Comprehensive guides on Phase 1 Environmental Site Assessments — written for commercial real estate buyers, developers, lenders, and attorneys.
Most Phase 1 ESAs cost $1,500–$3,500. Learn what drives the price, what's included, and how to get accurate quotes for your property.
A detailed explanation of the Phase 1 ESA process — what it involves, who needs one, what ASTM E1527-21 requires, and what the report contains.
Phase 1 is non-invasive records review. Phase 2 is physical sampling. Learn when each is required, what triggers a Phase 2, and what both cost.