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Understand which type of mobile food facility (MFF) you have

Mobile food facilities are placed into one of 5 classifications.

There are 5 different types, or "classifications" of mobile food facilities.

Mobile food facility 1 (MFF1) 

  • Sells prepackaged and nonpotentially hazardous foods
  • Example: prepackaged candies, chips, pastries.

Mobile food facility 2 (MFF2) 

  • Sells prepackaged and potentially hazardous foods
  • Example: prepackaged sandwiches, pasta, or cold noodles

Mobile food facility 3 (MFF3)

  • Sells non-prepackaged and not potentially hazardous foods
  • Example: non-prepackaged churros, salted bagels, cotton candy, or ice shavings

Mobile food facility 4 (MFF4)

  • Sells non-prepackaged, potentially hazardous foods, with limited food preparation
  • Example: hot dogs, tamales, or coffee

Mobile food facility 5 (MFF5)

  • Sells non-prepackaged, potentially hazardous foods, with full food prepping and cooking
  • Example: tacos, burritos, falafel, crepes, and curry

Permit-Exemption

A food display area of 25 square feet or less offering only prepackaged nonpotentially hazardous food and whole uncooked produce is exempt from permitting by the San Francisco Department of Public Health. This display must be nonmotorized.

  • A cart that sells prepackaged nonpotentially hazardous foods, whole fruits and vegetables.
  • Example: prepackaged cookies, chips, candies, canned sodas, whole mangos, whole cabbages, bottled water.

​​​​​​​Related construction guidelines

View a chart (PDF) of the classifications and requirements.

MFF Classification and Requirements

Searchable list

View a full description of guidelines that include plumbing, sink, and material requirements.