Environmental Science Associates

About us

ESA is a 100% employee-owned environmental consulting firm. We plan, design, permit, mitigate, and restore—for projects across our communities, infrastructure systems, open spaces, and wildlands. We are 50 years strong in 21 offices across California, the Pacific Northwest, and the Southeastern United States.

Specializing in community and airport planning, environmental planning, analysis and assessment, natural and cultural resources management, environmental restoration and design, and regulatory compliance—ESA scientists, planners, historians, archaeologists, engineers, designers, and technical specialists provide critical thinking, in-depth analyses, and committed follow-through to guide successful policy development and project planning, and deliver enduring multi-objective solutions.