About
for Chicago property owners, operators, tradesmen, and residents
311 complaints
Know the moment it’s filed
Every complaint ingested within 30 minutes. Heating, rodents, building violations, shared housing — 13M records, searchable by address.
Building resolution
One building, one record
Multiple addresses, multiple PINs — resolved automatically into a single unified property view.
Violations & permits
The full enforcement picture
Inspector comments, inspection grouping, 540-day expiration tracking. Stop work orders flagged immediately.
STR intelligence
76% have a compliance gap
Airbnb listings cross-referenced against BACP registrations, the Prohibited Buildings List, and SHVR complaints.
Assessment data
Two years ahead of the county
2025 assessed values for all 1.86M parcels. The Cook County website still shows 2023.
Monitoring
Your building, watched
Save any property. Weekly digests free. Hourly SMS alerts on premium. The window between filing and inspection is everything.