Real estate acquisitions and development decisions are only getting more complicated. Lenders and investors want certainty early, and one of the most common sources of unexpected cost and delay is environmental risk that wasn’t addressed upfront.
A Phase I Environmental Site Assessment, or ESA, is a core due diligence step that helps identify potential environmental concerns before they turn into expensive problems. When it’s completed early in the process, a Phase I does more than check a box for financing. It strengthens underwriting, supports timelines, and helps prevent surprises that can derail a project later.
The Problem: Environmental Risk Is Often Found Too Late
Environmental issues rarely show up during a site visit or in basic property records. Historical uses, undocumented releases, or impacts from nearby properties are not always visible but can still affect a project’s feasibility and value.
When environmental concerns surface late in the process, whether during construction, refinancing, or after closing, they often lead to higher costs and tougher decisions. Remediation expenses increase, schedules slip, financing gets complicated, and long term asset value can be affected. What started as an unknown risk can quickly turn into a significant financial exposure.
For lenders and investors, uncertainty around environmental conditions creates hesitation. For buyers and developers, it introduces liability that often far exceeds the cost of early due diligence.
The Solution: Early Environmental Due Diligence
A Phase I Environmental Site Assessment is designed to identify Recognized Environmental Conditions (RECs) associated with a property. Completed in accordance with ASTM standards, it reviews current and historical uses of a site to determine whether environmental impacts may be present.
Starting a Phase I early in the acquisition or financing process gives project teams clarity before capital is committed and allows environmental risk to be managed instead of reacted to.
What a Phase I ESA Looks At
A typical Phase I ESA includes a review of historical records and aerial imagery, regulatory database research, observations of current site conditions and surrounding properties, and interviews with owners and other knowledgeable parties. The outcome is a clear identification of any recognized (RECs), historical (HRECs), or controlled environmental conditions (CRECs).
Because the process is non-intrusive, it allows teams to move forward efficiently while still making informed decisions.
How a Phase I ESA Saves Money Over Time
Finding potential environmental concerns before closing gives buyers leverage. It allows time to renegotiate terms, require corrective actions, or reconsider a deal before taking on liability. Addressing these issues early is almost always less expensive than dealing with them after ownership has transferred.
A strong Phase I also supports lender and investor confidence. Most lenders require one as part of underwriting, and a clear, well documented report helps avoid last minute questions, additional conditions, or delays.
From a scheduling standpoint, early environmental review helps protect the construction timeline. Discovering an issue once work has started can bring progress to a halt. Identifying concerns early allows mitigation strategies to be planned without disrupting critical path activities.
Long term, environmental conditions can affect refinancing, disposition, and operations. A Phase I helps preserve the asset’s financeability and marketability throughout its life.
Why Timing Matters
Environmental due diligence is most effective when it happens early. Waiting too long often means tighter timelines and fewer options if something is identified.
When a Phase I is completed early, findings can be built into acquisition negotiations, financing structures, development budgets, and contingency planning. This proactive approach reduces risk and supports smoother execution overall.
Environmental Risk Is Not Limited to One Property Type
Environmental exposure is not limited to industrial sites or older properties. Multifamily, mixed use, retail, and commercial assets can all carry risk depending on historical uses and surrounding conditions, regardless of location.
Moran Consultants’ due diligence team works on projects nationwide and across asset types, providing consistent environmental assessments that align with lender expectations and local regulatory requirements.
Frequently Asked Questions
What is the primary purpose of a Phase I ESA?
To identify potential environmental contamination risks before acquisition or financing, helping stakeholders make informed decisions and limit liability.
Is a Phase I ESA required for financing?
In most cases, yes. Lenders typically require a Phase I ESA as part of standard environmental due diligence.
How long does a Phase I ESA take?
Timelines vary by site complexity, but most Phase I ESAs are completed within a few weeks. Starting early helps avoid closing or financing delays.
Does a Phase I ESA include soil or groundwater testing?
No. A Phase I ESA is non-intrusive. If potential issues are identified, a Phase II ESA may be recommended.
Can a Phase I ESA be used for refinancing or sale?
Yes. A current Phase I ESA can support refinancing, investor review, and property disposition by reducing uncertainty for future stakeholders.
Start Smart and Protect the Project
Environmental risk does not disappear if it is ignored. It usually just becomes more expensive later.
A Phase I Environmental Site Assessment provides clarity at the beginning of a project when it matters most. Identifying potential issues early helps protect budgets, maintain schedules, and give lenders and investors confidence so projects can move forward on solid footing.
