CAS & Associates, LLC is an environmental engineering and consulting firm based in Boise, Idaho. With over 30 years of experience, our team of Engineers and Geologists specialize in Phase I and II Environmental Site Assessments (ESAs) in the State of Idaho. We provide professional environmental services to industrial, municipal, and construction clients throughout Idaho.

As a small employee-owned company, we offer cost-effective solutions without the large overhead and expenses of a larger environmental company. Our average turnaround time for Phase I ESAs is within ten to fifteen business days, ensuring prompt and efficient service. Our objective is to provide objective and professional judgment of recognized environmental conditions (RECs) in compliance with ASTM Standards.

We take pride in our ability to deliver quality ESA reports at a competitive cost. Contact us at (208) 761-3001 for a free quote