Last updated on Apr 3, 2026

The Alexey,
635 Fourth Avenue

The Alexey is a striking 12-story rental building in Park Slope, Brooklyn with 91 apartments. It features a unique design with colored facades, inset windows, and various amenities including a roof deck and fitness center.

Overview of The Alexey at 635 Fourth Avenue

The Alexey, located at 635 Fourth Avenue in the Park Slope section of Brooklyn, is a distinctive 12-story building completed in 2017. Developed by Bushburg Properties and designed by Nataliya Donskoy, it features a unique architectural style with multiple façade colors, slanted inset window surrounds, and cantilevered sections. The building includes 2,995 square feet of commercial space and 1,392 square feet of community facility space. Residents of The Alexey enjoy a range of amenities, including a roof deck with cabanas and grills, a fitness center, a lounge, a business center, a garage, a garden, a virtual doorman, a bicycle room, and a children's playroom. These facilities cater to a variety of lifestyle needs, making it a versatile choice for tenants. The apartments in The Alexey vary in size and layout, offering options such as a corner two-bedroom unit with 758 square feet, a one-bedroom unit with 653 square feet, and a studio corner unit with 427 square feet. Many units feature open kitchens, enhancing the living space and providing a modern touch to the interiors. While there is no specific mention of celebrities residing in The Alexey, its location and amenities make it an attractive option for a diverse range of residents seeking a contemporary living experience in Brooklyn.

Doorman

None

Type

Rental

Year Built

2017

Apartments

91 (view all units)

Floors

Neighborhood

South Slope - Greenwood Heights (Brooklyn)

Maps &
3D Aerial Views

View school info, local attractions, transportation options & more.

Experience amazing 3D aerial maps and fly throughs.

Amenities

High-Rise
Post War
Garden
Rooftop Terrace
Elevator
Children's Playroom
Lounge
Fitness Center
On-Site Parking
Outdoor Entertainment Space
Courtyard
Bike Room
Terraces / Balconies

Area Map StreetView

{ "key" : "AIzaSyDquABdSLhathmwfnoTcYwA1BY6coZZyZk", "lat": 40.66382, "lng": -73.99403, "marker": { "icon": "https://img3.cityrealty.com/neo/i/w/amenities/base.png" } }

at 4th Ave and Prospect Ave 0.13 miles

at 4th Ave and 10th 0.50 miles

Pros & Cons

Two small cantilevered sections at top
Some unusual window framing with one angled colored side
Bicycle room
Virtual doorman
Roof deck
Business center
Lounge
Garden

No concierge
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
CityRealty’s Ratings Explained

Building Management

More about HCO NY

Pricing Comparison of Similar Buildings

View Detailed Comparison

Editorial Coverage

Alternate Addresses

171 19th Street
173 19th Street
175 19th Street
177 19th Street
629 Fourth Avenue
631 Fourth Avenue
633 Fourth Avenue
635 4 Avenue
635 4th Avenue

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.

CityRealty is committed to ensuring digital accessibility for individuals with disabilities. We are continuously working to improve the accessibility of our web experience for everyone, and we welcome feedback and accommodation requests. If you wish to report an issue or seek an accommodation, please contact us at accessibility@cityrealty.com.

An equal housing opportunity

{"1":[40.775,-73.94,"East Side","_es"],"2":[40.79,-73.99,"West Side","_ws"],"11":[40.76,-73.98,"Midtown","_m"],"3":[40.736,-73.99,"Downtown","_d"],"13":[40.711309,-74.01,"Financial
District\/BPC","_fd"],"4":[40.682676,-73.973007,"Brooklyn","_b"],"12":[40.8444,-73.9376,"Upper Manhattan","_um"],"5":[40.7477089,-73.930411,"LIC \/ Queens","_qns"],"18":[40.8889782,-73.9025,"The Bronx","_bx"]}

Turn Favoritesinto Tours!

The Alexey,635 Fourth Avenue

Overview of The Alexey at 635 Fourth Avenue

Maps &3D Aerial Views

Amenities

Pros & Cons

CityRealty Rating

How is the CityRealty Rating calculated?

Building Management

Pricing Comparison of Similar Buildings

Editorial Coverage

Alternate Addresses

Buy & Sell

Rent

Buildings

Insights

Company

Turn Favorites
into Tours!

The Alexey,
635 Fourth Avenue

Maps &
3D Aerial Views