Due Diligence

A Phase 1 ESA supports real estate due diligence by uncovering environmental risks early—helping buyers, developers, and lenders avoid costly surprises.

ASTM standards play a critical role in Phase 1 Environmental Site Assessments by ensuring thorough, legally defensible evaluations of environmental risks. For property owners, conforming to ASTM E1527-21 isn’t just about compliance—it’s a safeguard against liability and a gateway to smoother transactions.

Phase 1 ESA findings can significantly influence a property’s market value and financing terms. This guide explores how lenders and investors use environmental data to assess risk, protect assets, and ensure smoother real estate transactions.

Timing matters when it comes to environmental due diligence. This guide walks property buyers and developers through the full Phase 1 ESA timeline, common causes of delay, and actionable tips to keep your project moving forward without surprises.