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Last updated on Mar 13, 2025

800 Union Street

800 Union Street is a post-war rental building in Brooklyn's Park Slope neighborhood, constructed in 1910 and converted in 2017. The 6-story building contains 28 units and offers amenities such as a roof deck, elevator, event room, lounge, fitness center, rooftop terrace, and on-site parking.

Overview of 800 Union Street

800 Union Street is a post-war rental building in Brooklyn's Park Slope neighborhood finished in 1910 and converted in 2017. Situated at 800 Union Street, between 6th Avenue and 7th Avenue, the building contains 28 units and rises 6 stories. The elevatored building's amenities include: roof deck, elevator, event room, lounge, fitness center, rooftop terrace and on-site parking.

Doorman

None

Type

Rental

Year Built

1910

Converted: 2017

Apartments

28 (view all units)

Floors

Neighborhood

Park Slope (Brooklyn)

Developer

Lewis Meltzer

Architect

Sibertekture

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Amenities

Post War
Resident Storage
Rooftop Terrace
Elevator
Mail Room
Lounge
Fitness Center
Rooftop Terrace
On-Site Parking
Outdoor Entertainment Space
Pet Grooming / Pet Services

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Area Map StreetView

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at Flatbush Ave and Park Pl 0.27 miles

at Flatbush Ave and Plaza Street East 0.27 miles

at 4th Ave 0.42 miles

Pros & Cons

Very handsome building with lovely spandrels
Doorman
Fitness center
Roof deck
Entrance marquee
Pet spa
Bicycle room

No garage
No sidewalk landscaping

CityRealty Rating

/44

Architecture

/36

Location

/39

Features

Editor’s Points

CITYREALTY
RATING

How is the CityRealty Rating calculated?
Architecture

30+ remarkable

20-29 distinguished

11-19 average

< 11 below average
Location

27+ remarkable

18-26 distinguished

9-17 average

< 9 below average
Features

22+ remarkable

16-21 distinguished

9-15 average

< 9 below average
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Building Management

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Editorial Coverage

Alternate Addresses

798 Union Street
802 Union Street
804 Union Street

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.

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An equal housing opportunity

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800 Union Street

Overview of 800 Union Street

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Amenities

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