At Costello, we are proud to be recognized as a preeminent full-service civil engineering and surveying firm. Our accomplishments are derived from years consistent and excellent service, combined with a practical and proven approach that fuels our clients’ success. In fact, we’ve been serving communities and agencies throughout Texas for 30 years.

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 brightest and most diligent team members has always been the plan. Our people are our biggest asset, and winning “Best Place to Work” year after year is evidence of that fact.