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$1,895,000

421 4th St Unit 1 New York City, NY 11215

3 beds
2 full
1,575 sqft
$1,203 / sqft
Condo

Property details

About 421 4th St Unit 1

<p> <strong>Classic Park Slope Duplex with a Private Backyard</strong></p> <p> 3 beds 2 full baths Private Garden Central A/C</p> <p> 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.&nbsp;</p> <p> 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.</p> <p> 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.</p> <p> 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.</p> <p> 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.</p> <p> <ul> <li>Central Air Conditioning</li> <li>Washer/ Dryer&nbsp;</li> <li>3 Unit Cooperative Brownstone</li> <li>Private garden with deck, irrigation system &amp; lush greenery</li> <li>Located just moments from Prospect Park and the best of 5th and 7th Avenues</li> <li>Pet policy - Small Dog or a Cat</li> <li>No Smoking Building</li> </ul> </p>

Highlights

Home typeStock Cooperative
StatusActive
Size1,575 sqft
Year built1899
MLS #RLS20037833
ViewOther

Summary

  • Full Bathrooms: 2
  • Basement: No
  • Total Bedroom Count: 3
  • View: Other
  • Exterior: None, Private Outdoor Space Over 60 Sqft
  • Architectural Style: Walk-Up
  • List Price: $1,895,000
  • Price/SqFt: $1,203
  • HOA Amount: $1200 Monthly
  • Year Built: 1899
  • Living Area: 1,575 SqFt
  • MLS Number: RLS20037833
  • MLS Name: RLS
  • Office Name: Coldwell Banker Warburg
  • Office Phone: (212) 439-4568
  • Listing Agent: Susan Siegelaub Katz
  • Agent Phone: (203) 246-7785

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Listing information for certain New York City properties provided courtesy of the Real Estate Board ofNew 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 forthe consumer’s personal, non-commercial use. Retransmission, redistribution or copying of this listing information is strictly prohibited except in connection with a consumers' consideration of the purchase and/or sale of an individual property.
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Data displayed may be a portion of, and not a complete set of all listings published in the MLS.
This advertisement does not suggest that the broker has a listing in this property or properties or that any property is currently available
Data displayed may be a portion of, and not a complete set of all listings published in the MLS.

This advertisement does not suggest that the broker has a listing in this property or properties or that any property is currently available.
Last updated on: 7/20/2025, 8:45:32 AM Eastern. If you have any questions regarding the accuracy of this data, please contact us at help@rockethomes.com.

Price information

Property sales

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Tax history

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Nearby schools

9

P.S. 321 William Penn School

Public District KG-5

0.1 mi

180 7th Ave

9

P.S. 39 Henry Bristow School

Public District KG-5

0.2 mi

417 6th Ave

8

The Maurice Sendak Community School

Public District PK-4

0.4 mi

211 8th St

School ratings are a score out of 10, where 10 is the highest and 1 is the lowest.

All data from GreatSchools

Neighborhood

The neighbors living near this home have an average income of $117,647. Most New York City, NY residents have annual incomes between $100k-200k. The majority of families are single, no kids. Residents of this area typically have post secondary degree education.

How much money do the neighbors make?

10%
<35k
30%
35k-100k
43%
100k-200k
17%
200k+

What level of education do the neighbors have?

High School Diploma
Post Secondary Degree
Masters Degree
Doctorate

What types of families live nearby?

55%
Single, No Kids
4%
Single, with Kids
18%
Married, No Kids
23%
Married, with Kids

Are the neighbors home owners or renters?

Home Owners
Renters

How old are people in this area?

14%
<11 yrs old
4%
12-17 yrs old
30%
18-34 yrs old
45%
35-64 yrs old
7%
65+ yrs old

What do the neighbors do for fun?

  • Art MuseumsArt Museums
  • Music ConcertsMusic Concerts
  • Hiking/backpackingHiking/backpacking

Where do the neighbors shop?

  • BloomingdalesBloomingdales
  • H&MH&M
  • Nordstrom RackNordstrom Rack

Where do the neighbors go to eat?

  • StarbucksStarbucks
  • ChipotleChipotle
  • Boston MarketBoston Market

What do the neighbors drive?

  • AudiAudi
  • VolkswagenVolkswagen
  • MercedesMercedes

What do the neighbors listen to?

  • NewsNews
  • Rhythmic Contemporary HitsRhythmic Contemporary Hits
  • AlternativeAlternative
All data provided by Home Junction and Claritas

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Frequently asked questions

About 421 4th St Unit 1

The listing price of 421 4th St Unit 1 property is $1,895,000.

The property 421 4th St Unit 1 is a condo located in New York City, New York, 11215.

Active Listing: 421 4th St Unit 1 is For Sale (Active/New) which means the seller is accepting offers.

The nearby schools for 421 4th St Unit 1 are: P.S. 321 William Penn School (GreatSchools Rating 9/10), P.S. 39 Henry Bristow School (GreatSchools Rating 9/10), The Maurice Sendak Community School (GreatSchools Rating 8/10), Middle School 51 William Alexander (GreatSchools Rating 7/10), P.S. 282 Park Slope School (GreatSchools Rating 5/10), Middle School 266 Park Place Community Middle School (GreatSchools Rating 4/10), Cyberarts Studio Academy (GreatSchools Rating 2/10), Millennium Brooklyn High School (GreatSchools Rating 10/10), John Jay School for Law (GreatSchools Rating 3/10).

The property at 421 4th St Unit 1 has 3 bedrooms and 2 bathrooms.

The property 421 4th St Unit 1 is 1,575 SqFt (source: MLS/tax record).

The year of construction for 421 4th St Unit 1 is 1899.

This home is located at 421 4th St Unit 1 in New York City, NY and zip code 11215 in the South Brooklyn neighborhood. This 1,575 square foot home was built in 1899. Features: 3 bedrooms, 2 bathrooms. It has been listed on Rocket Homes since July 18, 2025 and is currently priced at $1,895,000.

New York City, NY housing market in June 2025 saw over 232 listings sold above listed price, more than 1007 sold at listed price and over 715 sold below. In June 2025 in New York City, NY there were 4.3% less homes for sale than in May. In June 2025 median list price was $881,252 and the average listing age was 99 days.

From Rocket Homes Real Estate and based on county public records data.

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