MEHKO Glossary
What the technical terms on County MEHKO forms mean, in plain English.
Government forms use technical words. Here is what they mean. We show the official term so you recognize it on County forms.
MEHKO
Microenterprise Home Kitchen Operation. The permit that lets you cook and sell meals from your home kitchen.
DEHQ
Department of Environmental Health and Quality. The San Diego County office that issues MEHKO permits and does inspections.
CRFC
California Retail Food Code. The State law with the food-safety rules for all food businesses, including MEHKOs.
AB 626
The 2018 State law that created MEHKOs.
SOP
Standard Operating Procedures. The 7-page County form where you describe your menu, hours, how you cook, store, clean, and deliver. It is part of your application.
Meal
Food for one customer, one sitting. Can be a main dish, sides, drinks, baked goods, or dessert — or just one of those. One lunch box is one meal.
Food Safety Manager Certificate
The manager-level food-safety certificate. You must pass this exam before you apply. Valid five years.
Food Handler Card
The basic food-safety card. Anyone who helps you handle food needs one. Valid three years.
Primary residence
The home you actually live in. A second home or vacation home does not count.
Gross annual sales
Total money from sales before any expenses. MEHKOs have a yearly limit.
Direct to consumer
Selling to the person who eats the food. Not to a store, restaurant, or wholesaler.
Cottage Food Operation (CFO)
The other home-food permit, for shelf-stable food like bread and jam. Not for fresh meals.
HACCP
Hazard Analysis Critical Control Point. A special food-safety plan for risky methods like curing, canning, fermenting, and sous vide. MEHKOs cannot use methods that need one.
Potentially hazardous food / TCS food
Food that must be kept hot or cold to be safe: meat, seafood, cooked rice, dairy, cut melon. Newer materials say “TCS” (Time/Temperature Control for Safety). Same thing.
Hot holding
Keeping cooked food at 135°F or above until served.
Cold holding
Keeping food at 41°F or below.
Probe thermometer
A metal-stem thermometer you stick into food to check its temperature. Required.
Sanitize
Kill germs on a surface after you clean it. Cleaning removes dirt; sanitizing kills germs. Both are required.
FOG
Fats, oils, and grease. Never pour them down the drain. Cool them and put them in the trash.
IFSI
Internet Food Service Intermediary. A State-registered online ordering platform that MEHKOs may use to take orders. Delivery is still by you.
CDTFA
California Department of Tax and Fee Administration. The State agency for sales tax. You register with them to get a seller’s permit.
Seller’s permit
Your sales-tax registration with CDTFA. Free.
“Made in a Home Kitchen”
The exact words that must appear on every MEHKO ad, along with your permit number.
Private well
Water from your own well instead of the city water system. If you have one, you need a water test with your application.
Health permit
The County’s official approval to operate. Displayed in your home during business hours. Renewed yearly.
SDFoodInfo.org
The County’s public website where anyone can look up a permitted food business and its inspection reports.
Official sources
The rules and inspection information on this page come from San Diego County. My Home Kitchens explains them in plain English; the County is the authority.
Last verified: September 11, 2026
My Home Kitchens provides general educational information, not legal, medical, allergy, or tax advice.