MOB II in Royse City, TX

The Royse City Wellness Campus, filed with the state as MOB II, is a new 15,164 sq ft medical office building under construction at 380 Mercantile Boulevard in Royse City. The project is scheduled to finish in March 2027, with construction starting in March 2026. This new build is located in Rockwall County and is privately funded on private land for private use.

Guide Architecture serves as the design firm of record for the project. The scope of work is defined as a core and shell building intended for medical office use. The estimated cost for the project is $2,200,000, which equates to $145 per square foot. This cost per square foot is close to the county median of $142 for similar new construction filings in Rockwall County.

Project Status and Timeline

The project was registered with the Texas Department of Licensing and Regulation (TDLR) in February 2026. Plan review was completed in February 2026, and the TDLR status is listed as Review Complete. The construction window is scheduled to last 365 days, which is longer than the county median of 242 days for comparable projects. The owner of record is PH RCW Pi, LLC, which has one other TDLR-registered project totaling $2,200,000.

The surrounding area includes several established businesses such as a Walmart Supercenter, a pharmacy, and a gas station. The ZIP code 75189 has a population of about 44,348 and a median household income of $118,105 according to Census estimates. The Rockwall County unemployment rate was 4.2 percent in July 2026.

Guide Architecture has been involved in six other TDLR-registered projects totaling $10,179,067, including facilities in McKinney, Irving, Dallas, and Plano. This project represents a significant addition to the local healthcare infrastructure in Royse City. The specific registration details confirm the project is a new construction effort rather than a renovation or addition to an existing structure.