Wetlands Northwest LLC

Wetlands Northwest LLCWetlands Northwest LLCWetlands Northwest LLC

Wetlands Northwest LLC

Wetlands Northwest LLCWetlands Northwest LLCWetlands Northwest LLC
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Wetland & Stream Consulting Services in Washington

Wetlands Northwest LLC provides comprehensive wetland and stream delineation, permitting, and mitigation services.

Wetland field services with vegetation

Professional Wetland & Stream Field Work Services

  • Wetland & Stream Delineation and Verification
  • Critical Areas & Permit Support
  • Wetland & Stream Mitigation Planning
  • SEPA Environmental Review
  • Habitat Assessment & Restoration
  • Agency Coordination & Regulatory Support

Homeowner wetland guidance forest scene

Services for Homeowners

If you’re planning to build, remodel, or sell property that may contain wetlands, streams, or buffers, Wetlands Northwest LLC provides clear, practical guidance.


How We Help

  • Determine Whether Wetlands or Streams Are Present on Your Property
  • Prepare Wetland and Stream Delineations for Building Permits
  • Complete Critical Areas Reports for Single-family Homes and Additions
  • Coordinate With City or County Permitting Staff
  • Explain Regulations and Options in Plain Language


Our goal is to help homeowners avoid surprises, reduce delays, and move forward with confidence.

Developer wetland services mossy forest

Services for Developers & Project Teams

We support residential, commercial, and infrastructure projects from early site evaluation through final permit approval. Developer Services Include


  • Wetland and Stream Delineation and Buffer Analysis
  • Critical Areas and Land Use Permitting
  • Wetland and Stream Mitigation Planning and Design
  • SEPA Documentation and Environmental Review Support
  • Agency Coordination and Response to Review Comments
  • Monitoring and Post-construction Reporting


With 25+ years of experience and direct knowledge of agency review processes, we help keep projects compliant and on schedule.

(206) 554-1628 | robert@wetlandsnw.com

Copyright © 2026, Wetlands Northwest LLC. All Rights Reserved.

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