McKinney 121 Industrial Park Phase III

Building 5 is a new 76,000-square-foot shell industrial facility located at 4200 S Hardin Blvd in Plano. The project, filed under the name McKinney 121 Industrial Park Phase III, is owned by EastGroup Properties LP and designed by GSR Andrade Architects. The estimated construction cost is $5,832,414, which equates to approximately $77 per square foot.

The scope of work includes the new construction of the industrial building along with site improvements such as landscaping and parking spaces. Construction was scheduled to begin in October 2025, with a planned completion date of July 2026. The project is privately funded on private land for private use.

Project Status and Record

TDLR completed the plan review process in December 2025. However, the agency has not yet recorded a final inspection for this project. Consequently, the current physical state of the site is not confirmed in the public record. The TDLR status is listed as Review Complete, indicating that the design phase has passed regulatory scrutiny, but final occupancy or completion is not verified in the filing.

In the context of Collin County new construction filings, this project’s estimated cost is above the county median. The scheduled build window of 266 days is longer than the county median of 212 days. Additionally, the cost per square foot is below the county median of $120. EastGroup Properties LP has six other TDLR-registered projects, including Building 6 in Plano, which is also marked as review complete.

The surrounding area in ZIP code 75050 has a population of about 44,402 residents. Median household income is estimated at $70,484, and median owner-occupied home value is $224,400. Nearby businesses include Brandon Tomes Subaru, Rackmount Solutions, and a Red Bull distribution center. The project is situated in Collin County, where the unemployment rate was 4.6 percent in July 2026, higher than a year earlier.