Terra Associates, Inc. conducts Geotechnical Engineering studies and Environmental Assessments. Our firm has a broad range of experience on projects throughout the Pacific Northwest. In addition to extensive Geotechnical and Environmental experience in Washington, Terra Associates’ principals and engineers are licensed and have participated in projects in Alaska, Arizona, California, Idaho, Oregon, Pennsylvania, Montana, Nevada, North Dakota, South Dakota, and West Virginia. Our project experience includes educational, recreational, and public works facilities, roadways and bridges, airports, large residential developments, and commercial and industrial complexes for both the public and private sectors. Founded in 1984, we provide a wide range of Environmental and Geotechnical Services. Terra Associates provides complete earth and environmental services, including: geology, geophysics, groundwater, geotechnical engineering, and environmental assessments. Terra Associates has earned a reputation for providing quality and cost-effective service. We built this reputation by recruiting and maintaining a staff of dedicated and skilled experts; a position that has paid off by the retention of long-term and loyal clients. The quality of our service is confirmed by the numerous new client relationships we have formed as a result of referrals from our long-term clientele.