Milton Coste

Licensed Real Estate Associate Broker

(917) 416-7433

SOLD FOR $1,600,000

Listed at $1,645,000 · Sold 2.7% below asking · Closed June 17, 2019

420 12TH Street #N3R
Closed For Sale Co-op

$1,645,000

$1,277 per sq ft

420 12TH Street #N3R

Park Slope, Brooklyn

Ansonia Court

MLS® #RLS10531494

RLS at REBNY

Listing by The Corcoran Group

2

Bedrooms

2.5

Baths

1,288

Sq. Ft.

1881

Year Built

Quick Summary

Bedrooms 2
Bathrooms 2 full, 1 half
Living Area 1,288 sq ft
Year Built 1881
Ownership Co-op
Maintenance $1,460/mo
Neighborhood Park Slope
Floor 3 of 4

Property Highlights

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

Property Details

Type Co-op
Ownership Stock Cooperative
Total Rooms 6
Baths 1 Full, 1 Half
Floor 3 of 4
Exposure East,West
Cooling Window Units
Pets Yes
Cross Street 12th Street & 7th Avenue
Year Built 1881
Living Area 1,288 sq ft
Architectural Style Prewar
Parcel # 01098-0001-00420-000-0000N3R

Description

The Ansonia Court, 420 12th Street, N3RLocated on 12th Street in the heart of the South Slope lies the Ansonia court, originally a turn of the century brick and timber clock factory and now a spectacular loft building with cult status! This pet friendly co op is the anchor of the South Slope built in a European style with a interior lush courtyard complete with Cherry trees, a serene water feature and perennial plantings. This oversized 2 bedroom (convertible 3), 1.5 bath duplex is layed out graciously with living, dining, kitchen and powder room on the lower level and two large bedrooms, full bathroom and full sized washer|dryer on the upper level. The open kitchen with shaker style mil-work and stunning black absolute marble opens onto the sunny dining area complete over sized factory windows, exposed brick and original wood beams. If you must leave this Ansonia sanctuary; the F, G and R trains are just a few steps away along with world class dining at Fonda, Hugo & Sons and Camperdown Elm or pick up provisions at Union Market and prepare dinner at home! You may never cross 9th Street again.

Features & Amenities

Interior Features

Eat In Kitchen 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 $1,460/mo
Original Price $1,695,000
Sale Price $1,600,000

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

86

Median Asking Price

$1.72M

Median $/Sqft

$1,439

Avg Days on Market

N/A

New This Week

4

Price Reduced

14%

Sold (30 Days)

20

Median Sale Price

$1.68M

Live data from RLS at REBNY • Updated 4/5/26, 10:23 AM EST

Similar Listings in Park Slope

View All

Location

Loading map...

420 12TH Street #N3R, Park Slope, Kings County • Near 12th Street & 7th Avenue

Floor Plans

Floor Plan
Floor Plan
MLS® ID: RLS10531494
First Listed: 3/1/2019
Closed: 6/17/2019
Contract Date: 3/1/2019

Listing Courtesy of The Corcoran Group - Jessica Buchman

Listing Contact: (917) 579-8641

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 4/5/2026 at 2:23 PM UTC

Buying a Co-op? Start Here

Co-op vs. Condo: Which Is Right for You?

Ownership structure, board approval, financing: the full comparison.

Read article

HDFC Co-ops: Complete Guide

Income limits, resale caps, and how to qualify for affordable co-ops.

Read article

NYC Mansion Tax: 2026 Guide

How the tiered mansion tax works for purchases over $1M.

Read article

NYC Real Estate Market Report 2026

Data-driven analysis of prices, inventory, and trends across NYC.

Read article

Interested in this property?

Get a response within 2 hours

Your info is secure and never shared.

View Active Listings Call Milton