Milton Coste

Licensed Real Estate Associate Broker

(917) 416-7433

SOLD FOR $1,290,000

· Closed September 1, 2021

434 Union Street #B
Closed For Sale Condo

$1,290,000

$1,263 per sq ft

434 Union Street #B

Carroll Gardens, Brooklyn

MLS® #RLS10646922

RLS at REBNY

Listing by Compass

2

Bedrooms

2

Baths

1,021

Sq. Ft.

1920

Year Built

Quick Summary

Bedrooms 2
Bathrooms 2
Living Area 1,021 sq ft
Year Built 1920
Ownership Condo
HOA/Common Charges $430/mo
Property Taxes $4,848/yr
Neighborhood Carroll Gardens
Floor 2 of 4

Property Highlights

  • Exposure: North,South facing
  • Style: Prewar architecture
  • Climate Control: Central Air

Property Details

Type Condo
Ownership Condominium
Total Rooms 4
Baths 2 Full
Floor 2 of 4
Exposure North,South
Cooling Central Air
Pets Yes
Cross Street Hoyt Street/Bond Street
Year Built 1920 (New)
Living Area 1,021 sq ft
Architectural Style Prewar
Block/Lot 437/30

Listing History

Event Date Price Change
Listed Jul 10, 2020 $1,290,000 -
Currently May 4, 2026 $1,290,000 -

Description

Newly updated plans now with an enviable private roof deck! Welcome to Carroll Gardens newest boutique condominium at 434 Union Street where unparalleled quality and craftsmanship of these three luxury residences pairs with exceptional style and beautiful interiors. After expanding the building footprint on each level, all three residences underwent dramatic gut renovations, thoughtfully re-imagined using the finest finishes and materials and are now ready to be called home for the first time. Residence two is a sun-kissed and impeccably renovated never before lived in two bedroom two bathroom unit emblematic of Brooklyn chic condo living. An easy one flight walk up, you enter the apartment and are greeted with a beautifully designed open style chef's kitchen which features gray and white veined Calacatta Laza Quartz countertops with matching slab backsplashes, integrated dark palette custom Italian cabinetry, peninsula with waterfall edges for dining and prep, deep stainless steel sink with Grohe fixtures, Wolf stainless steel gas range with professional level ventilation and LED lighting, Bosch dishwasher and Subzero refrigerator. A large open concept great room provides plenty of space to comfortably stage a living room while also having a dedicated and distinct area for formal dining and features wide plank white oak flooring throughout, with open sky views peering out onto the treetops on Union Street. The south facing bright and tranquil master bedroom boasts a large closet and lovely en suite bathroom featuring floor to ceiling large format porcelain tile, glass enclosed shower with Kohler fixtures, chrome rain shower head, Kohler sink, Toto toilet and elegant quartzite vanity. Adjacent to the master is the generous sized sunny second bedroom which features a large built in closet and with easy access to the spacious secondary full bathroom which similarly includes a suite of Kohler and Toto fixtures, jacuzzi bathtub, double Kohler sinks and custom-made vanities with quartz tops and an in-unit full size Samsung washer and vented gas dryer is tucked away in a hallway closet next to the second full bath. Ascend to the roof top where you have your own private 374 square foot roof deck with the most incredible panoramic views of all Downtown Brooklyn. Enjoy warm days basking in the sun, weekend get togethers with family and friends and quiet nights dining al fresco on this expansive private outdoor enclave which completes this brand new home. The modern, tailored finishes of the condominiums at 434 Union Street coupled with their low monthlies, close proximity to transportation (nearby F/G trains) and the excitement of a vibrant neighborhood full of the best restaurants and boutique stores make these residences an ideal place to call home. This is not an offering plan. The complete offering terms are in an offering plan available from the sponsor. Sponsor reserves the right to make changes in accordance with the offering plan File No. CD19-0329.

Features & Amenities

Interior Features

Building Washer Dryer Install Allowed

Appliances

Dryer Washer

Building Information

Financial Details

Common Charges $430/mo
RE Taxes $4,848/yr ($404/mo)
Sale Price $1,290,000

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

32

Median Asking Price

$2.00M

Median $/Sqft

$1,352

Avg Days on Market

N/A

New This Week

2

Price Reduced

13%

Sold (30 Days)

9

Median Sale Price

$3.12M

Live data from RLS at REBNY • Updated 5/3/26, 9:38 PM EST

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Location

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434 Union Street #B, Carroll Gardens, Kings County • Near Hoyt Street/Bond Street

Building Information

Official NYC property records for this building

1920
Year Built
106 years old
3
Floors
3
Residential Units
R6B
Zoning District
Condominiums

Tax & Assessment

Assessed Value: $474,421
Land Value: $19,621
Exemptions: $0

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

Lot Area: 2,033 SF
Building Area: 3,777 SF
Built FAR: 1.86
Allowed FAR: 2

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 $430 per month. Confirm the exact amount with the listing broker before making an offer.

The current listed annual property tax is $4,848, or roughly $404 per month. Verify the current assessment with your attorney before closing.

This property has 2 bedrooms and 2 full bathrooms.

The listed interior living area is 1,021 square feet. Verify dimensions independently during due diligence.

According to MLS records, the building was constructed in 1920, making it approximately 106 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.

Pet policy requires confirmation with the listing broker.

At the current list price of $1,290,000 for 1,021 sq ft, the asking price per square foot is approximately $1,263. 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 mcoste@kwnyc.com. 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: RLS10646922
First Listed: 7/10/2020
Price Changed: 9/1/2021
Closed: 9/1/2021
Contract Date: 9/10/2020

Listing Courtesy of Compass - Tom Salzano

Listing Contact: (973) 449-1593

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 5/4/2026 at 1:38 AM UTC

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