Health Inspection Grades: How to Read That Letter in the Window

Where the letters come from

Los Angeles County invented the modern version in 1997 after a TV exposé of restaurant kitchens; New York City followed in 2010. Today, LA, NYC, and a spreading list of jurisdictions require restaurants to post a letter grade at the entrance, while other cities (Chicago, Houston, most of the country) publish inspection results online without the scarlet letter.

The mechanics differ in a way worth knowing. In LA County, you start at 100 and lose points per violation: 90-100 is an A, 80-89 a B, 70-79 a C. In NYC, points accumulate — the fewer the better: 0-13 points is an A, 14-27 a B, 28+ a C. Same letters, opposite arithmetic, and in both systems the letter reflects one inspection on one day.

What actually costs points

Inspectors score two very different kinds of sin. Critical violations are the ones tied to actually making you sick: food held in the temperature danger zone (41-135°F, where bacteria multiply), raw chicken stored dripping over the salad greens, no hot water at the hand sink, evidence of mice or roaches. General violations are the paperwork-and-maintenance layer: a missing certificate, a cracked floor tile, a mop stored wrong.

A B built from general violations is a shrug. A B built from temperature control and vermin is a different document entirely — which is why the letter is a headline and the inspection report is the article. Every grading city publishes full reports online (NYC's is searchable by restaurant name; LA County's likewise). Thirty seconds on your phone tells you which B you're looking at.

The grade inflation problem (and the appeals game)

Here's the uncomfortable footnote: when roughly 90% of restaurants display an A, the letter stops discriminating at the top. Part of that is genuine compliance — posting works, and the data shows it. Part is process: in NYC, a restaurant that flunks its first inspection gets a re-inspection that determines the posted grade, and can contest violations at a tribunal while displaying "Grade Pending." Scores also cluster suspiciously just under grade cutoffs, which researchers have noted with a raised eyebrow.

Translation for you: an A is table stakes, not a gold medal. A B is a signal — this kitchen scored in the bottom tier of a system built for passing. A C means the inspector found 28+ points of problems and the restaurant posted it anyway, which combines poor hygiene with remarkable candor. And a "Grade Pending" card that seems tenured? That's a restaurant litigating its grade rather than displaying it. Draw the inference.

What the letter can't tell you

Two honest limits. First, the grade measures food safety, not food quality — an A means the walk-in is cold, not that the chef has taste. Some of the best food in any city comes from tiny kitchens that will never charm a clipboard, and plenty of A-rated rooms with immaculate fee disclosure energy serve beautiful, safe, boring plates.

Second, it's a snapshot. Inspections happen roughly one to three times a year; the grade in the window might be eleven months old. The date is printed on the certificate — reading it is the single most underused move in restaurant forensics.

Your 60-second inspection routine

• Read the letter and the date. A recent A: proceed. An old anything: check online.
• Pull the report for a B, C or Pending before you commit — critical violations and vermin findings are listed in plain English.
• Do your own walk-through: restrooms clean (same crew cleans the kitchen), staff handling money and food with a system, cold food actually cold, busy tables turning over. High rotation is nature's food safety — product that sells fast never sits.
• No letter posted in a grading city? That's required by law. A missing grade is itself a data point, and not a flattering one.
• In a no-grade city, your health department publishes inspections online. Same report, no poster.

The letter is a floor, not a review

Use the grade for what it is: a legally mandated minimum-competence check, written by the only critic who gets to look inside the walk-in. Let it veto — a C, a vermin report, an eternally pending grade — and then let everything else decide: the food, the prices, the way the whole operation treats you from menu to check.

An A won't make lunch delicious. But nobody ever ruined a meal by spending thirty seconds reading the one review the restaurant couldn't write about itself.