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.
ASTM E1527-21 defines what every Phase 1 ESA must include to satisfy federal law. Learn what the standard requires, its key definitions, and what changed from E1527-13.
The complete scope of an ASTM E1527-21 Phase 1 ESA — every historical record source, government database, site reconnaissance item, and report requirement.
California Phase 1 ESAs typically cost $2,000–$4,500. Learn how DTSC, the Cortese List, and high metro labor rates affect pricing in CA.
Texas Phase 1 ESAs typically cost $1,500–$3,500. Petroleum storage tank history is the most common REC — learn how TCEQ's VCP fits in.
Florida Phase 1 ESAs typically cost $1,800–$3,800. Karst geology and a high water table make groundwater RECs unusually common in FL.
New York Phase 1 ESAs typically cost $2,500–$5,000, with NYC metro at the high end. Learn how NYSDEC's Brownfield Cleanup Program affects due diligence.