Principled. Practical. Proven. These are the words we live by at Costello. Principled in ethics. Practical execution. Proven by results. 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.
 
For 30 years, our growth has been fueled largely by repeat business coupled with low staff turnover.  Finding and keeping the best and brightest has always been our plan. Winning Houston Business Journal’s “Best Places to Work” year after year is evidence of that fact.

From the beginning, Costello realized that successfully completing our client’s projects in a timely fashion required building an experienced team that thrives on problem-solving. Our staff 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.
Headquartered in Houston, Costello has a staff of over 150 employees with expertise in:
 
*	Residential Land Development
*	Commercial Site Development
*	Land Planning
*	Drainage Engineering
*	Levees, Dams and Flood Control
*	Utility Engineering
*	Municipal Engineering
*	Wastewater Collection and Treatment
*	Water Production, Treatment, Storage and Distribution
*	Structural Engineering
*	Transportation Engineering
*	Traffic Engineering
*	GIS Services
*	Landscape Architecture
*	Surveying and Right-of-Way Services
*	Construction Phase Services and Construction Observation

Construction

Costello, Inc.

Costello, Inc.'s headquarters in Houston, TX, United States

Costello, Inc.

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