Milton Coste

Licensed Real Estate Associate Broker

(917) 416-7433

SOLD FOR $3,350,000

· Closed May 29, 2026

438 12TH Street #7B
Closed For Sale Condo

$3,350,000

$1,785 per sq ft

438 12TH Street #7B

Park Slope, Brooklyn

MLS® #RLS20077196

RLS at REBNY

Listing by Brown Harris Stevens Residential Sales LLC

3

Bedrooms

2.5

Baths

1,877

Sq. Ft.

1920

Year Built

Quick Summary

Bedrooms 3
Bathrooms 3 full, 1 half
Living Area 1,877 sq ft
Year Built 1920
Ownership Condo
HOA/Common Charges $1,424/mo
Property Taxes Contact for details
Neighborhood Park Slope
Floor 7 of 6

Property Highlights

  • Outdoor Space: Terrace
  • Fireplace: 1 fireplace
  • Climate Control: Wall Units

Property Details

Type Condo
Ownership Condominium
Total Rooms 6
Baths 2 Full, 1 Half
Floor 7 of 6
Cooling Wall Units
Pets Yes
Year Built 1920
Living Area 1,877 sq ft
Structure Type HighRise
Basement Other
Block/Lot 01098/0000

Listing History

Event Date Price Change
Listed Mar 14, 2026 $3,200,000 -
Currently Jun 7, 2026 $3,350,000 +4.7%

Description

438 12th Street, PHB at The Ansonia Clockworks: A Rare Brooklyn Penthouse Offering

Presenting a truly unique opportunity to own a magnificent duplex penthouse in the coveted Ansonia Clockworks building in South Slope. This exceptional 3-bedroom, 2.5-bathroom
home spans 1,877 square feet and features over 1,200 square feet in 3 private outdoor terraces, offering a one-of-a-kind living experience in Brooklyn.

With three exposures-west, south, and east-this penthouse is bathed in natural light throughout the day, providing stunning views of the Hudson River, the Statue of Liberty, and sweeping vistas of downtown Manhattan and Brooklyn. The apartment's layout takes full advantage of these captivating views, creating a bright and airy atmosphere throughout the home.

The expansive living and dining areas are perfect for both entertaining and everyday living. Large windows frame panoramic city views, while the layout offers a seamless flow between spaces. The living area is complemented by a wood-burning fireplace, adding warmth and character to the modern design.

The kitchen is a chef's dream, fully equipped with top-of-the-line appliances. It features a Sub-Zero refrigerator and a Miele dishwasher, creating a truly professional-grade cooking space.

Upstairs, the spacious primary suite is a true retreat, offering serene views and direct access to one of the private terraces. The suite is equipped with ample closet space, including a walk-in closet, and an en-suite bathroom designed as a personal spa with a Jacuzzi soaking tub. The central air conditioning with separate control ensures comfort year-round.

Two additional well-appointed bedrooms share access to the home's other terraces, with each room offering plentiful storage and a bright, open feel. A versatile home office or nursery provides additional flexibility for your needs.

Outside, the 1,200+ square feet of terraces provide endless possibilities for entertaining, gardening, or enjoying quiet moments with the city skyline as your backdrop. These private outdoor spaces offer direct views of downtown Manhattan, the Hudson River, and beyond, making it an ideal location for al fresco dining, lounging, or simply soaking in the atmosphere of South Brooklyn.

The Ansonia Clockworks is a boutique building that blends historic charm with modern amenities. With just a few residences per floor, the building offers an intimate, private living experience. The well-maintained building features a doorman (available from 8:00 PM to 11:00 PM), live-in super, elevator service, and a beautifully landscaped European-style courtyard.

Dogs and cats are welcome, making this a pet-friendly home.

Conveniently located in South Slope, you are just a few blocks from Prospect Park, 3 blocks from the F train, and within easy reach of the vibrant shopping and dining destinations on 7th and 8th Avenues. Additionally, this home is zoned for PS 107.

