Cadence Design Systems Interior Remodel and Expansion

Research Park Plaza V in Austin underwent a major interior renovation and expansion completed in October 2023. The project, filed under the name Cadence Design Systems Interior Remodel and Expansion, involved 26,322 sq ft of workspace at 12301 Research Blvd. TDLR closed the project file in October 2023, marking the end of the accessibility review process for this construction.

The estimated cost for this renovation was $1,572,579. This places the expense above the county median for similar renovation and alteration filings in Travis County. The cost per square foot was $60, which is below the county median of $103 for comparable projects. The scheduled build window was 210 days, longer than the county median of 98 days for this type of work.

Project Stakeholders and Scope

Cousins Properties served as the owner and developer of record for this privately funded project. Cushing Terrell was the design firm of record, overseeing the interior renovation and expansion of the existing office space. Joshua T Ronson was the registered accessibility specialist associated with the filing. The work took place in the Riata Corporate Park area, a location described in third-party sources as being in Austin's high-tech corridor.

City of Austin permit records show at least 25 permits on file at this street address, with the 25 most recent issued between May 2025 and August 2026. These permits include building, electrical, mechanical, and plumbing work, indicating ongoing or recent activity at the address beyond the specific 2023 renovation.

Local Context and Market Data

Cousins Properties has six other TDLR-registered projects in the region, totaling $2,269,500, including locations at 303 Colorado and One Congress Plaza. Cushing Terrell has six other registered projects with a combined value of $32,672,082, including the large Sail Tower project in Austin. The surrounding area includes businesses such as Accenture and The Advisory Board Company, reflecting the corporate nature of the Riata Corporate Park neighborhood.

Census estimates for ZIP code 78759 indicate a population of about 44,882 and a median household income of $102,799. The median owner-occupied home value in this area is $634,400. Travis County unemployment rate was 3.9 percent in July 2026, according to FRED data. This project was registered with TDLR in March 2023 and construction started in the same month, finishing within the scheduled seven-month window.