Milton Coste

Licensed Real Estate Associate Broker

(917) 416-7433

SOLD FOR $1,025,000

· Closed December 16, 2019

344 6th Avenue #3
Closed For Sale Co-op

$1,025,000

344 6th Avenue #3

Park Slope, Brooklyn

MLS® #RLS10575774

RLS at REBNY

Listing by Compass

2

Bedrooms

1

Bath

N/A

Sq. Ft.

1920

Year Built

Quick Summary

Bedrooms 2
Bathrooms 1
Year Built 1920
Ownership Co-op
Maintenance $742/mo
Neighborhood Park Slope
Floor 3 of 4

Property Highlights

  • Exposure: East,West facing
  • Style: Prewar architecture
  • Climate Control: Window Units

Property Details

Type Co-op
Ownership Stock Cooperative
Total Rooms 5
Baths 1 Full
Floor 3 of 4
Exposure East,West
Cooling Window Units
Pets CatsOk
Cross Street 4th Street/5th Street
Year Built 1920
Architectural Style Prewar
Parcel # 00985-0046-00344-000-0000003
Block/Lot 985/46

Listing History

Event Date Price Change
Listed Sep 12, 2019 $1,025,000 -
Currently Apr 27, 2026 $1,025,000 -

Description

Park Slope perfection! This spacious 2 bedroom 1 bath co-op with east and west exposures is located in a well-maintained 4-unit co-op building built in 1920. Up two flights, this bright and airy home features bay windows overlooking leafy & peaceful 6th Avenue to the front and lush garden views to the back, hardwood floors, pre-war details, exposed brick, a wood burning fireplace, stainless steel kitchen appliances (including a dishwasher), tons of closets/storage, and a serene library/office alcove.


In the basement, there is a shared storage area and laundry all included in the very low maintenance of just $742.50/month. Currently zoned for P.S. 321, F, G & R trains nearby, excellent shopping and dining on 5th & 7th Avenues complete the package. No flip tax or underlying mortgage. Cats OK. No dogs, please.

Features & Amenities

Interior Features

Dining Area Common Area

Building Information

Financial Details

Maintenance $742/mo
Sale Price $1,025,000

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

110

Median Asking Price

$1.70M

Median $/Sqft

$1,376

Avg Days on Market

N/A

New This Week

14

Price Reduced

16%

Sold (30 Days)

20

Median Sale Price

$1.66M

Live data from RLS at REBNY • Updated 4/27/26, 4:07 AM EST

Similar Listings in Park Slope

View All

Location

Loading map...

344 6th Avenue #3, Park Slope, Kings County • Near 4th Street/5th Street

Building Information

Official NYC property records for this building

1920
Year Built
106 years old
4
Floors
4
Residential Units
R6B
Zoning District
Walk-Up Apartments

Tax & Assessment

Assessed Value: $905,400
Land Value: $9,000
Exemptions: $0

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

Lot Area: 1,587 SF
Building Area: 4,125 SF
Built FAR: 2.6
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 monthly maintenance are $742 per month. Confirm the exact amount with the listing broker before making an offer.

This property has 2 bedrooms and 1 full bathroom.

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

This listing is a co-op (stock cooperative). Buyers purchase shares in a corporation rather than real property, and the board must approve all sales.

Pets are permitted at this property. Contact the listing broker for weight limits or breed restrictions.

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: RLS10575774
First Listed: 9/12/2019
Closed: 12/16/2019
Contract Date: 9/12/2019

Listing Courtesy of Compass - Lori Mendelis

Listing Contact: (917) 363-4464

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 4/27/2026 at 8:07 AM UTC

Buying a Co-op? Start Here

Co-op vs. Condo: Which Is Right for You?

Ownership structure, board approval, financing: the full comparison.

Read article

How to Ace Your Co-op Board Interview

What boards look for, common questions, and how to prepare.

Read article

NYC Flip Tax Guide for Sellers

What co-op flip taxes are, how they're calculated, and who pays.

Read article

HDFC Co-ops: Complete Guide

Income limits, resale caps, and how to qualify for affordable co-ops.

Read article

Interested in this property?

Get a response within 2 hours

Your info is secure and never shared.

View Active Listings Call Milton