
Superior service,
technical expertise,
clear environmental assessment,
and remediation options tailored to your needs.
Coles + Betts earned our reputation for effective collaboration and closing our clients’ sites properly and on time. We specialize in environmental consulting for:
- Transportation / Infrastructure
- Property Re/Development
- Site Investigation & Regulatory File Closure (NFA)
We assess the issue, champion your interests, and work with you to devise a predictable project plan. Our depth of experience and scientific insights give you confidence and peace of mind, knowing you have the right solution for your project.

We Unearth Options
Your project parameters are unique. Whether working as the team lead or as a subcontractor, we explore the outcomes, available resources, and your cost/benefit opportunities.

Integrity Is Our Bedrock
Coles + Betts stands out as honest, cost-conscious, technical experts who are deep listeners, great communicators, and fast responders.

You Get the A-team
We’re an award-winning firm with 25+ years with our hands in the Pacific Northwest soils. Only our top-tier professionals work on your project to skillfully guide the process and attain high-quality results.
