Supporting Balanced and Responsible Stewardship Practices through Innovative Environmental Solutions

Throughout the Pacific Northwest and western United States, Turnstone Environmental Consultants is a leading provider of natural resource services to a wide range of industries, land owners and government agencies. We combine science with quality and innovation to meet the needs of our clients in today’s changing landscapes and offer insightful solutions and sustainable options that allow for the responsible stewardship of our urban and natural environments.

Turnstone was founded in 1996 on the following principles:

  • Conduct the highest quality natural resource inventories, assessments and impact analysis.
  • Foster positive and lasting working relationships with our clients and project teams.
  • Support our clients through the regulatory process.
  • Provide objective, professional and scientific results in clear and concise reports.
  • Develop sustainable options to promote responsible stewardship.

Ranked among the Top 25 Environmental Consulting Firms in Oregon, Turnstone brings ecological excellence, regulatory compliance and innovative solutions to our clients in the land-use decision making process, regardless of the size or complexity of the project.

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