Who We Are

The Phase One Group is a Southern California-based boutique environmental consulting firm which was established in 2007 to exclusively complete one specific environmental due diligence service:

Phase 1 Environmental Site Assessment Reports, more commonly known as Phase 1 ESA Reports.

Our goal is to provide quality, timely and competitively-priced Phase 1 ESA Reports for real estate transactions throughout Southern California. We cover 10 Southern California counties including Los Angeles, Orange, San Bernardino, Riverside, San Diego, Imperial, Ventura, Santa Barbara, San Luis Obispo and Kern Counties.

Mark Smith

Environmental Professional

The Phase One Group was established in 2007 by Mark Smith, President, The Phase One Group, an experienced Environmental Professional (EP). An EP is defined as someone who is qualified to conduct and/or supervise a Phase 1 ESA Report, based on experience and education requirements. Mr. Smith earned his Bachelor’s of Science (BS) degree in Environmental Science from the University of California, Riverside (UCR), Class of 1994, and is a certified AHERA Asbestos Inspector with 40-Hour OSHA HAZWOPER Training.

Mr. Smith has 30 years of experience and knowledge in performing Phase 1 ESA Reports on a wide variety of properties throughout the United States. Environmental assessments completed by Mr. Smith include vacant land, agricultural land, former dairy farms, single-family dwellings, multi-family residential apartment complexes, mixed-use properties, commercial office buildings, high-rise office towers, multi-tenant retail shopping centers, regional shopping malls, light-industrial warehouses, industrial facilities and complexes, automotive repair shops, automotive body shops, and gasoline service stations. Mr. Smith has conducted over 2,500 environmental site assessments since 1994.