Milton Coste

Licensed Real Estate Associate Broker

(917) 416-7433

SOLD FOR $1,280,000

· Closed December 7, 2021

434 Union Street #C
Closed For Sale Condo

$1,280,000

434 Union Street #C

Carroll Gardens, Brooklyn

MLS® #RLS10709794

RLS at REBNY

Listing by Compass

2

Bedrooms

2

Baths

N/A

Sq. Ft.

1920

Year Built

Quick Summary

Bedrooms 2
Bathrooms 2
Year Built 1920
Ownership Condo
HOA/Common Charges $502/mo
Property Taxes $5,652/yr
Neighborhood Carroll Gardens
Floor 3 of 4

Property Highlights

  • Views: City
  • Exposure: North,South facing
  • Outdoor Space: Terrace

Property Details

Type Condo
Ownership Condominium
Total Rooms 4
Baths 2 Full
Floor 3 of 4
View City
Exposure North,South
Cooling Central Air
Pets Yes
Cross Street Hoyt Street/Bond Street
Year Built 1920 (New)
Architectural Style Prewar
Parcel # 00437-1003
Block/Lot 437/30

Listing History

Event Date Price Change
Listed Apr 8, 2021 $1,280,000 -
Price Reduced Dec 7, 2021 $1,350,000 +5.5%

Description

Welcome to Carroll Gardens 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 reimagined using the finest finishes and materials and are now ready to be called home for the first time. Residence C is a sun-flooded and impeccably renovated two bedroom two bathroom unit with its own 415 square foot private roof deck with sweeping views of downtown Brooklyn, emblematic of the ultimate indoor-outdoor Brooklyn chic condo living. An easy two flight walk up, this exquisitely designed apartment features 10' ceilings and wide plank white oak flooring throughout, Mitsubishi Hyper Heat and central air conditioning dual systems and video intercom. Upon entering the home you will find a superbly designed open style chef's kitchen which features gray and white veined Calacatta Laza Quartz countertops with matching slab backsplashes, integrated custom Alusso Natura Sherwood Dartmoor cabinetry with modern slab doors in a dark grey oak finish, 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 plan great room designed for modern living and entertaining provides plenty of space to comfortably stage a living room while also having a dedicated and distinct area for formal dining with three large windows with open sky views peering out onto the treetops on Union Street. The south facing bright and tranquil primary bedroom boasts a large walk in closet and a sumptuous, spa-like en suite bathroom featuring floor to ceiling large format porcelain tile, glass enclosed shower with Kohler fixtures, chrome rain shower head and body sprays systems, Kohler sink, Toto toilet and elegant quartzite vanity. Adjacent to the primary bedroom is the generous sized, sunny second bedroom which features a large built in closet 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. 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 one flight of stairs to your large private roof deck with the most incredible panoramic views of 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. 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 *Photos of apartment interiors are virtually staged

Features & Amenities

Interior Features

Dining Area Building Washer Dryer Install Allowed

Exterior Features

Terrace

Appliances

Dryer Washer

Building Information

Financial Details

Common Charges $502/mo
RE Taxes $5,652/yr ($471/mo)
Sale Price $1,280,000
Previous Price $1,350,000

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, 6:53 PM EST

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Location

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

Floor Plans

Floor Plan 1

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 $502 per month. Confirm the exact amount with the listing broker before making an offer.

The current listed annual property tax is $5,652, or roughly $471 per month. Verify the current assessment with your attorney before closing.

This property has 2 bedrooms and 2 full bathrooms.

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.

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: RLS10709794
First Listed: 4/8/2021
Price Changed: 12/7/2021
Closed: 12/7/2021
Contract Date: 4/8/2021

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 5/3/2026 at 10:53 PM UTC

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