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635 Fourth Avenue
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.

635 Fourth Avenue Location Map

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
Floors
12
Neighborhood

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
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  1. R
at 4th Ave and Prospect Ave 0.13 miles
  1. F
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

22
/44
Architecture
+
24
/36
Location
+
13
/39
Features
+
8
Editor’s Points
=
67
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

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