21-25 Flatbush Avenue – office space in Downtown Brooklyn, Brooklyn – photo 1

21-25 Flatbush Avenue – office space in Downtown Brooklyn, Brooklyn – photo 2

For Lease

400 - 6,000 SF Flexible Office Space for Lease | 21-25 Flatbush Avenue

21-25 Flatbush Avenue, Brooklyn, NY 11217

Office

Property Type

Downtown Brooklyn

Neighborhood

$20-28/SF/Year

Price/SF/Year

Summary

Highlights

Spaces

Map

Location

Download Flyer

3 Available Spaces

LL-A

LL-B

LL-C

LL-A

Space Size

1,500 SF

Price/SF/Year

$28/SF/Year

Lease Term

Modified Gross

Executive Summary

21-25 Flatbush Avenue offers flexible office spaces ranging from approximately 400 - 6,000 SF in the heart of Downtown Brooklyn. Featuring high ceilings, customizable layouts, HVAC, white-boxed spaces, and flexible build-out options, the property can accommodate everything from boutique offices and startups to creative studios and full-floor users. Steps from Barclays Center, City Point, Fulton Street Mall, Atlantic Terminal, and numerous subway lines, the property provides exceptional access to transportation, dining, shopping, and neighborhood amenities.

Highlights

Located in Downtown Brooklyn
Historic mixed-use building
Office spaces from approximately 400 SF to 6,000+ SF
Full-floor and smaller office configurations available
Flexible, customizable layouts
10–13 FT ceilings
White-boxed spaces
HVAC in place
Suitable for startups, creative agencies, professional offices, studios, and growing businesses
Soundproofed studios suitable for content creators, podcasters, photographers, and media-related businesses
Basement storage areas available
Free-rent periods available
Tenant improvement allowances available
Ownership is described as flexible with build-outs and layouts

Location

Just steps from Barclays Center, City Point, and the Fulton Street Mall, 21-25 Flatbush sits at one of the busiest intersections in Brooklyn. This area is home to a growing mix of tech companies, creative agencies, law firms, retail brands, and media studios, making it a hotspot for ambitious professionals and entrepreneurs. Daily foot traffic is high, public transit is unbeatable, and the energy is 24/7 thanks to a rapidly growing residential
population and constant commercial buzz.

Nearest Transit: 2, 3, 4, & 5 at Nevins St; N, Q, R, B, & D trains at Atlantic Ave; and the B67, B45, B41, & B26 bus lines.

Nearby tenants include McDonald's, Junior’s Restaurant, Shake Shack, Sweet Chick, Starbucks, Dunkin’, Hungry Ghost, Devoción, Trader Joe’s, Whole Foods Market, Target, Primark, TD Bank, Chase Bank, CVS, Crunch Fitness, ALDI, Harbor Fitness, Blick Art Materials, Micro Center, Alamo Drafthouse, Gage & Tollner, DeKalb Market Hall, CKO Kickboxing Park Slope, Coffee Project New York, HI-BK Doggy Daycare, The Rockwell Place, 7-Eleven & more.