Milton Coste

Licensed Real Estate Associate Broker

(917) 416-7433

Under Contract – Backup offers may be accepted

291 Union Street #4B
Interested in this property?
Pending For Sale Condo

$3,500,000

$1,821 per sq ft

291 Union Street #4B

Carroll Gardens, Brooklyn

MLS® #RLS10992672

RLS at REBNY

Listing by Compass

3

Bedrooms

3

Baths

1,922

Sq. Ft.

2013

Year Built

Quick Summary

Bedrooms 3
Bathrooms 3
Living Area 1,922 sq ft
Year Built 2013
Ownership Condo
HOA/Common Charges $2,059/mo
Property Taxes $20,508/yr
Parking Garage
Neighborhood Carroll Gardens
Floor 4 of 7

Property Highlights

  • Climate Control: Central Air
  • Parking: Private garage

Property Details

Type Condo
Ownership Condominium
Total Rooms 6
Baths 0 Full
Floor 4 of 7
Cooling Central Air
Pets Yes, CatsOk, DogsOk
Year Built 2013
Living Area 1,922 sq ft
Parking Garage Available
Parking Features Garage
Structure Type MixedUse
Furnished Unfurnished
Parcel # 00339-1217
Block/Lot 00339/1217

Listing History

Event Date Price Change
Listed Jul 12, 2024 $3,500,000 -
Currently May 14, 2026 $3,500,000 -

Description

TURNKEY, SOUTH FACING FULL SERVICE 3-BED W/ COVERED PARKING INCLUDED AT THE CROSSROADS OF CARROLL GARDENS + COBBLE HILL. Welcome home to residence 4B, a bright, mint-condition condo in Sackett Union, Carroll Gardens’ premiere full service building. Spanning 1,922 square feet, this oversized home is ideally laid out with expansive living space and well proportioned bedrooms, with all rooms overlooking the trees of Union Street. The great room features 34’ of south facing frontage, which accommodates rare entertaining spaces. Flanking the living space is a large open kitchen, including a vented six-burner Wolf range, a Sub-Zero refrigerator, custom cabinetry, and an additional pantry for storage. The primary bedroom is winged and offers complete privacy from the rest of the home. The generously sized room measures over 18’x16’ and has an outfitted walk-in closet and a beautifully appointed five-fixture bathroom. The opposite wing has the second and third bedrooms, one of which features an ensuite bathroom with a soaking tub, while the third bedroom has an adjacent full bathroom across the hall. There is also a custom designed home office alcove on this side of the home featuring beautiful walnut millwork, built in desk, cabinets, and shelving. Additional features include an in-unit vented washer/dryer, multi zone HVAC, and designer lighting throughout. The home offers ample closet space and transfers with a large private storage unit in the building’s lower level. An owned parking spot in the garage is also included in the price. Alchemy Properties’ Sackett Union has a 24 hour attended lobby, full time super and porters, and a suite of amenities including a state-of-the-art fitness center with Peloton bikes, children’s playroom, package room, bike storage, on-site parking garage and a furnished common roof deck with panoramic views of Manhattan and Brooklyn. 291 Union is all in close proximity to Carroll Park, Brooklyn Bridge Park, Union Market, and all the best of Carroll Gardens and Cobble Hill. It is also close to PS 32, PS 58, and PS 29. The Carroll Street F/G subway station is just 2 blocks away, and the 2/3/4/5/A/C trains are nearby at Borough Hall. There is also a 421-A tax abatement, which ends June 30th, 2027, and a 1% transfer fee paid by the purchaser at closing.

Features & Amenities

Interior Features

Built In Features In Unit See Remarks

Building Information

Building Data View Compliance & Permits
Total Units 32
Stories 7
Structure MixedUse

Financial Details

Common Charges $2,059/mo
RE Taxes $20,508/yr ($1,709/mo)

Carroll Gardens is defined by its deep front gardens and long-standing bakeries and restaurants along Court and Smith Streets. The real estate market features wide historic brownstones alongside new construction condominiums that maintain the low-rise building scale.

Carroll Gardens Live Market Data

View Neighborhood

Active Listings

33

Median Asking Price

$2.10M

Median $/Sqft

$1,384

Avg Days on Market

N/A

New This Week

3

Price Reduced

15%

Sold (30 Days)

7

Median Sale Price

$3.12M

Live data from RLS at REBNY • Updated 5/13/26, 10:06 PM EST

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Location

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291 Union Street #4B, Carroll Gardens, Kings County

Floor Plans

Floor Plan 1

Building Information

Official NYC property records for this building

2008
Year Built
18 years old
7
Floors
32
Residential Units
R6A
Zoning District
Condominiums

Tax & Assessment

Assessed Value: $14,220,153
Land Value: $1,235,704
Exemptions: $2,031,524

Note: Individual unit taxes may differ. Verify current tax bills with NYC DOF.

Lot Area: 24,086 SF
Building Area: 73,131 SF
Built FAR: 3.04
Allowed FAR: 3

Source: NYC PLUTO (Primary Land Use Tax Lot Output), NYC Department of City Planning (data.cityofnewyork.us)

Want help estimating ownership costs or understanding building compliance? Let's discuss

Frequently Asked Questions

Common questions about this property

The current listed common charges are $2,059 per month. Confirm the exact amount with the listing broker before making an offer.

The current listed annual property tax is $20,508, or roughly $1,709 per month. Verify the current assessment with your attorney before closing.

This property has 3 bedrooms and 0 full bathrooms.

The listed interior living area is 1,922 square feet. Verify dimensions independently during due diligence.

According to MLS records, the building was constructed in 2013, making it approximately 13 years old.

This listing is a condominium. Buyers receive a deed to their individual unit and own their space outright, subject to condo association rules.

Pets are permitted at this property. Contact the listing broker for weight limits or breed restrictions.

At the current list price of $3,500,000 for 1,922 sq ft, the asking price per square foot is approximately $1,821. This figure is for reference only and may differ from appraised or assessed values.

To schedule a private showing, contact Milton Coste at (917) 416-7433 or [email protected]. Per REBNY guidelines effective 2025, a Buyer Representation Agreement is required before a buyer's broker can show you properties. You may attend open houses independently without one.

Have a question not answered here?

(917) 416-7433
MLS® ID: RLS10992672
First Listed: 7/12/2024
On Market: 7/12/2024
Pending Since: 8/14/2024
Contract Date: 7/12/2024

Listing Courtesy of Compass - Michael Rubin

Listing Contact: (347) 880-0349

Listing information for certain New York City properties provided courtesy of the Real Estate Board of New York's Residential Listing Service (the "RLS"). The information contained in this listing has not been verified by the RLS and should be verified by the consumer. The listing information provided here is for the consumer's personal, non-commercial use. Retransmission, redistribution or copying of this listing information is strictly prohibited except in connection with a consumer's consideration of the purchase and/or sale of an individual property. This listing information is not verified for authenticity or accuracy and is not guaranteed and may not reflect all real estate activity in the market. ©2026 The Real Estate Board of New York, Inc., all rights reserved. This advertisement does not suggest that the broker has a listing in this property or properties or that any property is currently available.

Broker Commission Disclosure: Broker commissions are not set by law and are fully negotiable.

Buyer Notice: Planning to work with a buyer's broker? A Buyer Representation Agreement is required before your broker can show you properties, per REBNY/UCBA guidelines (effective 2025). You may attend open houses independently without one.

RLS at REBNY

RLS Data display by Keller Williams NYC. Data last updated on 5/14/2026 at 2:06 AM UTC

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