Last updated on Apr 3, 2026

340 Sixth Avenue

Classic 1920s Park Slope brick building with modern smart amenities and prime access to shopping, dining, and parks. Spacious residences feature soaring ceilings, Thermador kitchens, spa bathrooms, and private outdoor spaces.

Recent Sales (2) $1,522 Avg. price/ft²
All Units in Building (4)

Apt. 4

2 beds

2 baths

1,017 ft²

$1,756,481

$1,727

$1,725,000

Oct 25, 2022

Apt. 1

2 beds

2.5 baths

1,797 ft²

$2,367,431

$1,317

$2,325,000

Oct 7, 2022

View Full Sales History

Overview of 340 Sixth Avenue

340 Sixth Avenue is a well-appointed 1920s brick building located in the heart of Park Slope, Brooklyn. The building features charming brownstone detailing and a bold cornice, providing a classic New York aesthetic. Residents benefit from private storage units and a modern Butterfly MX smart video intercom system for secure guest access and package delivery. The building's prime location offers easy access to the vibrant shopping, dining, and nightlife options along 5th and 7th avenues, as well as proximity to Washington Park and Prospect Park, which provide ample recreational opportunities.

The apartments at 340 Sixth Avenue are characterized by their spacious layouts and high-end finishes. Many units boast ceilings over 9.5 feet high, 8-inch engineered white oak floors, and large living and dining areas enhanced by bay windows. The open kitchens are equipped with custom Shinnoki oak cabinetry, Carrara marble countertops, and a suite of Thermador appliances, ensuring a blend of style and functionality. The primary bedrooms often feature garden views and custom walk-in closets, leading to luxurious spa-like bathrooms with high-quality fixtures and finishes.

Outdoor space is a notable feature of select residences, with private terraces or yards that provide a serene retreat for al fresco entertaining. Additional conveniences include high-efficiency split-unit heating and cooling systems, in-unit washer-dryers, and ample storage options. The building's design and amenities cater to modern living while maintaining the charm of its historic roots.

340 Sixth Avenue is well-connected to public transportation, with access to F, G, R/Q, and 2/3 trains, as well as excellent bus service and CitiBikes nearby, making commuting and exploring the city effortless. This combination of location, amenities, and architectural character makes 340 Sixth Avenue a desirable choice for those seeking a home in Brooklyn.

Doorman

None

Type

Condo

Year Built

1920

Converted: 2022

Apartments

4 (view all units)

Floors

Neighborhood

Park Slope (Brooklyn)

Min Down

20%

Maps &
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Amenities

Pre War
Resident Storage
Central AC
Video Intercom
In-Unit Washer/Dryer
Terraces / Balconies

Area Map StreetView

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at 7th Ave and 9th 0.34 miles

at 4th Ave 0.34 miles

Sales History

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Sales Summary

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Pricing Comparison of Similar Buildings

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Editorial Coverage

Fixed-rate vs. adjustable-rate mortgages: Pros, cons, and great new listings from $425K Tuesday, August 13, 2024

Alternate Addresses

340 6 Avenue
340 Avenue of the Americas

The 74

between Second Avenue & Third Avenue

Lenox Hill

Gracious Upper East Side condos with Central Park and skyline views. Exquisite half- and full-floor homes by Rafael de Cardenas

4 beds starting at $8,950,000
5 beds starting at $11,950,000

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RLS IDX Data display by CityRealty.com, LLC. This 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. IDX information is provided exclusively for consumers' personal, non-commercial use and it may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.

All information furnished regarding property for sale, rental or financing is from sources deemed reliable, but no warranty or representation is made as to the accuracy thereof and same is submitted subject to errors, omissions, change of price, rental or other conditions, prior sale, lease or financing or withdrawal without notice. All dimensions are approximate. For exact dimensions, you must hire your own architect or engineer and for no listing shall the number of bedrooms listed be considered a legal conclusion.

All closed sales data has been provided by the New York City Department of Finance via the Automated City Register Information System (ACRIS). No warranty or representation is made as to the accuracy of any data provided by ACRIS or any other sources.

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An equal housing opportunity

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340 Sixth Avenue

Overview of 340 Sixth Avenue

Maps &3D Aerial Views

Amenities

Sales History

Sales Summary

Pricing Comparison of Similar Buildings

Editorial Coverage

Alternate Addresses

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Market Data

Market Insight

CityRealty

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