How Chicago's health inspection process works

Every restaurant in Chicago — from the corner taqueria to the steakhouse downtown — is subject to the same inspection program run by the Chicago Department of Public Health. Here's how it actually works.

The basic structure

The city employs sanitarians (the official title for health inspectors) who are assigned to specific geographic districts. Each sanitarian has a list of facilities they're responsible for, and they rotate through them on a schedule based on risk classification.

There are roughly 14,000 to 16,000 food establishments in Chicago at any given time. They're inspected by a couple hundred sanitarians. The math works out to several inspections per inspector per day during peak periods.

Risk-based scheduling

Restaurants aren't all inspected at the same frequency. The city assigns each one a risk classification:

• **Risk 1 (High)** — Establishments that handle raw or unprocessed foods, do extensive prep, serve vulnerable populations (kids, elderly), or have a track record of issues. These get inspected at least twice a year.
• **Risk 2 (Medium)** — Smaller operations with limited prep — think coffee shops, sandwich places. Inspected at least once a year.
• **Risk 3 (Low)** — Pre-packaged food operations, vending — inspected less frequently.

This is why you'll see some places with 4–5 inspections in a year and others with just 1.

What triggers an inspection

A few things bring an inspector to the door:

• **Canvass** — Routine, scheduled inspection. The inspector just shows up.
• **Complaint** — Someone called 311, filed an online complaint, or reported a foodborne illness. The city follows up.
• **License** — Required before a new business can open.
• **Re-Inspection** — Follow-up to verify a previous violation was corrected.
• **Suspected Food Poisoning** — Specific complaint of illness traced (or suspected) to that restaurant.

Each of these has a slightly different focus, but the inspector's checklist is largely the same.

What they check

The inspection covers around 50 different items, grouped into categories:

• Food temperature (hot foods hot, cold foods cold)
• Personal hygiene (handwashing, glove use, employee health)
• Food sources (where ingredients came from, how they're stored)
• Cross-contamination (raw meat near produce, etc.)
• Equipment and surfaces (clean, properly maintained)
• Pest control (no rodent or insect activity)
• Chemical storage (sanitizers, cleaners — not near food)
• Plumbing and water (hot water available, no backflow)

The inspector walks the kitchen, observes prep, takes temperatures with their own thermometer, and writes up everything they see. Some violations they note as informational; others trigger a citation.

After the inspection

The inspector writes a report on the spot — these are the violations you see on our site. The restaurant gets a copy, the city files theirs, and a re-inspection date is set if needed.

If the violations are serious enough — active rodent infestation, no hot water, raw sewage backing up — the inspector can close the place immediately. We see that maybe 1–2% of the time.

How that data gets to us

All of this is public record. The city publishes inspection data through its open data portal, refreshing daily. We pull from that same source, score severity based on the language used in violation comments, and surface the worst (or most recent) on the front page.

So when you see a Fail on our site, that's literally the same report the city has on file. We just make it easier to find.