Illinois Phase I ESA — ASTM E1527-21
Order a Phase I Environmental Site Assessment in Illinois. ASTM E1527-21 reports for commercial real estate due diligence across all 102 counties.
- 10 Day Turnaround
- 102 Illinois Counties
- ASTM E1527-21
- $2,750 Starting Price
Serving All 102 Illinois Counties
The Same Platform Trusted Nationwide — For Illinois
Our proprietary suite eliminates busywork so Illinois environmental professionals can focus on the assessment.
SnapRelay™
Secure In-Platform Messaging
All client and site-contact communications stay within one compliant, auditable interface — no external email or texting needed.
SiteSnap360™
Smart Photo Documentation
Capture, categorize, and annotate site photos on-the-go. Auto-generates professional photologs ready for the final report.
SnapMap™
Interactive Figure Builder
Create annotated site figures with drag-and-drop symbols, custom labels, and one-click PDF export — no CAD software required.
Project Folder™
Centralized Document Hub
EDR reports, client uploads, and FOIA records all live in one organized, role-protected folder accessible from any device.
Our Mission in Illinois
We provide a seamless connection between Illinois clients requiring due diligence and the local Environmental Professionals who perform it. For Illinois buyers, we ensure higher-quality Phase I ESA reports completed within 10 days of the site visit. For Illinois EPs, we offer a professional platform to monetize their expertise and grow their practice across all 102 counties. Higher-quality Phase I ESAs delivered fast — so you can make an informed decision and mitigate your environmental risk.
Why Illinois buyers trust us
Verifiable credentials, insurance, and licensed professionals — backing every Illinois Phase I ESA we deliver.
E&O Insurance Coverage
Errors & Omissions insurance is included on every Illinois Phase I ESA at no additional cost — protecting both buyer and EP.
Licensed PE / PG Network
Reports are written and signed by a Licensed Professional Engineer or Geologist familiar with Illinois' regulatory landscape.
ASTM E1527-21 Compliant
Every Illinois report meets the current ASTM E1527-21 Standard Practice and the EPA All Appropriate Inquiries (AAI) rule.
Vetted Local Illinois EPs
Credentialed, license-verified Environmental Professionals matched to your Illinois property by county-level service area.
Statewide Illinois Coverage
Our network of licensed Environmental Professionals covers every corner of the Prairie State.
Illinois Phase I Environmental Site Assessment regulations
Illinois Phase I ESAs are conducted to ASTM E1527-21 and reviewed against Illinois EPA's LUST (Leaking Underground Storage Tank) program, the Site Remediation Program (SRP), and CERCLIS/state cleanup databases. Chicago, Rockford, and Peoria carry dense industrial and rail legacies that drive most REC findings.
Voluntary program of record: Site Remediation Program (SRP).
Illinois Phase I ESA — Frequently Asked Questions
How much does a Phase I ESA cost in Illinois?
Starting at $2,750.
How long does an Illinois Phase I ESA take?
10 days following the site visit.
What is Illinois' Site Remediation Program?
Illinois EPA's SRP provides a No Further Remediation letter following cleanup; a Phase I ESA is the standard baseline.
Ready to Order Your Illinois Phase I ESA?
Enter your property details for an instant estimate — no account needed to see your price. Starting at just $2,750.