Typical Phase 1 ESA cost in Illinois
$2,200–$4,950
per standard commercial parcel
Compiled from published 2026 industry cost guides for Illinois (+10% vs. the national baseline). See the full cost data.
Phase 1 Environmental Site Assessment in Chicago, IL
Chicago's commercial real estate market, from Loop office towers to industrial corridors along the rail lines and the Chicago River, has one of the longest continuous industrial histories of any US metro, which shapes what a Phase 1 ESA here typically has to research.
What to know about the Chicago market
Chicago's rail-yard and manufacturing corridors carry a documented history of foundries, chemical distribution, and rail-adjacent fueling operations. A Phase 1 ESA on industrial land near these corridors typically involves more historical-source research than a similar assessment in a newer suburban market.
Chicago sits in Illinois. For the full state-level cost breakdown and regulatory context, see Phase 1 ESA cost in Illinois.
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Frequently asked questions: Chicago
What's a typical Phase 1 ESA cost in Chicago?
Illinois runs about 10% above the national baseline in published cost guides, putting a typical Chicago-area commercial parcel around $2,200 to $4,950 depending on the property's size and industrial history.
Do former rail-yard or industrial sites in Chicago need more due diligence?
Yes, in practice. These sites more often carry a documented history of fuel, solvent, or chemical use that a Phase 1 ESA has to trace through historical sources under ASTM E1527-21, which can mean more research time even though the process itself doesn't change.
How long does a Phase 1 ESA take for a Chicago property?
The standard national turnaround of 2 to 4 weeks applies. Properties with a longer industrial history can push toward the higher end of that range during the records-review phase.
Guides worth reading
- What Is a Phase 1 Environmental Site Assessment?
- How Long Does a Phase 1 ESA Take?
- Why Commercial Real Estate Buyers Need a Phase 1 ESA
Other metros
Compare Phase 1 ESA cost and buying context in other major commercial real estate markets.