Milton Coste

Licensed Real Estate Associate Broker

(917) 416-7433

SOLD FOR $2,925,000

Listed at $2,950,000 · Sold 0.8% below asking · Closed February 25, 2020

409 Union Street
Closed For Sale Multi Family

$2,950,000

409 Union Street

Carroll Gardens, Brooklyn

MLS® #RLS10599718

RLS at REBNY

Listing by The Corcoran Group

Studio

Bedroom

0

Bath

N/A

Sq. Ft.

1899

Year Built

Quick Summary

Bedrooms Studio
Bathrooms 0
Year Built 1899
Neighborhood Carroll Gardens

Property Highlights

  • Style: Prewar architecture
  • Character: Pre-war building (1899)

Property Details

Type Multi Family
Baths null Full
Pets Yes
Cross Street Smith Street & Hoyt Street
Year Built 1899
Architectural Style Prewar
Parcel # 00429-0047
Block/Lot 429/47

Listing History

Event Date Price Change
Listed Oct 11, 2019 $2,950,000 -
Currently May 4, 2026 $2,950,000 -

Description

With the quintessential character of brownstone Brooklyn, the premier location in the heart of historic Carroll Gardens, and the incredibly low taxes, the possibilities at 409 Union Street are enticing for buyers and investors alike. At 19.4ft wide, this 3120sf, three family home consists of 4-stories plus a full cellar, a classically Carroll Gardens deep front yard and a tremendous backyard for quiet relaxation. Keep as an income generating investment, combine the units for a double duplex or convert into a single-family home of distinction. The choice is yours. The traditional brownstone entrance welcomes you while the high ceilings, exposed brick, marble fireplace, wood floors and restored stained glass nods to the homes historical elegance. Currently configured as a garden level studio apartment with access to the backyard, a large floor through one bedroom apartment on the parlor level, and two light and airy, floor through 1.5 bedroom apartments on the third and fourth floors, all with individual in-unit w/d's. The full cellar runs the entire length of the building offering additional space for a recreational room, home gym or office and plenty of storage. Located between Smith and Hoyt Streets with some of the best of the neighborhoods shopping, dining and entertainment all a few blocks in any direction, as well as the F and G train station for an easy ride into Manhattan. Projected rent roll approximately $147K, projected NOI approx. $131K- projected cap rate 4.5% Delivered vacant. Showings begin November 2nd.

Building Information

Building Data View Compliance & Permits
Total Units 3
Stories 4
Style Prewar

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 5/4/26, 4:51 AM EST

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Location

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409 Union Street, Carroll Gardens, Kings County • Near Smith Street & Hoyt Street

Floor Plans

Floor Plan 1

Building Information

Official NYC property records for this building

1899
Year Built
127 years old
3
Floors
1
Residential Units
R6B
Zoning District
One Family Dwellings

Tax & Assessment

Assessed Value: $276,780
Land Value: $31,140
Exemptions: $0

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

Lot Area: 1,740 SF
Building Area: 3,112 SF
Built FAR: 1.79
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

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

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: RLS10599718
First Listed: 10/11/2019
Closed: 2/25/2020
Contract Date: 10/11/2019

Listing Courtesy of The Corcoran Group - Yael Streit

Listing Contact: (212) 381-4244

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 8:51 AM UTC

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