Ascendant FW I-35 GLC Building 3 Spec Office

FW I-35 Logistics 2 LLC is renovating Building 3 at 12000 South Freeway in Fort Worth to create a new spec office within an existing concrete tilt-wall shell. The project, filed with TDLR as the Ascendant FW I-35 GLC Building 3 Spec Office, involves 4,330 sq ft of construction work with an estimated cost of $646,241. This renovation is scheduled to finish in September 2026, following a construction start in July 2026.

Downs Design Solutions serves as the design firm of record for this alteration. The scope is specifically defined as the installation of a new spec office inside the current structural envelope, rather than a ground-up build or expansion of the building's footprint. The registered accessibility specialist for this filing is Marcela Abadi Rhoads. The project is privately funded on private land for private use, distinct from publicly funded infrastructure projects in the same county.

Project Context and Scale

In Tarrant County, the median estimated cost for a renovation or alteration filing is $250,000. At $646,241, this project sits above that county median, placing it in the top quarter of similar filings. The median size for such projects in the county is 3,900 sq ft, meaning this 4,330 sq ft project is slightly larger than the typical renovation. The cost per square foot is $149, which is above the county median of $79 per square foot. The scheduled build window of 91 days is close to the county median of 92 days for similar work.

FW I-35 Logistics 2 LLC has one other TDLR-registered project in Fort Worth, Building 2, with an estimated cost of $894,716 and a status of review complete. Downs Design Solutions has registered six other projects totaling $20,494,716, including additions in Irving and Celina. The ZIP code 76028 has a population of about 78,699 and a median household income of $100,125 according to U.S. Census estimates. Tarrant County unemployment was 4.6 percent in July 2026, higher than a year earlier.

TDLR completed plan review in August 2026. The status is Review Complete, and construction is scheduled to finish in September 2026. The project does not involve new land acquisition or structural expansion beyond the interior fit-out of the existing shell.