Our Mission

To provide quality, affordable professional environmental services to clients in Northern California and Southern Oregon. To gain trust through understanding, networking, accountability, and our passion for combining economic, and environmental sustainability.


Why TransTerra?

Clients benefit from a wide and diverse knowledge base, and a network of colleagues. The company focuses on quality work, transparency, ethics,  and a true interest in serving clients.



  • Biological Assessments and Monitoring

  • Wetland and Stream Delineations

  • Rare Species Surveys and Monitoring

  • Vegetation Surveys and Mapping

  • CEQA/NEPA Process Assistance and Reports

  • Local, State and Federal regulatory permitting

  • Mitigation and Monitoring Services