Milton Coste

Licensed Real Estate Associate Broker

(917) 416-7433

SOLD FOR $1,240,000

Listed at $1,250,000 · Sold 0.8% below asking · Closed February 10, 2015

420 12TH Street #A3L
Closed For Sale Co-op

$1,250,000

420 12TH Street #A3L

Park Slope, Brooklyn

The Ansonia Court

MLS® #RLS10068214

RLS at REBNY

Listing by The Corcoran Group

2

Bedrooms

1.5

Bath

N/A

Sq. Ft.

1899

Year Built

Quick Summary

Bedrooms 2
Bathrooms 1 full, 1 half
Year Built 1899
Ownership Co-op
Maintenance $1,024/mo
Neighborhood Park Slope
Floor 3 of 4

Property Highlights

  • Style: Prewar architecture
  • Climate Control: Window Units
  • Character: Pre-war building (1899)

Property Details

Type Co-op
Ownership Stock Cooperative
Total Rooms 4
Baths 1 Full, 1 Half
Floor 3 of 4
Cooling Window Units
Pets Yes
Cross Street 12th Street & Seventh Avenue
Year Built 1899
Architectural Style Prewar
Parcel # 01098-0001-00420-000-0000A3L

Description

NEW PRICE~ Undeniably authentic and in the ever so coveted Ansonia Court cooperative sits this terrific 2 bedroom, 1.5 bath well kept duplex beauty. With original beamed wood ceilings, double exposures and factory style oversized windows, light abounds in every room of this home as do views of the tree tops from the lush interior shared courtyard of one of the neighborhoods most sought after buildings. Adding to this property's inherent appeal, there are superb quality kitchen appliances like Sub-Zero and DCS, tastefully and recently renovated bathrooms and an overall great layout. Exposed brick, laundry in the unit, pet friendly. Truly, this property cannot be overlooked. Close to Prospect Park, Subway lines F &G and also within reach to all great shopping and conveniences.

Features & Amenities

Interior Features

Building Washer Dryer Install Allowed Common Area

Exterior Features

Building Courtyard Building Garden

Building Information

Building The Ansonia Court
Total Units 70
Stories 4
Style Prewar

Financial Details

Maintenance $1,024/mo
Original Price $1,495,000
Sale Price $1,240,000
Previous Price $1,240,000

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

95

Median Asking Price

$1.75M

Median $/Sqft

$1,408

Avg Days on Market

N/A

New This Week

16

Price Reduced

15%

Sold (30 Days)

18

Median Sale Price

$1.67M

Live data from RLS at REBNY • Updated 4/9/26, 3:10 PM EST

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Location

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420 12TH Street #A3L, Park Slope, Kings County • Near 12th Street & Seventh Avenue

Floor Plans

Floor Plan
Floor Plan
MLS® ID: RLS10068214
First Listed: 10/19/2014
Price Changed: 11/11/2014
Closed: 2/10/2015
Contract Date: 10/6/2014

Listing Courtesy of The Corcoran Group - Lesley Semmelhack

Listing Contact: (917) 586-0621

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 4/9/2026 at 7:10 PM UTC

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