Funding type
This project is privately funded, on private land for private use.
Mainsail Partners
601 W 2nd St, Suite 3100, Austin, TX, 78701
Mainsail Partners is a new construction project at 601 W 2nd St, Suite 3100, 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 $2.9M across about 12,925 sq ft.
- Estimated project value
- $2.9M
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
- 12,925 ft²
About this figure
Square footage reported for this scope of work. It may cover only part of a larger property.
- Estimated cost / ft²
- $226/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
- 13 days
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 recordReview complete · TDLR filing
The filing records completion of the accessibility review.
Same day as the preceding date shown.
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.
53 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.
13 days after the preceding date shown.
Source: TDLR filing
View source recordInspection complete · TDLR filing
The filing records completion of the accessibility inspection.
181 days after the preceding date shown.
Source: TDLR filing
View source record
Inspection Complete
Final inspection completed, awaiting project closure
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Mainsail Partners is a New Construction project located at 601 W 2nd St, Suite 3100, Austin, TX 78701 in Austin, Texas. The project has an estimated value of $2.9M covering 12,925 sq ft. Cousins Block 185 LLC is the property owner and IA Interior Architects is the design firm of record. The project was registered with TDLR on December 8, 2025.
Frequently Asked Questions
What is Mainsail Partners?
Mainsail Partners is a new construction project at 601 W 2nd St, Suite 3100 in Austin, Texas, registered with the Texas Department of Licensing and Regulation (TDLR). Scope of work: Interior Finish out of Commercial Office Space - first Generation.
Is Mainsail Partners open in Austin?
Construction on Mainsail Partners 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 Mainsail Partners located?
Mainsail Partners is located at 601 W 2nd St, Suite 3100, Austin, TX, 78701, in Travis County.
Who is the owner or developer of Mainsail Partners?
Cousins Block 185 LLC is the property owner/developer of record for Mainsail Partners, per its TDLR project registration.
Who is the architect or design firm for Mainsail Partners?
IA Interior Architects is the design firm of record for Mainsail Partners, according to its TDLR filing.
How much does Mainsail Partners cost and how big is it?
Mainsail Partners has an estimated construction value of $2.9M and approximately 12,925 square feet (about $226/sqft), based on its TDLR filing.
Scope of Work
Interior Finish out of Commercial Office Space - first Generation.
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
601 W 2nd St, Suite 3100, Austin, TX, 78701
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$4.7M totalRelated City Permits
Building permits found at or near this location
31 sewer replacement in front yard
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Replacement of complete existing central heat and air system with or without duct work LIKE FOR LIKE: 2.5T vertical gas
Total demo of sfr 1800 sqft circa 1961
Repair or replace damaged or stolen parts of the main electrical service
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