Overaa Construction

Member Representative: Ryan James
Senior Project Manager

Founded in 1907, Overaa Construction is a leader in advancing Northern California’s water and wastewater treatment infrastructure. Recognized by ENR as a top environmental firm, our $1.5 billion water infrastructure experience is marked by collaborative design-build, preconstruction services, and robust self-performing capabilities. These facets empower us to effectively drive project essentials: cost, schedule, and quality. Our community-centric approach guides every project, and we value our partnerships with specialized suppliers and subcontractors for services like electrical, SCADA, and process equipment—crucial for successful treatment plant projects. At Overaa, we’re dedicated to excellence, innovation, and ensuring the resilience and sustainability of our region’s crucial infrastructure. Visit Overaa.com and connect with Overaa on Facebook, Instagram, LinkedIn and X.