The Preserve at Mustang Creek in Round Rock, TX

The Preserve at Mustang Creek is a completed multifamily residential development in Round Rock, Texas. Located at 1401 County Road 118, the project consists of eight residential buildings, a clubhouse, a mail kiosk, and private garages with covered parking. The complex provides 252 residential units totaling 313,419 square feet of living space.

LS Black Development serves as the owner and developer of record for this new construction project. Merriman Anderson Architects is the design firm of record, while John R Torkelson is the registered accessibility specialist. The project was privately funded on private land for private use. The estimated cost of the development is $49,941,810, resulting in a cost of $159 per square foot.

Construction Timeline and Status

Construction began in October 2023, as noted in the filing. The project was registered with TDLR in September 2024, and plan review was completed in the same month. The scheduled completion date on the filing was October 2025. The building passed its final TDLR accessibility inspection in March 2026, so construction is complete. The TDLR status is listed as Inspection Complete.

In the context of Williamson County, this project represents a significant investment in new residential capacity. Among 4,691 TDLR-registered new construction filings in the county, the median estimated cost is $851,725. The Preserve at Mustang Creek’s cost of $49,941,810 is above the county median for its type. The median size for similar filings is 9,000 square feet, whereas this project spans 313,419 square feet. The median cost per square foot in the county is $109, which is lower than the $159 per square foot for this development.

Merriman Anderson Architects has been involved in six other TDLR-registered projects totaling $90,706,000. These include the Oncor West Distribution Operations Center in Fort Worth, Orthopedic Associates in Flower Mound, and 1908 Kramer Lane in Austin. The firm also worked on Collin Creek Multifamily S1 in Plano and The Outpost Waco in Waco. The Preserve at Mustang Creek stands out due to its scale and specific focus on multifamily residential units in the Round Rock area.

The surrounding ZIP code 78634 has a population of about 43,466, with a median household income of $111,227. There are approximately 15,322 housing units in the area, and the median owner-occupied home value is $334,200. Housing in this region is predominantly owner-occupied. The completion of this project adds substantial new housing stock to the local market, aligning with the growth patterns observed in Williamson County.