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California requires grease traps to be cleaned at minimum Every 90 days minimum. However, high-volume restaurants in San Francisco may need more frequent service. The industry standard 25% rule applies: schedule a cleaning before fats, oils, and grease (FOG) reach 25% of your trap's capacity. Regular maintenance prevents costly backups, foul odors, and health code violations.

In California, grease trap maintenance is regulated by Regional Water Quality Control Board. Commercial kitchens must clean traps at least Every 90 days minimum. A licensed hauler must transport the waste and provide a signed manifest. Businesses must retain cleaning records for at least 3 years. Non-compliance can result in fines up to $25,000 per violation per day, plus potential business closure.

Grease trap cleaning in San Francisco typically costs $125 to $475 for small to medium traps (under 500 gallons), and $400 to $1,200 for large interceptors (500+ gallons). Pricing depends on trap size, accessibility, condition, and how frequently you schedule service. Most San Francisco companies offer free estimates, so get multiple quotes to compare.