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Cotton Annex Redevelopment
Southwest
1930s architecture blended with modern design, featuring unparalleled access to the National Mall.
What?
Project type: Rental apartments
No. of units: 564
Types of units: Studios to three-bedroom apartments
Website: www.annexon12th.com
Architect: BKV Group
Last updated: June 19th, 2025
Where?
Address:
300 12th Street SW
Washington, DC 20024
When?
Status:Delivered, Leasing Up

