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William Oscar Maddaus Profile Photo

William Oscar Maddaus

June 7, 1945 — March 13, 2026

William Oscar Maddaus, 80, of Alamo, California, passed away peacefully surrounded by family. Born on Long Island, New York, he was raised in Palo Alto, California and became an Eagle Scout before pursuing civil engineering degree at the University of California Berkeley and a masters degree at Massachusetts Institute of Technology.

He dedicated his career to water and environmental engineering, working on projects that helped improve water systems throughout California and around the world, later founding his own engineering company, Maddaus Water Management, with his wife, Linda's support in 1995.

He loved travel, the outdoors, and sharing stories from a life filled with adventure, curiosity, and service.

He is survived by his wife, Linda, of 60 years, two children, Lisa Maddaus (Ryan Moore) their children, Paul (19) and Sara (15) and Michelle Maddaus (Chris Matyas) their children, Kayla (17), and Alexander (14) along with loved ones circling the globe who will remember his wisdom, humor, and encouragement to explore the world.

To order memorial trees or send flowers to the family in memory of William Oscar Maddaus, please visit our flower store.

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