Closed For Sale • Co-op

$1,800,000

420 12TH Street #J-4L

Park Slope, Brooklyn

Ansonia Court

MLS® #RLS10044594

Listing by The Corcoran Group

2

Bedrooms

2

Baths

N/A

Sq. Ft.

1881

Year Built

Quick Summary

Bedrooms 2

Bathrooms 2

Year Built 1881

Ownership Co-op

Maintenance $1,240/mo

Neighborhood Park Slope

Floor 4 of 4

Property Highlights

• Exposure: South,West facing
• Style: Prewar architecture
• Climate Control: Window Units

Property Details

Type Co-op

Ownership Stock Cooperative

Total Rooms 5

Baths 2 Full

Floor 4 of 4

Exposure South,West

Cooling Window Units

Pets Yes

Cross Street 12th Street & 7th Avenue

Year Built 1881

Architectural Style Prewar

Description

420 12th Street #J4LPenthouse perfection at the coveted Ansonia Court. This south west corner top floor loft is simply dreamy. Through the European lush interior courtyard and above the tree tops sits this oversized 2.5 bedroom, 2 bathroom open plan loft. Gracious in proportions, this loft home has it all. The open windowed custom white marble chefs kitchen complete with farmhouse sink features a wonderful marble slab counter for casual dining and meal preparation. There are no compromises with the open living/dining room with its 4 massive windows across. This main open space accommodates an extra large area for formal dining as well as a spacious sitting area too. The turn of the century exposed factory brick and original wood beams and ceilings are just a few of the reasons this building has a cult like following. This unique floor-plan has such an enormous corner master that a office/nursury was carved out to create a 3rd bedroom. The storage and closets are ample. Full sized washer/dryer are conveniently tucked away in the units private mechanical closet. The Ansonia is the anchor of the South Slope sitting one block from Prospect Park and close to all the areas favorite dining and shopping and transportation. The light and views from each of the 11 oversized factory windows are incredible in this penthouse perfect Ansonia loft.

Features & Amenities

Interior Features

Building Washer Dryer Install Allowed Common Area

Exterior Features

Building Courtyard Building Garden

Building Information

Building Ansonia Court

Total Units 70

Stories 4

Style Prewar

Financial Details

Maintenance $1,240/mo

Sale Price $1,800,000

About Park Slope

View All Park Slope Listings

Park Slope is a well-known Brooklyn neighborhood, recognized for its tree-lined streets and preserved brownstones. Bordering the western edge of Prospect Park, the neighborhood offers convenient access to green space. The real estate market features a mix of historic townhouses, cooperatives, and modern condominiums, within walking distance of the park.

Park Slope Live Market Data

View Neighborhood

Active Listings

88

Median Asking Price

$1.71M

Median $/Sqft

$1,435

Avg Days on Market

N/A

New This Week

3

Price Reduced

15%

Sold (30 Days)

20

Median Sale Price

$1.67M

Live data from RLS at REBNY • Updated 4/7/26, 3:24 AM EST

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Location

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420 12TH Street #J-4L, Park Slope, Kings County • Near 12th Street & 7th Avenue

NYC Zoning • Google Maps • Street View

Floor Plans

Data Sources & Methodology

Listing Data

RLS® at REBNY (Real Estate Board of New York) via Trestle API. Updated in real-time.

Market Data

RLS® at REBNY (Real Estate Board of New York). Live data updated in real-time.

Map & Location

OpenStreetMap contributors via Leaflet. Geocoding via Nominatim.

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MLS® ID: RLS10044594

First Listed: 9/5/2017

Closed: 11/1/2017

Contract Date: 9/5/2017

Listing Courtesy of The Corcoran Group - Jessica Buchman

Listing Contact: (917) 579-8641

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RLS Data display by Keller Williams NYC. Data last updated on 4/7/2026 at 7:24 AM UTC