2025 Mileage Reimbursement Rate California. On january 1, 2025, the standard mileage rates — which are used to calculate the deductible costs of operating an automobile for business, charitable, medical or moving purposes — for use of a car, van, pickup or panel truck will be: The irs suggests a standard rate, yet states like california, massachusetts, and illinois set their own rules and mandate reimbursements.

The california state university mileage rate for calendar year 2025 will be 67 cents per mile, which is an increase from the 2023 rate of 65.5 cents per mile. California business mileage rate 2025.