Kings » 11231 » Union St » 329 Union St

329 Union Street, Brooklyn, NY 11231 - Property report

Also known as: 329 Union St

Property image for 329 Union Street, Brooklyn, NY 11231

Property type

Over Six Families without Stores (C1)

Year built

1930

Lot sq. ft.

5,333

Sale price

$8,500,000

General information

Address

Primary address

329 Union Street

ZIP code

11231

Neighborhood

Carroll Gardens

Borough

Brooklyn

Block & lot

00428-0049

Building

Property type

Over Six Families without Stores (C1)

Building sq. ft.

18,773

Building dimensions

53 ft x 87 ft

Buildings on lot

Stories

Year built

1930

Last altered

2017

Building material

Sales

Sale date

08/14/2014

Sale price

$8,500,000

Tax

Tax year

2026-2027

Property tax

$275,714

Tax class

Floor area ratio (FAR)

Commercial FAR

Residential FAR

Buildable area

Zoning & Use

Zoning

Residential units

Residential sq. ft.

Lot

Lot dimensions

53.33 ft x 100 ft

Lot sq. ft.

5,333

Area overview

Walk score

98 /100. Walker's Paradise

Transit score

100 /100. Rider's Paradise

Bike score

96 /100. Biker's Paradise

School district

Community district

Closest police station

0.30 Miles

Closest fire station

0.57 Miles

View more such as transportation, nearby schools and risk designations.

Ownership

Ownership information for 329 Union Street, Brooklyn, NY

Unlock full ownership info — get contact details, including phone numbers and emails for owners and the real people behind LLCs.

Property owner name

Registered owner

Source

Deed

Owner contact information

Phone number

Owner address

Documents

Sales history for 329 Union Street, Brooklyn, NY 11231

Sale date	Sale price	Buyer name	Seller name
08/14/2014	$8,500,000	XXX XXXXX XXXXXX XXX	XXX XXXXX XXXXXXXX XXXX.

*Most recent sale on record for this property.

More about New York City property records.

Title documents

Date	Type	Party 1	Party 2
02/09/2026 - R	UCC3 Termination (2026020500283002)	XXX XXXXX XXXXXX XXX	XXXXX XXXXX XXXX XXXXXXXX XXXXXXXXXXX
07/16/2025 - R	Initial UCC1 (2025070900847004)	XXX XXXXX XXXXXX XXXXXXXXXX XXX	XXXX XX XXXXXXX X X
07/16/2025 - R 07/01/2025 - D	Assignment of Leases and Rents (2025070900847003)	XXX XXXXX XXXXXX XXXXXXXXXX XXX	XXXX XX XXXXXXX X X
07/16/2025 - R 07/01/2025 - D	Agreement (2025070900847002)	XXX XXXXX XXXXXX XXXXXXXXXX XXX	XXXX XX XXXXXXX X X
07/16/2025 - R 06/25/2025 - D	Assignment, Mortgage (2025070900847001)	XXXXX XXXXX XXXX XXXXXXXX XXXXXXXXXXX XX XXXXXXX	XXXX XX XXXXXXX X X
06/12/2024 - R 01/01/2024 - D	Agreement (2024052200991002)	XXX XXXXX XXXXXX XXXXXXXXXX XXX	XXXXX XXXXX XXXX XXXXXXXX XXXXXXXXXXX XX XXXXXXX
09/18/2023 - R	UCC3 Continuation (2023091800451001)	XXX XXXXX XXXXXX XXXXXXXXXX XXX	XXXXX XXXXX XXXX XXXXXXXX XXXXXXXXXXX XX XXXXXXX
01/31/2020 - R	UCC3 Assignment (2020013100820002)	XXX XXXXX XXXXXX XXXXXXXXXX XXX	XXXXXXXX XXXXX XXXX XXXXXXXX XXXXXXXXXXX
01/31/2020 - R 04/26/2019 - D	Assignment, Mortgage (2020013100820001)	XXXXXXXX XXXXX XXXX XXXXXXXX XXXXXXXXXXX	XXXXX XXXXX XXXX XXXXXXXX XXXXXXXXXXX XX XXXXXXX
02/05/2019 - R	Initial UCC1 (2019011400160007)	XXX XXXXX XXXXXX XXX	XXXXXXXX XXXXX XXXX XXXXXXXX XXXXXXXXXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 329 Union Street, Brooklyn, NY

Property tax data includes tax amount, market value and assessed value, exemptions, abatements and assessment history.

Current property tax

Tax year

2025-2026

Property tax

$275,714

Municipal exemptions

Recent tax assessments

Market value

$5,288,000

Assessed value

$2,379,600

More about New York City Property Taxes

Assessment history

See the assessment and property tax history, including the evolution of the total tax rate and corresponding property tax amount.

