4th Floor Whitebox

Renovation work is underway at 2911 Turtle Creek Blvd., Suite 400, in Dallas. The project, filed as the 4th Floor Whitebox, involves a tenant improvement of 8,862 sq ft of office space. The estimated cost for this alteration is $173,000, which works out to $20 per square foot. Construction began in September 2026 and is targeted for December 2026.

The owner of record is Piedmont Realty Trust, while Entos Design serves as the design firm. Fred Dean Shinault is the registered accessibility specialist for the project. The filing indicates the work is a renovation or alteration on private land for private use. The site is located within a FEMA Special Flood Hazard Area, specifically zone AE, according to the National Flood Hazard Layer.

Project Context and Comparison

This project’s estimated cost is below the county median for renovation and alteration filings in Dallas County. The median estimated cost for similar projects is $248,661, with the middle half ranging from $120,000 to $591,875. The median size for these filings is 4,226 sq ft, and the median cost per square foot is $72. This project’s scheduled build window of 107 days is close to the county median of 92 days.

Piedmont Realty Trust has six other TDLR-registered projects totaling $4,175,262. These include Park Place on Turtle Creek in Dallas, Park Place in Dallas, 6565 MacArthur in Irving, and Interlink I in Irving. Entos Design has six other TDLR-registered projects totaling $8,517,187, including Tollway Center in Addison and Energy Square 1 in Dallas. The project was registered with TDLR in September 2026, and plan review is pending.

The surrounding area, ZIP code 75219, has a population of about 25,001 according to U.S. Census ACS 2023 five-year estimates. The median household income is $92,541, and there are 19,190 housing units. The median owner-occupied home value is $377,900. Dallas County unemployment was 3.3 percent in July 2026, higher than a year earlier.