Milton Coste

Licensed Real Estate Associate Broker

(917) 416-7433
Closed For Sale Co-op

$780,000

$1,200 per sq ft

423 15TH Street #1C

Park Slope, Brooklyn

MLS® #RLS20053554

RLS at REBNY

Listing by The Agency Brokerage

2

Bedrooms

1

Bath

650

Sq. Ft.

1920

Year Built

Quick Summary

Bedrooms 2
Bathrooms 1
Living Area 650 sq ft
Year Built 1920
Ownership Co-op
Maintenance $862/mo
Neighborhood Park Slope
Floor 1 of 4

Property Highlights

  • Exposure: East,North facing
  • Style: WalkUp architecture
  • Climate Control: Other

Property Details

Type Co-op
Ownership Stock Cooperative
Total Rooms 4
Baths 1 Full
Floor 1 of 4
Exposure East,North
Cooling Other
Pets Yes
Year Built 1920
Living Area 650 sq ft
Architectural Style WalkUp
Basement Other
Parcel # 01103-0069-00423-000-000001C
Block/Lot 01103/0069

Description

Just moments from Prospect Park, this serene and modern two bedroom home at 423 15th Street captures the essence of classic Park Slope living-warm, refined, and effortlessly comfortable.

Thoughtfully designed for both function and flow, the residence features high ceilings, exposed brick, and an intelligent, space-efficient layout with no wasted square footage. Every inch feels intentional, creating an airy, open atmosphere that lives larger than its footprint.

Peace and quiet define the space-there are no downstairs neighbors, and the apartment sits on a level with no stairs to climb, making daily living as easy as it is elegant.

The kitchen is well equipped with a dishwasher, and gas stove/oven in good working condition, while the microwave and refrigerator were recently replaced within the past two years. Buyers who prefer an all-electric setup will appreciate that other units in the building have seamlessly converted their gas ranges to electric. The residence is complete with in-unit washer/dryer, a rarity in Park Slope co-ops.

A charming shared patio tucked behind the building offers a quiet retreat surrounded by greenery-perfect for morning coffee or a glass of wine at dusk. Additional conveniences include stroller parking under the stoop and an assigned private basement storage space of approximately 40 square feet.

The co-op itself strikes an ideal balance: intimate enough that neighbors know each other by name, yet professionally managed, with low monthly maintenance and no underlying building mortgage. It's a well-run, community-oriented building where things simply work.

Location, of course, is everything-and here, you're half a block from Prospect Park, the F and G trains, and the B61 and B68 bus. Enjoy easy access to the neighborhood's best cafés, restaurants, and boutiques along 7th and 8th Avenues and Prospect Park West.

Pet-friendly, inviting, and impeccably cared for, 423 15th Street offers a rare blend of tranquility, community, and timeless Brooklyn character-all just a block from the park.

Features & Amenities

Interior Features

Building Other Washer Hookup In Unit

Exterior Features

None

Building Amenities

Bike Storage Cold Storage

Building Information

Total Units 16
Stories 4
Style WalkUp

Financial Details

Maintenance $862/mo
Original Price $799,000
Sale Price $780,000
Previous Price $799,000

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

73

Median Asking Price

$1.85M

Median $/Sqft

$1,379

Avg Days on Market

N/A

New This Week

10

Price Reduced

16%

Sold (30 Days)

23

Median Sale Price

$1.73M

Live data from RLS at REBNY • Updated 2/20/26, 12:47 AM EST

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Location

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423 15TH Street #1C, Park Slope, Kings County

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MLS® ID: RLS20053554
First Listed: 10/8/2025
On Market: 10/8/2025
Price Changed: 1/29/2026
Closed: 1/29/2026
Contract Date: 10/8/2025

Listing Courtesy of The Agency Brokerage - Melissa Bemis

Listing Contact: (908) 812-6831

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.

RLS at REBNY

RLS Data display by Keller Williams NYC. Data last updated on 2/20/2026 at 5:47 AM UTC

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