Tax year	Market value	Assessed value	Taxable amount	Tax rate	Base tax	Property tax	Y-o-Y change
2025/26	$5,686,000	$2,558,700	$2,056,635	12.439%	$255,825	$255,825	+5.48%
2024/25	$5,307,000	$2,388,150	$1,940,283	12.5%	$242,535	$242,535	+31.64%
2023/24	$4,186,000	$1,883,700	$1,473,750	12.502%	$184,248	$184,248	+11.31%
2022/23	$3,399,000	$1,529,550	$1,349,370	12.267%	$165,527	$165,527	+8.32%
2021/22	$2,813,000	$1,265,850	$1,248,930	12.235%	$152,807	$152,807	+6.14%
2020/21	$3,158,000	$1,421,100	$1,173,600	12.267%	$143,966	$143,966	+10.79%
2019/20	$2,819,000	$1,268,550	$1,041,840	12.473%	$129,949	$129,949	+10.61%
2018/19	$2,804,000	$1,261,800	$931,500	12.612%	$117,481	$117,481	+16.02%
2017/18	$2,283,000	$1,027,350	$796,140	12.719%	$101,261	$101,261	+13.55%
2016/17	$1,976,000	$889,200	$691,740	12.892%	$89,179	$89,179	+14.80%

Permits

Permit information for 329 Union Street, Brooklyn, NY

Filing date	Job type	Job status	Job description	Initial cost
04/04/2024	Alteration
05/07/2019	Alteration
04/11/2019	Alteration type 2
05/16/2018	Alteration type 2
01/29/2018	Alteration type 2

*Most recent permits on record for this property.

More about New York City property records

Violations

DOB Violations

Violation ID	Issue date	Type	Status
	01/06/2019	P-plumbing none
	06/01/1994	Ll6291-local law 62/91 - boilers
	08/16/1993	Ll6291-local law 62/91 - boilers

*Most recent DOB violations on record for this property.

Listings

Neighborhood

Brooklyn commercial market stats

Review a detailed real estate market overview of Brooklyn and assess current trends, property values, property types sold and transaction volumes. View the median price per square foot in Brooklyn and compare it to other New York City boroughs.

Q2 2026 median price/sq. ft.

$533

1.5% Y-o-Y

Q1 2026 median price/sq. ft.

$471

-8.9% Y-o-Y

2025 median price/sq. ft.

$523

5.2% Y-o-Y

Check out recently sold homes in Brooklyn and see how their prices compare.

Risk

Create a free account to unlock expanded risk information, such as crime incidents in the area, tsunami and landslides risks, or its location relative to FEMA flood zones and the Coastal Barriers Resources System Area (COBRA).

FEMA flood zones

FEMA flood zones

Hurricane evacuation zones

Subway & traffic

Closest station

Smith St & President St at NW Corner

Station lines

F-G

Distance (miles)

0.075

View subway map

Access the detailed traffic volume map for 329 Union Street, Brooklyn, NY 11231 to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity. View daily traffic map

Neighbors for 329 Union Street, Brooklyn, NY

315 Union St, Brooklyn 313 Union St, Brooklyn 297 Smith St, Brooklyn 294 Smith St, Brooklyn 301 Smith St, Brooklyn 337 Union St, Brooklyn 296 Smith St, Brooklyn 319 Union St, Brooklyn 317 Union St, Brooklyn 299 Smith St, Brooklyn 349 Union St, Brooklyn 290 Smith St, Brooklyn 288 Smith St, Brooklyn 286 Smith St, Brooklyn 327 Union St, Brooklyn 347 Union St, Brooklyn 325 Union St, Brooklyn 335 Union St, Brooklyn

Frequently asked questions

What is the year built for 329 Union Street, Brooklyn, NY 11231?

The development at 329 Union Street, Brooklyn, NY 11231 was built in 1930.

What is the total square footage of 329 Union Street, Brooklyn, NY 11231?

329 Union Street, Brooklyn, NY 11231 has a total of 18,773 square feet.

When was 329 Union Street, Brooklyn, NY 11231 last sold and what was the sale price?

329 Union Street, Brooklyn, NY 11231 was last sold on 08/14/2014 for $8,500,000.

What is the assessed value of 329 Union Street, Brooklyn, NY 11231?

329 Union Street, Brooklyn, NY 11231 is currently assessed at $2,379,600.

What are the property taxes for 329 Union Street, Brooklyn, NY 11231?

The property taxes for 329 Union Street, Brooklyn, NY 11231 total $275,713.

How many residential units does this building have?

This building has 20 residential unit(s).

Disclaimer

All data comes from government sources. No attempt has been made to validate it. No attempt has been made to validate the accuracy of the programming of this website.

Do not rely on this report to support investment decisions. The only authoritative source for the information in this report is the government agencies from which the data was acquired.