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Environmental due diligence, explained

Plain-English guides to Phase I and Phase II ESAs, costs, timelines, lender requirements and the standards behind them. Written by the team that does this work every day.

Environmental professional reviewing site plans
Phase I basics

What is a Phase I Environmental Site Assessment?

The report almost every commercial lender asks for, explained without the jargon: what it covers, who needs one and what to do with the results.

Read the guide · 7 min →
Office towers in a financial district
Cost & pricing

How much does a Phase I Environmental Site Assessment cost?

Typical price ranges, what pushes quotes up, and how to compare proposals without getting surprised by change orders.

Read the guide · 6 min →
Field crew working on a construction site
Phase I basics

Phase I vs. Phase II ESA: what's the difference?

One looks for evidence of contamination. The other tests for it. Here's how they fit together in a deal.

Read the guide · 5 min →
Downtown commercial buildings
Lenders & SBA

Do you need a Phase I ESA for an SBA loan?

How SBA lenders decide between a questionnaire, a records search, a Phase I or a Phase II, and how to keep your closing on schedule.

Read the guide · 7 min →
Environmental field technician at work
Standards

ASTM E1527-21: what changed and why it matters

The current Phase I standard, what's different from the 2013 version, and what it means for buyers and lenders.

Read the guide · 6 min →
Industrial piping and storage equipment
Phase I basics

What is a recognized environmental condition (REC)?

The most important finding in a Phase I, and the related terms that often confuse buyers and lenders.

Read the guide · 5 min →
Construction cranes over a city skyline
Timing

How long does a Phase I ESA take, and how long is it valid?

Turnaround times, the most common causes of delay, and the 180-day rule that trips up closings.

Read the guide · 5 min →
Laboratory glassware for soil sample analysis
Cost & pricing

Phase II ESA cost and timeline: what to expect

Why Phase II quotes vary so much, what you're paying for, and how long the testing takes.

Read the guide · 6 min →
Commercial real estate team reviewing documents
Standards

All Appropriate Inquiries and CERCLA liability protection

Why the Phase I matters legally, not just for your lender, and what you still have to do after closing.

Read the guide · 6 min →
Commercial street with storefronts
Property types

Buying a former gas station or dry cleaner? Read this first.

These are the two property types most likely to turn up contamination. Here's what to check and how to keep the deal moving.

Read the guide · 6 min →

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