# Chem Check Inc: demolition permit, commercial building (25,600 sq ft), 601 Ridge Rd, Thornton, IL (work from 2026-10-18)

**Score:** 55/100

| Field | Value |
|---|---|
| Contractor | Chem Check Inc |
| Project | Demolition |
| Building | Commercial building, 25,600 sq ft, 2 floors |
| Location | 601 Ridge Rd, Thornton, IL, 60476 |
| Use | Vacant to Demo |
| Permit | 20137998 |
| Approved | 2026-08-06 |
| Work | 2026-10-18 to 2026-11-17 |

## Why this score
- 25,600 sq ft building.
- Commercial building.
- Full or partial demolition: hauling and new construction follow.

Source: Cook County Department of Environment and Sustainability asbestos and demolition permits (datacatalog.cookcountyil.gov) (https://datacatalog.cookcountyil.gov/d/gpmj-6p9q). Last refreshed: 2026-11-04T06:09:02.855Z.
From Cook County Department of Environment and Sustainability permit data, which covers suburban Cook County (the City of Chicago issues its own permits). Dates are as filed and may change. Permits filed by individuals are excluded, and homes are shown by town and ZIP only. Verify with Cook County.