Environmental Science Associates Employee Directory
Environmental ServicesCalifornia, United States501-1000 Employees
Environmental Science Associates (ESA) is a 100% employee-owned environmental consulting firm that provides planning, design, permitting, mitigation, and restoration services for projects across communities, infrastructure systems, open spaces, and wildlands. The firm is headquartered at 550 Kearny Street, Suite 800, San Francisco, California 94108, and operates from 21 offices across California, the Pacific Northwest, and the Southeastern United States, with about 50 years of operation. ESA specializes in community and airport planning, environmental planning, analysis and assessment, natural and cultural resources management, environmental restoration and design, and regulatory compliance. Its team comprises scientists, planners, historians, archaeologists, engineers, designers, and other technical specialists who provide analysis and support for policy development and project planning. Recent developments include the acquisition of Janicki Environmental in 2024, the acquisition of 48 North Solutions in 2025, and the engagement of the Tahoe Regional Planning Agency as a new client in 2026.
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