Milton Coste

Licensed Real Estate Associate Broker

(917) 416-7433

SOLD FOR $2,150,000

· Sold at asking price · Closed October 23, 2025

SOLD: 421 4TH Street #1
SOLD $2,150,000
Sold Co-op

$2,150,000

$1,365 per sq ft

421 4TH Street #1

Park Slope, Brooklyn

MLS® #RLS20037833

RLS at REBNY

Listing by Coldwell Banker Warburg

3

Bedrooms

2

Baths

1,575

Sq. Ft.

1899

Year Built

Sale Details

Sale Price $2,150,000
Original List Price $2,150,000
First Listed At $1,895,000
Close Date October 23, 2025
vs. Asking Sold at asking price

Property Summary

Bedrooms 3
Bathrooms 2
Living Area 1,575 sq ft
Year Built 1899
Ownership Co-op
Maintenance $1,200/mo
Neighborhood Park Slope
Floor 1 of 3

Description

Classic Park Slope Duplex with a Private Backyard 3 beds 2 full baths Private Garden Central A/C Tucked into a quintessential tree-lined block this charming 3 bedroom 2 bath duplex sits within a classic 3 unit Park Slope brownstone and offers the rare gift of a lush, private garden.  Enter on the parlor-level to find high ceilings, a bay window and lovingly preserved original details like hardwood floors, rich wood trim and period charm. The open layout allows for comfortable entertaining and everyday living, with a kitchen that blends seamlessly into the main space-ready to use as-is or customize to your taste. Two bedrooms are located on this level, including a large rear bedroom with French doors that open onto a private deck and the garden which is fully irrigated and thoughtfully landscaped with established plantings. Whether you're grilling, lounging in the sun, or unwinding with a book this garden retreat offers rare tranquility in the heart of Park Slope. The second bedroom features a built-in Murphy bed, offering flexibility for guests, a home office, or nursery. A full bath with shower completes the floor. Downstairs, the lower level serves as a tranquil primary suite, complete with a full bath, spacious dressing room, a bonus space that can flex as a home office, gym or cozy den, and a separate laundry area. Additional features include central air conditioning, washer/dryer in lower level, and unbeatable access to Prospect Park and the shops and restaurants along 5th and 7th Avenues. Central Air Conditioning Washer/ Dryer  3 Unit Cooperative Brownstone Private garden with deck, irrigation system & lush greenery Located just moments from Prospect Park and the best of 5th and 7th Avenues Pet policy - Small Dog or a Cat No Smoking Building

Property Details

Type Co-op
Ownership Stock Cooperative
Total Rooms 6
View Other
Year Built 1899
Living Area 1,575 sq ft

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RLS at REBNY

Listing courtesy of Susan Siegelaub Katz at Coldwell Banker Warburg. 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. This 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.

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