239 Union Street, Brooklyn, NY 11231

239 Union Street, Brooklyn, NY 11231 is a 3-story walk-up apartment building, built in 1920, with 4 residential units, on a 2,292 sq ft lot. The city's 2027 market value is $2,812,000. It last sold on 01/08/2026 for $4,100,000. City records list 21 violations (19 open), 2 mortgages and 1 sale for this lot.

1. 2027City market value set at $2,812,000
2. 01/08/2026Sold for $4,100,000
3. 1983Building altered
4. 1920Building completed

Address

239 Union Street

Borough

Brooklyn

Zip code

11231

Block & lot

00338-0039

BBL

3003380039

Condo number

—

Community district

306

School district

15

Council district

39

Historic district

—

Owner

Locked. Included in the full report.Unlock owner name for free

Property type

Walk-up apartments (C3)

Square feet

3,484 sq ft

Building dimensions

Locked. Included in the full report.

Stories

3

Year built

1920

Year altered

1983

Residential units

4

Total units

4

Buildings on lot

1

Lot sq ft

2,292

Lot dimensions

23 ft x 100 ft

Zoning

Locked. Included in the full report.

FAR

Locked. Included in the full report.

Buildable area

Locked. Included in the full report.

Market value

$2,812,000

Tax year

2027

Last sale date

01/08/2026

Last sale price

$4,100,000

Tax amount

Locked. Included in the full report.

Loan amount

Locked. Included in the full report.

• Pre-foreclosureAny open foreclosure case on the lot: plaintiff, filing date, case type and court status.
• Owner & contacts· 4 people and companiesOwner of record is a companyOwner of record, deed owners, mailing address, registered officers and managing agent, permit applicants.
• Sales history· 1 saleEvery priced sale on the lot, with unit and building class at the time of sale.
• Financials· 2 mortgagesOpen mortgages, lenders, loan amounts, recording and maturity dates, estimated equity.
• Tax· 5 years of assessmentsAnnual tax bill, tax class and assessment history by roll year.
• Permits· 4 permitsBuilding permit filings, job types, status and estimated cost.
• DevelopmentZoning districts, residential, commercial and facility FAR, unused air rights.
• Violations· 21 violations19 openOpen and closed housing and building violations with balances due.

When was 239 Union Street built?

239 Union Street was built in 1920 and altered in 1983, according to the city's lot file.

How many units does 239 Union Street have?

239 Union Street has 4 units across 3 stories.

When did 239 Union Street last sell?

It last sold on 01/08/2026 for $4,100,000, according to the city's recorded sales.

What is 239 Union Street worth?

The city's 2027 market value for 239 Union Street is $2,812,000. That is the city's assessment estimate, not an appraisal or an asking price.

Who owns 239 Union Street?

Create a free Hercules account to see the owner of record for 239 Union Street. The full report adds the deed owners, the mailing address and the people named on the building's registrations.

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• 368 Clinton StreetTwo family dwelling (B1) · 4,900 sq ft
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City market value and tax year

Market value is the city's estimate for tax purposes. This is not a current sale price or an appraisal.

Valuation tax year: 2027

Recorded sale

Latest recorded sale date: 01/08/2026

Refresh dates are not available in this preview. The tax year and sale date describe the records, not when Hercules last refreshed them.

Product facts · Market value, assessed value and sale price explained