Founded in 1974 by Jack O’Brien, O’Brien Architects is a full-service, multi-disciplinary architecture, master planning and interior design firm headquartered in Dallas, TX.


The firm has a long-standing reputation for its innovative design solutions with unique visioning and visualization services. With more than 4,500 projects completed nationwide, O’Brien Architects serves clients in a variety of market sectors including: multi-family, office, retail, mixed use, industrial, assisted living, healthcare, civic, grocery and interiors.