zReports Research Institute · Updated October 2026
Every treatment center in Chicago, IL, independently graded A to F from SAMHSA FindTreatment.gov federal locator of state-licensed treatment facilities (BHSIS): 74 hold an A range grade, 88 grade below B. Chicago's average score is 77.8, 0.1 above the Illinois average. The grades are free.
| Statistic | Value |
|---|---|
| Active licensed treatment centers | 180 |
| Chicago average records layer score | 77.8 |
| Illinois statewide average | 77.7 (Chicago +0.1) |
| A range grades | 74 (41.1%) |
| Graded below B | 88 |
| Clean record (no deficiencies on file) | 180 (100%) |
| Serious findings on the record | 0 |
Chicago's 180 licensed treatment centers average a records layer score of 77.8, 0.1 points above the Illinois statewide average of 77.7. 180 of 180 facilities carry a clean record with no deficiencies on the state's file. See the full picture on the Illinois Addiction Treatment Center Rankings & Safety Report.
Addiction Treatment Centers in Illinois are overseen by the state's licensing authority, whose certification, inspection, and quality-reporting data is published on the public record. This page is computed from SAMHSA FindTreatment.gov federal locator of state-licensed treatment facilities (BHSIS), the government’s own filings, not reviews or advertising.
Chicago has 180 active licensed treatment centers on Illinois's public file. Every one is ranked on this page with a free records layer grade.
Chicago's average records layer score is 77.8, 0.1 points above the statewide average of 77.7. 180 of 180 Chicago facilities have a clean record with no deficiencies on file.
The free records layer grade contains zero zReports judgment: it maps the government's own published verdicts, SAMHSA FindTreatment.gov federal locator of state-licensed treatment facilities (BHSIS), through one fixed rule applied identically nationwide. The paid Consumer Intelligence Report™ adds the composite Consumer Z Score™ and audits the record against public reputation.
No. Facilities are never contacted, never notified, and cannot pay to be listed, delisted, or re-scored. Independence is the product.
This report was generated from the zReports Consumer Records Database™, a continuously updated database that normalizes official government licensing, inspection, enforcement, ownership, and safety records across multiple federal and state agencies. Every statistic in this report is traceable to its originating public record. Facilities cannot pay to alter scores, rankings, or findings.
Data source: zReports Consumer Intelligence Database™ v2026.10 · Built from: CMS Provider Data Catalog · HHS OIG Exclusions List (LEIE) · Public consumer review signals (audited, never trusted, in the composite Consumer Z Score™) · Proprietary Consumer Z Score™ methodology · Updated: October 2026
APA, zReports Research Institute. (2026). Best Addiction Treatment Centers in Chicago, IL. Rankings & Safety Records (v2026.10). zReports.org. https://zreports.org/rankings/addiction/il/chicago
MLA, zReports Research Institute. “Best Addiction Treatment Centers in Chicago, IL. Rankings & Safety Records.” zReports.org, v2026.10, October 2026, zreports.org/rankings/addiction/il/chicago.
Plain, Best Addiction Treatment Centers in Chicago, IL. Rankings & Safety Records, zReports Research Institute, v2026.10, updated October 2026, zreports.org/rankings/addiction/il/chicago
RANKED NIGHTLY FROM SAMHSA FINDTREATMENT.GOV FEDERAL LOCATOR OF STATE-LICENSED TREATMENT FACILITIES (BHSIS) · FACILITIES ARE NEVER CONTACTED AND CANNOT PAY TO CHANGE SCORES · METHODOLOGY