Milton Coste

Licensed Real Estate Associate Broker

(917) 416-7433
455 Union Street
Interested in this property?

$3,150,000

455 Union Street

Carroll Gardens, Brooklyn

MLS® #RLS20091088

RLS at REBNY

Listing by Compass

Open House Scheduled

Sunday, May 17 • 1:00 PM – 3:00 PM

REBNY 2025: signed Buyer Representation Agreement required before any showing.

3

Bedrooms

3.5

Baths

N/A

Sq. Ft.

1899

Year Built

Quick Summary

Bedrooms 3
Bathrooms 4 full, 1 half
Year Built 1899
Ownership None
Property Taxes $5,280/yr
Neighborhood Carroll Gardens
Floor 1 of 2

Property Highlights

  • Character: Pre-war building (1899)

Property Details

Type Single Family Residence
Ownership None
Total Rooms 7
Baths 3 Full, 1 Half
Floor 1 of 2
Pets Yes
Year Built 1899
Structure Type Townhouse
Furnished Unfurnished
Parcel # 00430-0057
Block/Lot 00430/0057

Listing History

Event Date Price Change
Listed May 13, 2026 $3,150,000 -
Currently May 13, 2026 $3,150,000 -

Description

Welcome to 455 Union Street, a renovated, single-family townhouse in Carroll Gardens. This thoughtfully designed home was completely renovated in 2010. It features an expansive open-concept living, dining, and kitchen level ideal for both everyday living and entertaining. The generous kitchen is beautifully appointed with premium appliances, abundant storage, and a large island that seamlessly anchors the space. A wall of windows opens directly onto a lovely private outdoor deck complete with a built-in grill and stairs leading down to a landscaped backyard — creating a true extension of the home. Natural light pours in throughout the house thanks to the large skylight above the new center staircase. Upstairs, the primary bedroom has oversized windows, an en-suite bathroom with a steam shower and a walk in closet. This floor also has an additional two bedrooms, a renovated bathroom and great closets providing ample space for everyone. The garden level spans the length of the entire house and offers the flexibility to use as a media room, gym, guest space or home office. Central AC, new windows, custom remote blinds and an integrated surround sound system are just some of the upgrades to be found. Located on a prime Carroll Gardens block, 455 Union Street offers the very best of Brooklyn townhouse living. A newly renovated school playground is directly across the street! You’ll be near some of the best independent shops like Books are Magic and Wanderlustre,and beloved neighborhood restaurants like Frankie’s Sputino, Black Mountain Wine Bar and Baby Luc’s. Carroll Park is just up the block as are the F/G trains, making commuting a breeze.

Features & Amenities

Interior Features

See Remarks

Exterior Features

Private Outdoor Space Over60 Sqft

Building Information

Building Data View Compliance & Permits
Total Units 3
Stories 2
Structure Townhouse

Financial Details

RE Taxes $5,280/yr ($440/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

$3.25M

Live data from RLS at REBNY • Updated 5/13/26, 7:39 PM EST

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Location

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455 Union Street, Carroll Gardens, Kings County

Floor Plans

Floor Plan 1

Building Information

Official NYC property records for this building

1899
Year Built
127 years old
2
Floors
1
Residential Units
R6B
Zoning District
One Family Dwellings

Tax & Assessment

Assessed Value: $136,260
Land Value: $15,180
Exemptions: $0

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

Lot Area: 1,250 SF
Building Area: 1,040 SF
Built FAR: 0.83
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 $0 per month. Confirm the exact amount with the listing broker before making an offer.

The current listed annual property tax is $5,280, or roughly $440 per month. Verify the current assessment with your attorney before closing.

This property has 3 bedrooms and 3 full bathrooms and 1 half bathroom.

According to MLS records, the building was constructed in 1899, making it approximately 127 years old.

This listing is None

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: RLS20091088
First Listed: 5/13/2026
On Market: 5/13/2026
Price Changed: 5/13/2026
Contract Date: 5/2/2026

Listing Courtesy of Compass - Noah A Plener

Listing Contact: (917) 922-7345

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 5/13/2026 at 11:39 PM UTC

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