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

21-25 Flatbush Avenue , Brooklyn, NY 11217

Property Information

  • For Lease Contact for pricing
  • Property Type Office - General Office
  • Property Size 45,000 SF
  • Building Class B
  • Date Updated Oct 6, 2026

Description

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.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

  • 1013 FT ceilings
  • Basement storage areas available
  • Flexible, customizable layouts
  • Free-rent periods available
  • Full-floor and smaller office configurations available
  • Historic mixed-use building
  • HVAC in place
  • Located in Downtown Brooklyn
  • Office spaces from approximately 400 SF to 6,000+ SF
  • Ownership is described as flexible with build-outs and layouts
  • Soundproofed studios suitable for content creators, podcasters, photographers, and media-related businesses
  • Suitable for startups, creative agencies, professional offices, studios, and growing businesses
  • Tenant improvement allowances available
  • White-boxed spaces

3 Spaces Available

21-25 Flatbush Avenue

Space Type

Office

Lease Rate

Contact for pricing

Total Space

1,500 SF

Divisible Space

1,500 - 1,500 SF

Available Date

Immediate

Lease Type

Modified Gross

Renewal Option

Yes

Sublease

No

21-25 Flatbush Avenue

Space Type

Office

Lease Rate

Contact for pricing

Total Space

3,000 SF

Divisible Space

3,000 - 3,000 SF

Available Date

Immediate

Lease Type

Modified Gross

Renewal Option

Yes

Sublease

No

21-25 Flatbush Avenue

Space Type

Medical Office

Lease Rate

Contact for pricing

Total Space

6,000 SF

Divisible Space

6,000 - 6,000 SF

Available Date

Immediate

Lease Type

Modified Gross

Renewal Option

Yes

Sublease

No

Contacts

Location

Located at 21-25 Flatbush Avenue , Brooklyn, NY 11217, this property is part of the Fort Greene neighborhood and Brooklyn market.

Contact Listing Broker
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