Costco Mansfield, TX - New Warehouse

The Costco Wholesale Warehouse in Mansfield is a new construction project covering 157,281 square feet. Located at the northeast corner of Lone Star Road and FM 917 in Johnson County, this facility passed its final TDLR accessibility inspection in August 2026. The project is officially complete, with a TDLR status of Inspection Complete.

Costco Wholesale Inc. Is the owner of record for this privately funded development. The construction cost was estimated at $19,500,000, resulting in a cost per square foot of $124. This figure is close to the median of $131 per square foot for new construction projects in Johnson County, although the total cost is above the county median for similar filings.

Design and Construction Details

MG2 Architecture Corporation served as the design firm of record. David C Deming was the registered accessibility specialist for the project. According to the TDLR filing, construction began in October 2025. The scheduled completion date on the filing was May 2026, but the final inspection was not passed until August 2026.

Costco Wholesale Inc. Has six other TDLR-registered projects totaling $92,784,288. These include a warehouse in Cypress and a fuel facility in Mansfield. MG2 Architecture Corporation has worked on six other projects totaling $301,753,500, including locations in Southlake and Cedar Park. Local coverage from the Mansfield Record reported the $19.5 million store was confirmed for the northeast corner of Lone Star Road.

The project is situated in an area with other commercial registrations, including Elliott Electric Supply and a McDonald's at Lone Star and 287. Nearby businesses include Mike's Mechanic Shop and Extreme Custom Fabrication. The TDLR registration for this specific warehouse was filed in July 2025, with plan review completed in August 2026.