Questions

When was 358 UNION ST, Brooklyn built?

The building at 358 UNION ST, Brooklyn, NY 11231 was constructed in 1920. It is classified as a walk-up apartment - over six families without stores with 4 floors and 16 units. The building area is 10,248 sqft.

Are there building permits at 358 UNION ST, Brooklyn?

Yes. 358 UNION ST, Brooklyn, NY 11231 has 24 building permits on record, with 18 currently active. Permits are sourced from the NYC Department of Buildings (DOB Legacy and DOB NOW systems). The most recent permit is a Cats Registration (CURRENT) filed Sep 30, 2025.

Does 358 UNION ST, Brooklyn have violations?

Yes. 358 UNION ST, Brooklyn, NY 11231 has 73 violations on record, with 2 currently open. Breakdown: 6 DOB, 6 ECB, 61 HPD. Sources: NYC DOB, HPD, and ECB/OATH.

Does 358 UNION ST, Brooklyn have docketed judgments?

Yes. 358 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 358 UNION ST?

358 UNION ST, Brooklyn, NY 11231 has an assessed market value of $1.3M and a total assessed value of $596K (land: $40K). Assessment data is from the NYC Department of Finance (DOF).

When was 358 UNION ST last sold?

358 UNION ST, Brooklyn, NY 11231 last sold for $9M on Aug 26, 2020. Sale records are sourced from NYC ACRIS and Department of Finance rolling sales data.

What is the zoning for 358 UNION ST?

358 UNION ST, Brooklyn, NY 11231 is zoned R6B. 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 358 UNION ST?

358 UNION ST, Brooklyn, NY 11231 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 358 UNION ST?

Search 358 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.

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358 UNION ST, Brooklyn, NY 11231 — Property Records, Permits, Violations, Tax & Zoning | RegWatch