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Car registration fees in Mississippi

Varies

Are Car Registration Fees Tax Deductible in Mississippi?

Short answer: Partly: Mississippi's motor vehicle ad valorem tax is based on your vehicle's value, so it's deductible as personal property tax if you itemize. Assessed value is 30% of depreciated MSRP times the local millage; a state Legislative Tag Credit reduces the bill.

Listed as ad valorem tax on your county tax collector tag renewal receipt, after the legislative tag credit. Flat registration, plate, and title fees aren't deductible, and the tax counts toward the $40,400 SALT cap.

Records to keep: Keep receipts, statements, and a note of what each cost was for. Compare itemizing to the 2026 standard deduction ($16,100 single / $32,200 joint) before you claim.