Building permits in Cook County, IL
Mapenzo tracks 25,278 building permits and applications in Cook County, IL, with 2,959 added in the last 30 days. The latest was recorded on Oct 13, 2026. Data updates daily.
25,278permits in total
2,959new in 30 days
25,278issued
0applications in review
Oct 13, 2026latest record
Frequently asked questions
How many building permits are there in Cook County, IL?
Mapenzo has 25,278 records in Cook County, IL: 25,278 issued or under construction and 0 in review. 2,959 were added in the last 30 days.
How do I find new permits in Cook County, IL?
The Mapenzo map shows every permit in Cook County, IL in one place, filterable by trade and date.
How fresh is the data?
Mapenzo collects data from official permit registers every day. New permits appear on the map the same day the register publishes them.
Can I see applications before a permit is issued?
Yes. Besides issued permits, the map shows applications and notices still in review whenever the register publishes them.