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$2,150,000
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Property 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
Full Property Details
Full Property Details for 421 4th St #1
General
- Sold For: $2,150,000
- HOA FEE: $1,200/month
- Status: Closed
- Type: Apartment
- Source: REBNY
- MLS ID: RLS20037833
- Added to Site: 184 day(s) ago
Interior
- Number of Rooms: 6
Rooms
Bathrooms
- Total Bathrooms: 2
- Full Bathrooms: 2
Bedrooms
- Total Bedrooms: 3
Other Rooms
- Laundry: Building None, Washer Hookup, In Unit
Exterior
- Exterior Features: Private Outdoor Space Over 60 Sqft
- Porch/Patio/Deck: Patio
Location
- County: Kings
- Subdivision: Park Slope
Community
- Pets Allowed: Yes
Structural Information
- Architectural Style: Walk-Up
- Basement Desc.: Other
- Stories/Levels: 3
- Square Feet: 1,575
- Living Area: 1,575 Sq. Ft.
- Year Built: 1899
Lot Features
- Property View: Other
- Zoning: null
Financial Considerations
- Association Fee: $1,200
- Assoc Fee Freq.: Monthly
Disclosures and Reports
- Special Conditions: Standard
- Property ID: 00983-0059
- Block: 983
- Lot Number: 59
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Schools
Schools serving 421 4th St #1
School District:New York City Geographic School District 15
| Name | Grades | Distance |
|---|---|---|
Ps 321 William Penn 180 7th Avenue, Brooklyn, NY 11215 | K-4 | 0.1 mi |
Disclaimer:
School attendance boundaries provided by Pitney Bowes and are for reference only. Contact the school directly to verify enrollment eligibility.
Price & Sales History for 421 4th St #1
Date
Details
Price
Change
Source
10/23/2025
Sold
$2,150,000
13.46%
MLS
7/18/2025
Listed
$1,895,000
—
MLS
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
421 4th Street #1, New York City, NY 11215 (MLS# RLS20037833) is a Apartment property that was sold at $2,150,000 on October 23, 2025. This property was listed by Susan Katz from our 654 Madison Ave Office.Want to learn more about 421 4th Street #1? Do you have questions about finding other Apartment real estate for sale in New York City? You can browse all New York City real estate or contact a Coldwell Banker agent to request more information.



