Three downtown office towers set to open in early 2025 will transform Austin’s skyline, adding 1.05 million square feet of office space. From The Republic’s park-side views to ATX Tower’s 58-story mixed-use design, each project brings distinct features to Downtown Austin.
Read Next: Downtown Austin Towers and Developments (Under Construction and Proposed)
1. 415 Colorado
Image courtesy of CoStar.
Address: 415 Colorado Street
Expected Delivery: 1Q 2025
Type: Office and Multifamily
Square Feet: 457,684 (110,097 Office)
Multifamily Units: 328
Stories: 47
Developer: Stonelake Capital Partners
Architect: Ziegler Cooper Architects
Leasing Team: CBRE
415 Colorado, rising 47 stories in Downtown Austin, combines 110,000 square feet of Class A office space with 328 luxury residences. The mixed-use tower, developed by Stonelake Capital Partners and designed by Ziegler Cooper Architects, features office floors (levels 13 to 18) with 16-foot ceiling heights and private terraces on each level. Office tenants will enjoy amenities including a 24-seat conference center, fitness facility, and High Bar lounge. The project is slated for delivery in 1Q 2025 and is pursuing LEED Silver certification.
2. ATX Tower
Image courtesy of CoStar.
Address: 321 W. 6th Street
Expected Delivery: 1Q 2025
Type: Office and Multifamily
Square Feet: 561,000 (123,000 office)
Multifamily Units: 369 units
Stories: 58
Developer: Ryan Companies and Tishman Speyer
Architect: Page
Leasing Team: CBRE
ATX Tower, a 58-story mixed-use development rising at 321 W. 6th Street, will bring 123,000 square feet of Class A office space to Downtown Austin. Co-developed by Ryan Companies and Tishman Speyer and designed by Page, the tower features 20,000-square-foot column-free floor plates with 14-foot floor-to-ceiling windows and private terraces on every office level. The project includes 15,000 square feet of amenities including a fitness center, all-day café, sky lounge, and bar. Expected to deliver in 1Q 2025, ATX Tower will also house 369 residential units above its office component.
3. The Republic
Image courtesy of CoStar.
Address: 401 W. 4th Street
Expected Delivery: 1Q 2025
Type: Office
Square Feet: 816,513
Stories: 48
Preleased: 49%
Developer: Lincoln Property Company and DivcoWest
Architect: Duda/Paine
Leasing Team: Lincoln Property Company
The Republic, rising 48 stories at 401 W. 4th Street, will add 816,513 square feet of office space to Downtown Austin. Co-developed by Lincoln Property Company and DivcoWest and designed by Duda/Paine Architects, the project features 27,500-square-foot floor plates with private terraces on every level. The tower includes a 25,500-square-foot exterior terrace and nearly 15,000 square feet of conference, lounge, and dining space. Already 49% preleased, The Republic is scheduled to welcome its first tenants in 1Q 2025 and will offer direct access to Republic Square Park.
Conclusion
These towers are part of Downtown Austin’s latest development wave. With two projects combining luxury residences and offices, and The Republic already half pre-leased, they reflect a market still focused on mixed-use, amenity-rich buildings downtown.
