Brooklyn

109 Union St

Brooklyn, NY 11231Individually ownedBBL 3003351009BIN 3348493

Updated Aug 1, 2026 · 16 sources

Floors3
ClassR3
Market Value$863K

109 UNION ST is a property located at 109 UNION ST, Brooklyn, NY 11231. The building has 3 floors. The assessed market value is $863K. It last sold for $845K on Jun 22, 2026. Public records list the property as individually owned. There are 19 building permits on record (14 active). Data sourced from NYC Department of Buildings (DOB), Housing Preservation & Development (HPD), Department of Finance (DOF), and other government agencies.

A RegWatch Dossier

62records on file

The lot at 109 Union St rises 3 stories over Kings. It is carried on the public rolls at a market value of $863K, and assessed for tax at $51.8K. In the 26 years its record reaches back, the lot has drawn 62 separate government filings.

The documentary life of the address leans hard toward permit: 19 of its 62 records, fully 31%, fall under that one heading. Mortgage (17) and sale (9) trail well behind. No violations stand open against it today.

The pace is anything but even. The record runs hot early and quiets with age, with 2003 its single busiest year.

Read together — 31% permit, 26 years of accumulation, a parcel of Kings — these scattered records compose a portrait of the address that no single page sets out to draw.

$863K of Kings, written across 62 government filings.

Property Details

Address109 UNION ST, Brooklyn, NY 11231
R3
Year BuiltN/A
Floors3
Total UnitsN/A
Building AreaN/A
Lot SizeN/A
3003351009
3348493
OwnershipIndividually owned

Assessment & Sales

$863K
$52K
$2K
$845K
Last Sale DateJun 22, 2026

Building Permits

19 on record · 14 active
New BuildingDOB Legacy
SIGNED OFF
Filed Jun 30, 2003Job #301131521-01
SignDOB Legacy
ISSUED
Filed Feb 11, 2003Job #301496502-01-01
SignDOB Legacy
ISSUED
Filed Feb 11, 2003Job #301496511-01-01
SignDOB Legacy
ISSUED
Filed Feb 11, 2003Job #301496502-1-1-hist
SignDOB Legacy
ISSUED
Filed Feb 11, 2003Job #301496511-1-1-hist

+ 14 more permitsview full report

Violations

none on record

No violations found in local records.

Get the Complete Report for 109 UNION ST

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

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Frequently Asked Questions

Are there building permits at 109 UNION ST, Brooklyn?

Yes. 109 UNION ST, Brooklyn, NY 11231 has 19 building permits on record, with 14 currently active. Permits are sourced from the NYC Department of Buildings (DOB Legacy and DOB NOW systems). The most recent permit is a New Building (SIGNED OFF) filed Jun 30, 2003.

Does 109 UNION ST, Brooklyn have violations?

No violations were found in local records for 109 UNION ST, Brooklyn, NY 11231. Violation data is sourced from DOB (safety and legacy), HPD (housing), and ECB (environmental control).

Does 109 UNION ST, Brooklyn have docketed judgments?

No docketed OATH judgments were found in local records for 109 UNION ST, Brooklyn, NY 11231. Judgment data is sourced from NYC Office of Administrative Trials & Hearings (OATH) hearing records.

What is the property tax assessment for 109 UNION ST?

109 UNION ST, Brooklyn, NY 11231 has an assessed market value of $863K and a total assessed value of $52K (land: $2K). Assessment data is from the NYC Department of Finance (DOF).

When was 109 UNION ST last sold?

109 UNION ST, Brooklyn, NY 11231 last sold for $845K on Jun 22, 2026. Sale records are sourced from NYC ACRIS and Department of Finance rolling sales data.

Who owns 109 UNION ST?

109 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 109 UNION ST?

Search 109 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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109 UNION ST, Brooklyn, NY 11231 — Property Records, Permits, Violations, Tax & Zoning | RegWatch