Funding type
This project is privately funded, on private land for private use.
T1 ENERGY in Austin, TX
1200 E 4TH ST., Austin, TX, 78702
T1 ENERGY is a renovation/alteration project at 1200 E 4TH ST., Austin, in Travis County, TX, tracked from its Texas Department of Licensing and Regulation (TDLR) registration. Construction complete (TDLR inspection passed Jun 2026). The project has an estimated value of $2.5M across about 14,910 sq ft.
- Estimated project value
- $2.5M
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
- 14,910 ft²
About this figure
Square footage reported for this scope of work. It may cover only part of a larger property.
- Estimated cost / ft²
- $168/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
- 5 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.
5 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.
52 days after the preceding date shown.
Source: TDLR filing
View source recordReview complete · TDLR filing
The filing records completion of the accessibility review.
4 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.
143 days after the preceding date shown.
Source: TDLR filing
View source recordInspection complete · TDLR filing
The filing records completion of the accessibility inspection.
43 days after the preceding date shown.
Source: TDLR filing
View source record
📰About T1 ENERGY
The renovation of T3 ATX Eastside at 1200 E 4th St. in Austin is complete. The project, filed under the name T1 Energy, involved the interior finish of an existing office space within a 14,910 sq ft area. This specific scope of work did not include a change of use. The building passed its final TDLR accessibility inspection in June 2026, confirming that construction has concluded.
Project Scope and Cost
4Th & Waller Owner LLC served as the owner of record for this privately funded project. The estimated cost was $2,500,000, resulting in a cost of $168 per square foot. This figure is above the Travis County median of $103 per square foot for similar renovation and alteration filings. The scheduled build window of 147 days was longer than the county median of 98 days for this project type.
N-Vizion Design was the registered design firm for the project. David C Deming served as the registered accessibility specialist. The work was registered with TDLR in October 2025, with plan review completed in December 2025. Construction began in December 2025, and the filing indicated a completion date of May 2026. The final inspection passed in June 2026, marking the project as Inspection Complete.
Location and Context
The site is located in the East Cesar Chavez neighborhood of Travis County. The surrounding area includes several established businesses such as Cenote, The White Horse, and HOTEL VEGAS. According to U.S. Census ACS 2023 five-year estimates for ZIP 78702, the area has a population of about 26,495 and a median household income of $101,304. Housing in this ZIP code is mostly renter-occupied, with a median owner-occupied home value of $644,200.
Third-party sources describe the broader T3 ATX Eastside development as a mixed-use structure. A post from DLR Group describes it as a modern timber office and residential development. The Mass Timber Conference lists the project owner as Hines and Kinder Foundation, with a completion date of November 15, 2023. Quiddity Engineering notes its role in civil engineering and site development permits for the project. These descriptions refer to the larger building development, while the TDLR filing specifically covers the interior office renovation described here.
Inspection Complete
Final inspection completed, awaiting project closure
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T1 ENERGY is a Renovation/Alteration project located at 1200 E 4TH ST., Austin, TX 78702 in Austin, Texas. The project has an estimated value of $2.5M covering 14,910 sq ft. 4TH & WALLER OWNER LLC is the property owner and N-VIZION DESIGN is the design firm of record. The project was registered with TDLR on October 28, 2025.
Frequently Asked Questions
Is the renovation of T3 ATX Eastside finished?
Yes, the construction is complete. The project passed its final TDLR accessibility inspection in June 2026. The TDLR status is listed as Inspection Complete, confirming that the interior finish work has concluded.
What was the cost of the T3 ATX Eastside renovation?
The estimated cost for the renovation was $2,500,000. This amount covers the interior finish of the existing office space. The cost per square foot was $168, which is above the Travis County median for similar projects.
Who was the owner and design firm for this project?
The owner of record was 4Th & Waller Owner LLC. The design firm of record was N-Vizion Design. David C Deming was the registered accessibility specialist for the TDLR filing.
Is the business at 1200 E 4th St. open?
The TDLR record confirms the construction renovation is complete, but it does not indicate whether the business is open to the public. Construction completion is a separate status from business operations.
Where is the T3 ATX Eastside project located?
The project is located at 1200 E 4th St. in Austin, Texas 78702.
What is T1 ENERGY?
T1 ENERGY is a renovation/alteration project at 1200 E 4TH ST. in Austin, Texas, registered with the Texas Department of Licensing and Regulation (TDLR). Scope of work: INTERIOR FINISH OUT OF AN EXISTING OFFICE SPACE. NO CHANGE OF USE
Is T1 ENERGY open in Austin?
Construction on T1 ENERGY is complete — TDLR records show the project passed its required accessibility inspection in Jun 2026. The building is finished and very likely open.
Where is T1 ENERGY located?
T1 ENERGY is located at 1200 E 4TH ST., Austin, TX, 78702, in Travis County.
Who is the owner or developer of T1 ENERGY?
4TH & WALLER OWNER LLC is the property owner/developer of record for T1 ENERGY, per its TDLR project registration.
Who is the architect or design firm for T1 ENERGY?
N-VIZION DESIGN is the design firm of record for T1 ENERGY, according to its TDLR filing.
How much does T1 ENERGY cost and how big is it?
T1 ENERGY has an estimated construction value of $2.5M and approximately 14,910 square feet (about $168/sqft), based on its TDLR filing.
Scope of Work
INTERIOR FINISH OUT OF AN EXISTING OFFICE SPACE. NO CHANGE OF USE
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
1200 E 4TH ST., Austin, TX, 78702
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