Apartment · Boerum Hill

423 Atlantic Avenue #3J

Exlax Building · Brooklyn, NY 11217
1
Bed
1
Bath
1,000
SF
$1,195
Per SF
69
Days on market
Sep 5, 2026
Listed

About this home

Welcome to your new home at 423 Atlantic Ave, Brooklyn, NY, a stunning co-op residence that perfectly blends classic architectural charm with modern conveniences. This spacious 1000 square foot midrise apartment offers a serene retreat in the heart of the city. As you enter, you'll be captivated by the high ceilings ( 12 FEET) and elegant columns that add a touch of sophistication to the space. The southern exposure floods the apartment with natural light, highlighting the beautiful hardwood fl…

Courtesy of Marie Claire Martineau, Compass

Mortgage calculator

Mortgage (P&I) $6,043/mo
Maintenance $1,918/mo
Owed with or without a mortgage$1,918/mo
Est. monthly
$7,961/mo
Down payment
Interest rate
Loan termyr fixed
Flip tax
2%

Unit & Building

Ownership
Co-op
Rooms
4
Floor
3 of 6
Exposures
South
Cooling
Window Units
Laundry
Building Washer Dryer Install Allowed, Common Area, Common On Floor
Built
1928
Stories
6
Total units
59
Elevators
1
Lot
331.25 × 90

Amenities

Elevators, Building Roof Deck

Location

Map · parcels · transit

423 Atlantic Avenue

Brooklyn, NY 11217

Price & listing history

Under Contract 
Nov 3, 202665 days on market
—
Price reducedPreviously $1,280,000
Sep 17, 2026 
$1,195,000
-6.6%
Back on marketPreviously $1,300,000
Sep 5, 2026 
$1,280,000
-1.5%
Withdrawn 
Jun 10, 2026 
—
Active 
Jun 5, 2026 
—
ListedRLS20112812
Jun 4, 2026 
$1,300,000
$1,195,000

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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