Phone: 425.415.0551

Fax: 425.415.0311


Riley Group Corporate Office

17522 Bothell Way NE

Bothell, WA 98011

© 2014 Riley Group.
All rights reserved.


Since our inception in 1996, RGI has provided environmental consulting and remediation services on over 3,000 projects primarily located in the greater Puget Sound area. Our goal is to provide our clients with sound technical knowledge that utilizes innovative, cost-effective solutions to quickly resolve environmental issues. Our team has successfully lead hundreds of projects through the Washington State Department of Ecology’s Voluntary Cleanup Program (VCP) and No Further Action (NFA) process.

Routine environmental consulting services to include:

  • Phase I Environmental Site Assessments (ESA)
  • Phase II Soil & Groundwater Investigation (Remedial Investigation)
  • Vapor Intrusion Assessment
  • Feasibility Study
  • Disproportional Cost Analysis
  • Remediation Design and Oversight
  • Underground Storage Tank (UST) Removal
  • Expert Witness and Litigation Support
  • Asbestos & Lead Paint Building Surveys
  • Stormwater Management Planning