Apartment · Boerum Hill

423 Atlantic Avenue #3H

Exlax Building · Brooklyn, NY 11217
Studio
1
Bath
22
Days on market

About this home

Welcome to Residence 3H - a soulful loft within the historic Ex-Lax Building, where original warehouse character meets endless creative possibility in the heart of Boerum Hill. Offered for the first time, this is a rare opportunity to create a truly sui generis home - deeply personal and entirely your own. Loft lovers will immediately appreciate the remarkable scale, volume, and authenticity of the space: soaring 12-foot ceilings, five oversized south-facing windows perched at tree level, a…

Courtesy of Samuel-Christoph H Tedjasukmana, Corcoran Group

Sold by Annika Grove, Compass

Mortgage calculator

Mortgage (P&I) $4,940/mo
Maintenance $1,678/mo
Owed with or without a mortgage$1,678/mo
Est. monthly
$6,618/mo
Down payment
Interest rate
Loan termyr fixed
Flip tax
2%

Unit & Building

Ownership
Co-op
Rooms
2
Floor
3 of 6
Built
1928
Stories
6
Total units
59
Elevators
1

Amenities

Elevators, Building Roof Deck

Location

Map · parcels · transit

423 Atlantic Avenue

Brooklyn, NY 11217

Price & listing history

ClosedOriginal ask $925,000
Sep 23, 2026 
$977,000
+5.6%
Price increasedPreviously $925,000
Sep 23, 2026 
$977,000
+5.6%
Under Contract 
Jul 3, 202622 days on market
—
ListedRLS20097052
Jun 11, 2026 
$925,000
SoldRecorded sale
Dec 10, 2021 
$860,000
$977,000

Neighborhood

Brooklyn

Boerum Hill

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Data Display by Harkov Lewis

Listing data last updated Nov 13, 2026, 3:02 PM EST

Listing information is deemed reliable but is not guaranteed accurate. This information is not verified for authenticity or accuracy and is not guaranteed and may not reflect all real estate activity in the market. It is provided for consumers' personal, non-commercial use.

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