Phase I Environmental Site Assessments (ESAs)


CAS & Associates, LLC (CAS) prepares Phase I Environmental Site Assessments (ESAs) for real estate transactions, property development, bank financing, refinancing, foreclosures, and other in-house proactive audit programs.

The purpose of a Phase I Environmental Site Assessment is to gather sufficient information to develop an independent professional opinion about the environmental condition of the property and to identify actual or potential environmental contamination. This may impact the property value or affect claim to an “innocent landowner” exemption following the acquisition

In general, the scope of services for a Phase I ESA includes an evaluation of the following:


  • Physical characteristics of the Subject Property based on a review of referenced sources such as topographic maps and available geologic, soils and hydrologic reports.


  • Information of properties, with the specified minimum search distances from the Subject Property, available in the agency databases and in local environmental records.


  • Current and past uses of on and off-site conditions and surrounding areas through an evaluation of historical sources such as aerial photographs, fire insurance maps, city directories, interviews, and prior reports.


  • Asbestos and lead-based paint containing materials screening, consisting of a review of available analytical data, the age of the improvements, dates of renovation, and other relevant information. 


·         A dusions of the Subject Property.

CAS & Associates, LLC

2778 N. Lakeharbor Ln.

Boise, ID  83703



T: (208) 761-3001

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It’s each chemical makeup of the soil on which your property stands. For soil sampling