This article is updated quarterly and was last updated on August 7, 2023.
The South Austin submarket has seen significant changes in the past few years and with so many changes, it can be hard to keep track of all the new developments in the area.
Learn More: See the developments that are under construction and proposed in Austin’s other submarkets.
At AQUILA, we keep a careful eye on the Austin market in order to keep our clients and partners informed. That’s why we compiled this list of South Austin developments that are proposed or under construction along with all the public information we know about each one.
Click the links below to jump to specific sections:
- South Austin office projects
- South Austin mixed-use projects
- South Austin hotel and residential projects
South Austin Office Developments – Under Construction
1. 1301 South Lamar
Address: 1301 S. Lamar Blvd.
Square Feet: 134,623
Preleased: 0%
Stories: 4
Expected Delivery: 3Q 2023
Developer: Seamless Capital
Leasing Team: Endeavor Real Estate Group
2. Zilker Point
Address: 218 S. Lamar Blvd.
Square Feet: 194,800
Preleased: 0%
Stories: 7
Expected Delivery: 3Q 2024
Developer: DivcoWest and Generational Commercial Properties
Leasing Team: AQUILA Commercial
South Austin Office Developments – Proposed
1. Garza Ranch Building 2
Address: 6316 Legado Lane
Square Feet: 150,000
Preleased: 0%
Stories: 4
Developer: Brandywine Realty Trust
Leasing Team: JLL
2. 817 S. Congress
Address: 817 S. Congress Ave.
Square Feet: 100,000
Developer: Related Companies
Leasing Team: CBRE
Expected Delivery: TBD
3. 901 S. Congress
Address: 901 S. Congress Ave.
Square Feet: 106,854
Stories: 5
Expected Delivery: TBD
Leasing Team: CBRE
Developer: Related Companies
4. One Ladybird Lake
Address: 208 Barton Springs Rd.
Square Feet: 475,000
Stories: 15
Developer: Related Companies, Christopher Investment Company
Expected Delivery: TBD
5. 311 S. Congress
Address: 311 S. Congress Ave.
Square Feet: 475,000 (10,000 square feet of retail)
Developer: Tishman Speyer Properties LP
South Austin Mixed-Use Developments – Under Construction
1. St. Elmo Plaza

St. Elmo Plaza Rendering (Source: CoStar)
Address: 4223 S. Congress Ave.
Square Feet of Office:100,000
Uses: Office, Residential, Hotel, Retail (Office portion is still proposed and waiting for a prelease.)
Residential Units: 450
Hotel Keys: 150
Office Preleased: 0%
Stories: 4
Developer: Maker Bros.
Architect: Andersson-Wise Architects
Leasing Team: Cushman and Wakefield
Want to learn more about St. Elmo? Read our article, St. Elmo: Austin’s Next Development Boom?
South Austin Mixed-Use Developments – Proposed
1. Austin American-Statesman Site
Address: 305 S. Congress Ave.
Square Feet: 3.5 million (1.5 million office)
Uses: Multifamily, Hotel, Office, Retail
Developer: Endeavor Real Estate Group
Architect: Skidmore Owings & Merrill
2. Brodie Oaks Shopping Center Offices
Address: 4006 S. Lamar Blvd.
Square Feet of Office: 1.1 million
Uses: Office, Retail, Multifamily, Hotel
Residential Units: 1,600
Hotel Keys: 450
Stories: 25
Preleased: 0%
Stories: 20 to 25
Developer: Barshop and Oles
South Austin Hotel and Residential Developments – Under Construction
1. Prospect
Address: 4515 S. Congress Ave.
Uses: Residential
Residential Units: 255
Stories: 4
Expected Delivery: 3Q 2023
Developer: Cypress Real Estate Advisors
2. Bend South Congress
Address: 4802 S. Congress Ave.
Uses: Residential
Residential Units: 200
Stories: 5
Expected Delivery: 2Q 2024
Developer: Provenance Development
3. One Oak
Address: 2209 S. First St.
Uses: Residential
Residential Units: 106
Stories: 4
Expected Delivery: 4Q 2023
Developer: Intercorp Homes
Architect: Pappageorge Haymes Partners
4. 1311 S Lamar Blvd
Address: 1311 S. Lamar Blvd.
Uses: Residential
Residential Units: 309
Stories: 6
Expected Delivery: 3Q 2023
Developer: Seamless Capital
5. Bishop Momo
Address: 4329 S. Congress Ave.
Uses: Residential
Residential Units: 274
Stories: 5
Expected Delivery: 1Q 2024
Developer: United Properties
Architect: Belshaw Mulholland Architects
6. The Station at St. Elmo
Address: 4510 Terry-o Lane
Uses: Residential
Residential Units: 136
Stories: 4
Expected Delivery: 4Q 2023
Developer: Legacy Communities
Architect: Kelly Grossman Architects
7. Mercury Hall
Address: 601 Cardinal Lane
Uses: Residential
Residential Units: 261
Stories: 5
Expected Delivery: 2Q 2025
Developer: Slate Real Estate Partners
Architect: Wilder Belshaw Architects
8. Montage
Address: 2323 S. Lamar Blvd.
Uses: Residential
Residential Units: 182
Stories: 5
Expected Delivery: 4Q 2024
Developer: Pearlstone Partners
Architect: STG Design
This article will be updated on a quarterly basis, so check back regularly for updates. For a more in-depth market analysis, be sure to check out our latest Austin Office Market Report.

