← All covered cities

Chicago, IL US

Building permit data for Chicago, IL, normalized and updated daily via the PermitStream.dev API.

Sample response

No permits ingested for Chicago yet — here's an illustrative example of the response shape you'll get once ingestion runs:

{
  "id": "00000000-0000-0000-0000-000000000000",
  "permit_number": "P-2026-000123",
  "issue_date": "2026-09-01T00:00:00+00:00",
  "permit_type": "Commercial Alteration",
  "valuation_usd": 45000.0,
  "address": "123 Main St",
  "contractor_name": "Acme Roofing LLC",
  "description": "Reroof -- commercial",
  "city": "Chicago",
  "state_province": "IL",
  "country": "US"
}

Query it yourself

curl -H "Authorization: Bearer <api-key>" \
  "https://api.permitstream.dev/v1/permits?city=Chicago&state=IL&limit=5"