Key Features:

- 1,877 square feet of interior living space with over 1,200 square feet of private outdoor terraces
- 3 bedrooms, 2.5 bathrooms with expansive views of the Hudson River, Statue of Liberty, downtown Manhattan, and Brooklyn
- Three exposures (west, south, east) ensuring abundant natural light throughout the day
- Spacious living and dining areas with panoramic city views and wood-burning fireplace
- Chef's kitchen with Sub-Zero refrigerator, Miele dishwasher, and GE stove
- Primary suite with walk-in closet, en-suite bath (Jacuzzi tub, no rain shower), and private terrace access
- Two additional bedrooms with ample storage and terrace access
- Expansive outdoor space ideal for entertaining, lounging, and dining
- Full-time doorman (8:00 PM to 11:00 PM), elevator building, live-in super, and beautifully landscaped courtyard
- Pet-friendly (dogs and cats allowed)
- Zoned for PS 107
- Convenient to Prospect Park (5 blocks), F train (3 blocks), and a wealth of local amenities
- Capital Assessment: $589.23 through 2026

This penthouse is a rare find in South Slope, offering an exceptional living experience with expansive interiors, private outdoor space, and breathtaking views. Don't miss the opportunity to make this one-of-a-kind residence your home.

Features & Amenities

Interior Features

Building None In Unit Fireplace (1)

Exterior Features

Building Courtyard Private Outdoor Space Under60 Sqft Terrace

Building Amenities

Concierge Elevators

Building Information

Building Data View Compliance & Permits
Total Units 34
Stories 6
Structure HighRise

Financial Details

Common Charges $1,424/mo
RE Taxes Contact for details
Original Price $3,200,000
Sale Price $3,350,000
Previous Price $3,200,000

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

125

Median Asking Price

$1.82M

Median $/Sqft

$1,386

Avg Days on Market

N/A

New This Week

16

Price Reduced

18%

Sold (30 Days)

21

Median Sale Price

$2.30M

Live data from RLS at REBNY • Updated 6/7/26, 6:07 PM EST

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Location

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438 12TH Street #7B, Park Slope, Kings County

Floor Plans

Floor Plan 1

Building Information

Official NYC property records for this building

1920
Year Built
106 years old
8
Floors
34
Residential Units
R6B
Zoning District
Condominiums Historic District: Park Slope Historic District Extension

Tax & Assessment

Assessed Value: $4,168,353
Land Value: $176,845
Exemptions: $4,580

Note: Individual unit taxes may differ. Verify current tax bills with NYC DOF.

Lot Area: 23,182 SF
Building Area: 51,023 SF
Built FAR: 2.2
Allowed FAR: 2

Source: NYC PLUTO (Primary Land Use Tax Lot Output), NYC Department of City Planning (data.cityofnewyork.us)

Want help estimating ownership costs or understanding building compliance? Let's discuss

Frequently Asked Questions

Common questions about this property

The current listed common charges are $1,424 per month. Confirm the exact amount with the listing broker before making an offer.

This property has 3 bedrooms and 2 full bathrooms and 1 half bathroom.

The listed interior living area is 1,877 square feet. Verify dimensions independently during due diligence.

According to MLS records, the building was constructed in 1920, making it approximately 106 years old.

This listing is a condominium. Buyers receive a deed to their individual unit and own their space outright, subject to condo association rules.

Pets are permitted at this property: case by case,Building Pets Allowed Comments:case by case. Contact the listing broker for weight limits or breed restrictions.

At the current list price of $3,350,000 for 1,877 sq ft, the asking price per square foot is approximately $1,785. This figure is for reference only and may differ from appraised or assessed values.

To schedule a private showing, contact Milton Coste at (917) 416-7433 or mcoste@kwnyc.com. Per REBNY guidelines effective 2025, a Buyer Representation Agreement is required before a buyer's broker can show you properties. You may attend open houses independently without one.

Have a question not answered here?

(917) 416-7433
MLS® ID: RLS20077196
First Listed: 3/14/2026
On Market: 3/14/2026
Price Changed: 6/4/2026
Closed: 5/29/2026
Contract Date: 3/14/2026

Listing Courtesy of Brown Harris Stevens Residential Sales LLC - David E Perry

Listing Contact: (212) 588-5697

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 6/7/2026 at 10:07 PM UTC

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