About

At Costello, we are proud to be recognized as a preeminent full-service civil engineering and surveying firm. It’s taken years of consistently excellent service; in fact, we’ve been serving communities and agencies throughout Texas since 1991. From the beginning, Costello realized that successfully completing our clients' projects in a timely fashion required building an experienced team that thrives on problem-solving. Finding and keeping the best and brightest has always been our plan. Winning “Best Place to Work” year after year is evidence of that fact. The Costello team possesses unparalleled technical expertise, experience and an absolute commitment to responsiveness. They’re why we’ve earned the respect of numerous private and public clients, with many of them trusting us for their engineering needs from the beginning.