Castle Development Bldg 2 - Shell

Castle Development Bldg 2 is a new 10,150 sq ft shell building under construction at 1680 FM Road 407 in Northlake. The project, registered with TDLR in January 2026, includes adjacent parking and is targeted for October 2026.

Project Scope and Cost

The filing describes the work as a 10,150 sq ft shell structure with a total estimated cost of $1,654,000. At $163 per square foot, this project’s cost per unit area is above the county median of $121 for similar new construction filings. The total estimated cost is also above the Denton County median of $900,000, reflecting the scale of the shell build and associated site work.

Covenant Architecture serves as the design firm of record for this project. The firm has six other TDLR-registered projects totaling $5,300,000 in estimated costs, including locations in Northlake, Keller, Rhome, and Van Alstyne. Northlake MOB Development Partners 2 LLC is the owner and developer of record. Grady Gammons is the registered accessibility specialist for the project.

Timeline and Local Context

Construction is scheduled to begin in February 2026, with a planned completion date of October 2026. This 272-day build window is close to the county median of 219 days for new construction projects. The site is located in ZIP code 76247, an area with a population of about 18,360 and a median household income of $123,173 according to U.S. Census estimates. Housing in this area is predominantly owner-occupied, with a median owner-occupied home value of $372,700.

Denton County’s unemployment rate was 4.3 percent in July 2026, higher than a year earlier. The project status is listed as Project Registered, indicating that plan review is pending. No business operations are indicated in the filing; the record covers only the construction of the shell building and parking.