[Research](/research) / CookDemolitionPermitPulse

# Suburban Cook County Asbestos & Demolition Permits by Contractor & Town: 2026 statistics from 1,771 public records

**The most common building type is Single-family home: 1,129 of 1,771 records (63.7%) (as of 2026-11-04; source: Cook County Department of Environment and Sustainability asbestos and demolition permits (datacatalog.cookcountyil.gov)).**

Data as of 2026-11-04 · Compiled by Zalwin from Cook County Department of Environment and Sustainability asbestos and demolition permits (datacatalog.cookcountyil.gov) Copy citation

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## Key findings

- Zalwin's CookDemolitionPermitPulse dataset holds 1,771 CookDemolitionPermitPulse records dated 2026-05-01 to 2026-11-03 (as of 2026-11-04; source: Cook County Department of Environment and Sustainability asbestos and demolition permits (datacatalog.cookcountyil.gov)). [#](#finding-1)
- The most common building type is Single-family home: 1,129 of 1,771 records (63.7%) (as of 2026-11-04; source: Cook County Department of Environment and Sustainability asbestos and demolition permits (datacatalog.cookcountyil.gov)). [#](#finding-2)
- Across 1,750 records with a stated building size, the total is 69,041,684 and the median is 1,800; the largest is 5,000,000 (Husar Abatement Ltd.) (as of 2026-11-04; source: Cook County Department of Environment and Sustainability asbestos and demolition permits (datacatalog.cookcountyil.gov)). [#](#finding-3)
- The top 10% of records by building size (175 of 1,750) account for 85.5% of the total (as of 2026-11-04; source: Cook County Department of Environment and Sustainability asbestos and demolition permits (datacatalog.cookcountyil.gov)). [#](#finding-4)
- 339 of 1,771 records (19.1%) are dated within the 30 days before 2026-11-04 (source: Cook County Department of Environment and Sustainability asbestos and demolition permits (datacatalog.cookcountyil.gov)). [#](#finding-5)

## CookDemolitionPermitPulse records by building type

| Group | Records | Share |
|---|---|---|
| Single-family home | 1,129 | 63.7% |
| Commercial building | 434 | 24.5% |
| School | 128 | 7.2% |
| Hospital | 41 | 2.3% |
| Residential, 5+ units | 36 | 2.0% |
| Residential, 2-4 units | 3 | 0.2% |

## Methodology and data provenance

- Sample: 1,771 public records dated 2026-05-01 to 2026-11-03; illustrative samples excluded.

- Source: Cook County Department of Environment and Sustainability asbestos and demolition permits (datacatalog.cookcountyil.gov). Refreshed automatically about every 24 hours; figures above are as of 2026-11-04.

- Shares are of all records in the dataset; totals and medians use only records with a stated building size.

- Organization-level data only. Informational; verify individual records at the official source.

### Cite this study

Zalwin Research, "CookDemolitionPermitPulse statistics" (data as of 2026-11-04), https://zalwin.com/research/cookdemolitionpermitpulse

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