The STA Headquarters is a flagship facility constructed into a challenging limestone hillside, transforming a three-acre site with significant grade changes into a modern, light-filled workplace and medical environment. Built partially below grade, the facility integrates office, clinical, and parking functions into a cohesive and highly detailed structure.
Integrated Medical Campus
Levels Below Grade
Project Awards Received
Due to the site’s dramatic north-to-south elevation change, the building was constructed directly into solid limestone, requiring advanced excavation, soil retention, and waterproofing strategies. Half of the structured parking garage sits below grade while the upper levels rise alongside the main building, connected by a balcony that provides seamless access for employees and visitors.
A major design priority was maximizing natural light throughout the interior. Large curtain walls, three prominent skylights, and cast-in-place window openings in the foundation walls flood the space with daylight—enhancing both the workplace and medical environments. Natural stone, rich wood veneers, and integrated LED lighting create a warm, refined interior experience, establishing the facility as STA’s flagship location and prototype for future developments.
Despite record-setting rainfall and 63 weather-impacted days, the project team implemented an extensive site dewatering system and utilized a top-down construction strategy to accelerate progress. The building was completed nearly seven weeks ahead of schedule, demonstrating proactive planning, technical expertise, and disciplined execution.
AP excelled in leadership and guidance throughout the project. The AP team was made up of skilled professionals committed to delivering results that exceeded our expectations. The project team maintained strong communication with all parties involved and ensured smooth operations and a timely completion. The new Southwest Transplant Alliance headquarters is a project AP should be very proud of and is a tremendous representation of the high level of work AP can produce.
Kyle Bramlett
Director
Cushman & Wakefield
Southwest Transplant Alliance
Dallas, TX
We are exceptionally proud of the finished product and genuinely appreciate AP’s collaborative efforts to make the design come to life. Their team’s dedication to the delivery of this building exceeded expectations and our firm is delighted to recommend AP as a General Contractor. We look forward to working with them again on many projects in the future.
Matt McDonald
Principal
Corgan
Southwest Transplant Alliance
Dallas, TX
