A family-owned environmental consulting firm, serving Sacramento since 1997

ESS Environmental is a family-owned and operated environmental consulting firm founded in 1997 by Michael Horan. With more than 30 years of experience in asbestos, lead, mold, and indoor air quality testing, sampling, and consulting, Michael has built ESS around knowledgeable guidance and personal service.

Today, Michael works alongside his son, Donald, continuing the family commitment to practical answers, clear communication, and dependable support for every project.

ESS Environmental serves homeowners, commercial property teams, architectural and engineering firms, government agencies, school districts, and military installations throughout California and Nevada. Whether you are planning a project or responding to a concern, our experience is here to help you move forward with confidence.