Funding type
This project is privately funded, on private land for private use.
Colliers
111 S Congress Ave Suite 750, Austin, TX, 78701
Colliers is a renovation/alteration project at 111 S Congress Ave Suite 750, Austin, in Travis County, TX, tracked from its Texas Department of Licensing and Regulation (TDLR) registration. Under construction, estimated completion Nov 2026. The project has an estimated value of $105K across about 4,584 sq ft.
- Estimated project value
- $105K
About this figure
Estimated construction cost supplied in the TDLR filing. This is not a current property appraisal or a final construction invoice.
- Reported floor area
- 4,584 ft²
About this figure
Square footage reported for this scope of work. It may cover only part of a larger property.
- Estimated cost / ft²
- $23/sqft
About this figure
Calculated from this filing’s estimated cost divided by its reported square footage. Available only when both figures are supplied; it is not a market benchmark.
- Scheduled duration
- 2 months
About this figure
The interval between the filed start and completion dates. These dates describe the proposed schedule and do not measure actual construction progress.
The project record
Project timeline
Explore filed milestones and scheduled dates. Open a milestone for its source.
3 timeline dates shown.
Project registered · TDLR filing
Registration of the project with the Texas Department of Licensing and Regulation.
Source: TDLR filing
View source recordScheduled construction start · Scheduled date
A date supplied in the filing; this does not confirm that work started or finished.
32 days after the preceding date shown.
Source: TDLR filing
View source recordScheduled completion · Scheduled date
A date supplied in the filing; this does not confirm that work started or finished.
63 days after the preceding date shown.
Source: TDLR filing
View source record
📰About Colliers
One Eleven Congress, a 30-story office tower in Downtown Austin, is undergoing a mid-level renovation spanning 4,584 sq ft at 111 S Congress Ave Suite 750. The project, filed under the name Colliers, involves the alteration of private offices, conference rooms, and a break room. This interior work is targeted for November 2026, following a registration with TDLR in July 2026.
The estimated cost for this renovation is $104,800, which equates to $23 per square foot. This figure is below the Travis County median of $103 per square foot for similar renovation and alteration filings. The scheduled build window of 63 days is shorter than the county median of 98 days, indicating a focused and efficient timeline for the interior updates.
Cousins-One Congress Plaza LLC is the owner of record for this project. Abel Design Group serves as the design firm, a company that has registered six other TDLR projects totaling over $14 million across Texas. The registered accessibility specialist for this filing is Joshua T Ronson.
Project Context and Local History
The building itself has a notable history in the Austin commercial market. A post by streamrealty.com described One Eleven Congress as a tower situated at the gateway between the Central Business District and the waterfront. These third-party observations provide context for the building's standing in the local real estate landscape.
City of Austin permit records show at least 25 permits on file at this street address. The most recent permits, issued between September 2025 and August 2026, include electrical, building, mechanical, and plumbing work. One specific permit listed an interior remodel of an existing office building. These records align with the current TDLR filing for the Suite 750 renovation, reflecting ongoing activity within the structure.
The surrounding area, ZIP 78701, is a dense urban center with a median household income of $154,867 according to U.S. Census ACS 2023 estimates. The housing stock is an even mix of owner- and renter-occupied units. This renovation supports the continued use of the office space by private tenants within this established downtown neighborhood.
Project Registered
Project has been registered with TDLR and is in pre-construction phase
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Colliers is a Renovation/Alteration project located at 111 S Congress Ave Suite 750, Austin, TX 78701 in Austin, Texas. The project has an estimated value of $105K covering 4,584 sq ft. COUSINS-ONE CONGRESS PLAZA LLC is the property owner and Abel Design Group is the design firm of record. The project was registered with TDLR on July 31, 2026.
Frequently Asked Questions
When is the renovation at One Eleven Congress expected to be finished?
The project completion is targeted for November 2026. The work was registered with TDLR in July 2026, and plan review is pending per the filing.
Who is the owner and design firm for this project?
Cousins-One Congress Plaza LLC is the owner of record. Abel Design Group is the design firm listed on the TDLR filing for this specific renovation project.
What is the estimated cost and size of the renovation?
The estimated cost is $104,800 for 4,584 sq ft of space. This results in a cost of $23 per square foot for the interior alterations.
Is the building open for business during the renovation?
The TDLR record covers construction status only. It does not provide information about tenant occupancy or whether the business is open to the public during the renovation period.
What specific rooms are being renovated in Suite 750?
The scope of work includes private offices, conference rooms, and a break room. The finish level is described as mid-level with standard office finish specifications.
What is Colliers?
Colliers is a renovation/alteration project at 111 S Congress Ave Suite 750 in Austin, Texas, registered with the Texas Department of Licensing and Regulation (TDLR). Scope of work: Scope of work includes private offices, conference rooms, and a break room. Finish level for the project is considered "mid-level" with standard office finish specifications throughout.
Is Colliers open in Austin?
Colliers is still under construction in Austin, TX, with an estimated completion of Nov 2026 according to its TDLR registration.
Where is Colliers located?
Colliers is located at 111 S Congress Ave Suite 750, Austin, TX, 78701, in Travis County.
Who is the owner or developer of Colliers?
COUSINS-ONE CONGRESS PLAZA LLC is the property owner/developer of record for Colliers, per its TDLR project registration.
Who is the architect or design firm for Colliers?
Abel Design Group is the design firm of record for Colliers, according to its TDLR filing.
How much does Colliers cost and how big is it?
Colliers has an estimated construction value of $105K and approximately 4,584 square feet (about $23/sqft), based on its TDLR filing.
Scope of Work
Scope of work includes private offices, conference rooms, and a break room. Finish level for the project is considered "mid-level" with standard office finish specifications throughout.
Note: This project is registered under the Texas Accessibility Standards (TAS) program. TDLR registration is required for commercial and public facility construction to ensure compliance with accessibility requirements under Texas Government Code Chapter 469.
Location & views
111 S Congress Ave Suite 750, Austin, TX, 78701
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