Funding type
This project is privately funded, on private land for private use.
1301 S Lamar Spec Suite in Austin, TX
1301 S Lamar Suite 325, Austin, TX, 78704
1301 S Lamar Spec Suite is a renovation/alteration project at 1301 S Lamar Suite 325, Austin, in Travis County, TX, tracked from its Texas Department of Licensing and Regulation (TDLR) registration. Construction complete (TDLR inspection passed Aug 2026). The project has an estimated value of $750K across about 9,880 sq ft.
- Estimated project value
- $750K
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
- 9,880 ft²
About this figure
Square footage reported for this scope of work. It may cover only part of a larger property.
- Estimated cost / ft²
- $76/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
- 3 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.
4 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.
46 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.
88 days after the preceding date shown.
Source: TDLR filing
View source recordInspection complete · TDLR filing
The filing records completion of the accessibility inspection.
125 days after the preceding date shown.
Source: TDLR filing
View source record
📰About 1301 S Lamar Spec Suite
The 1301 S Lamar Spec Suite renovation in Austin is complete. This project passed its final TDLR accessibility inspection in August 2026, confirming that construction has ended. The work involved the interior finish-out of first-generation office space within Suite 325, totaling 9,880 square feet in the Zilker neighborhood.
Seamless SOLA I, LP is the owner of record for this privately funded project on private land. Sixthriver Architects served as the design firm, while Stacey L Brewer acted as the registered accessibility specialist. The total estimated cost for the alteration was $750,000. The project was registered with TDLR in November 2025, with construction starting in January 2026 and a scheduled completion in April 2026.
Cost and Scope Details
The filing describes the scope specifically as an interior finish-out of existing office space. At $76 per square foot, the cost is below the Travis County median of $103 per square foot for similar renovation and alteration filings. However, the total project cost is above the county median of $298,196, placing it in the top quarter of comparable projects in the area. The scheduled build window of 88 days is close to the county median of 98 days for similar work types.
Sixthriver Architects has registered six other TDLR projects in Austin, including The Monterrey and Arena Hall, with a combined value of $13,159,616. Other projects by this firm include Arboretum Plaza 1 and Centro North. The site is located in FEMA flood zone X, outside the 1-percent annual-chance floodplain. City of Austin permit records show at least 25 permits on file at this street address, including recent finish-out work for other tenants in the building.
Inspection Complete
Final inspection completed, awaiting project closure
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1301 S Lamar Spec Suite is a Renovation/Alteration project located at 1301 S Lamar Suite 325, Austin, TX 78704 in Austin, Texas. The project has an estimated value of $750K covering 9,880 sq ft. Seamless SOLA I, LP is the property owner and Sixthriver Architects is the design firm of record. The project was registered with TDLR on November 20, 2025.
Frequently Asked Questions
Is the 1301 S Lamar Spec Suite renovation finished?
Yes. The project passed its final TDLR accessibility inspection in August 2026. The TDLR status is listed as Inspection Complete, indicating construction is done.
Who owns and designed the 1301 S Lamar Spec Suite?
Seamless SOLA I, LP is the owner of record. Sixthriver Architects is the design firm of record for this interior finish-out project.
How much did the 1301 S Lamar Spec Suite renovation cost?
The estimated cost was $750,000. This equates to $76 per square foot for the 9,880-square-foot space.
What is the TDLR status of 1301 S Lamar Spec Suite?
The TDLR status is Inspection Complete. The project passed its final TDLR accessibility inspection in August 2026.
Is the office suite at 1301 S Lamar open for business?
The TDLR record confirms construction is complete. It does not state whether the business tenant is open or operating.
What is 1301 S Lamar Spec Suite?
1301 S Lamar Spec Suite is a renovation/alteration project at 1301 S Lamar Suite 325 in Austin, Texas, registered with the Texas Department of Licensing and Regulation (TDLR). Scope of work: Interior finish out of first generation office space
Is 1301 S Lamar Spec Suite open in Austin?
Construction on 1301 S Lamar Spec Suite is complete — TDLR records show the project passed its required accessibility inspection in Aug 2026. The building is finished and very likely open.
Where is 1301 S Lamar Spec Suite located?
1301 S Lamar Spec Suite is located at 1301 S Lamar Suite 325, Austin, TX, 78704, in Travis County.
Who is the owner or developer of 1301 S Lamar Spec Suite?
Seamless SOLA I, LP is the property owner/developer of record for 1301 S Lamar Spec Suite, per its TDLR project registration.
Who is the architect or design firm for 1301 S Lamar Spec Suite?
Sixthriver Architects is the design firm of record for 1301 S Lamar Spec Suite, according to its TDLR filing.
How much does 1301 S Lamar Spec Suite cost and how big is it?
1301 S Lamar Spec Suite has an estimated construction value of $750K and approximately 9,880 square feet (about $76/sqft), based on its TDLR filing.
Scope of Work
Interior finish out of first generation office space
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
1301 S Lamar Suite 325, Austin, TX, 78704
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Related Projects
Same Design Firm
$12.2M totalRelated City Permits
Building permits found at or near this location
Interior remodel to existing admin office Suite 400 to create newly demised Suite 450 and a new corridor and remodel restrooms. Scope of work for this permit is only corridor and shared restrooms.
ePlan: Commercial Expedited Review - Interior Remodel to Existing Light Manufacturing Areas (128726 SF)
Interior remodel to existing admin office Suite 400 to create newly demised Suite 450 and a new corridor. Scope of work for this permit is only suite 450.
ePlan: Residential Expedited Review - New construction of a 2-Story Single Family Res. [5 bed 5.5 bath] with Attached Garage.
Finish Out for Lifetime Fitness for Suite 100 Floor 1
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