• Out on the job site, a good pair of sunglasses is a must-have for the O’Brien Engineering team. Everyone has their favorite brand; what’s yours? #NationalSunglassesDay
  • Happy Father’s Day from all of us here at O’Brien Engineering!
  • The sun is out, the lakes are warm, and it’s summer in Texas! We hope you and your family are safely enjoying Texas’ hundreds of lakes and accompanying public park land. #FirstDayOfSummer
  • Distinctive and unique, with a nature that celebrated the changing United States as it grew over time, today marks the adoption of the official Flag of the United States by the Second Continental Congress in 1777. #FlagDay
  • O’Brien Engineering provides a wide variety of services for our clients, including full architecture/engineering design, analysis, and studies (civil, mechanical, electrical, plumbing, structural, cost estimating); real estate services (appraisal, ROW, acquisition, title, closing, negotiation, mapping); specialty water resources services (1D and 2D modeling, analysis, design,
  • The Acequias of San Antonio are one of the earliest engineered water management systems in the modern-day United States, constructed by Spanish settlers between 1718 and 1744. Today, nearly 300 years later, some sections of the Acequias still provide water to fields outside of San
  • O’Brien Engineering honors our fallen armed forces servicemen and women today, those who made the ultimate sacrifice in defense of our country. #MemorialDay
  • Have you gotten outside recently? Get outside, take a walk (responsibly, per your current local guidance and regulations) and celebrate #NationalScavengerHuntDay with a hunt! Living with children? Tailor it to their eyeline and interests. By yourself? Challenging yourself to find or notice specific items can

#FlagDay

Distinctive and unique, with a nature that celebrated the changing United States as it grew over time, today marks the adoption of the official Flag of the United States by the Second Continental Congress in 1777. #FlagDay

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Our Services

O'Brien Engineering provides a wide variety of services for our clients, including full architecture/engineering design, analysis, and studies (civil, mechanical, electrical, plumbing, structural, cost estimating); real estate services (appraisal, ROW, acquisition, title, closing, negotiation, mapping); specialty water resources services (1D…

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The Acequias of San Antonio

The Acequias of San Antonio are one of the earliest engineered water management systems in the modern-day United States, constructed by Spanish settlers between 1718 and 1744. Today, nearly 300 years later, some sections of the Acequias still provide water…

Read More

#NationalScavengerHuntDay

Have you gotten outside recently? Get outside, take a walk (responsibly, per your current local guidance and regulations) and celebrate #NationalScavengerHuntDay with a hunt! Living with children? Tailor it to their eyeline and interests. By yourself? Challenging yourself to find…

Read More