Per Diem and Tax Deductions for Truck Drivers
Tax deductions are one of the most significant financial advantages of being an owner operator, yet many drivers leave thousands of dollars on the table because they do not track expenses properly or understand what qualifies. The per diem deduction alone can save an over-the-road driver $12,000 to $18,000 in taxable income annually. Combined with business expense deductions for fuel, maintenance, insurance, and equipment, your effective tax rate can be reduced dramatically. This guide covers every major deduction available to truck drivers and the record-keeping practices that protect you in an audit.
Understanding Per Diem for Truckers
The per diem deduction allows over-the-road drivers to deduct a fixed daily amount for meals and incidental expenses when traveling away from their tax home. The current rate for transportation workers is $69 per day within the continental United States. You can deduct 80 percent of this amount, or $55.20 per day. For a driver on the road 300 days per year, this equals $16,560 in deductions.
To qualify, you must be away from your tax home overnight for business purposes. Your tax home is your regular place of business, typically the city where you are dispatched or where your trucking business is based. Day trips that do not require overnight stays do not qualify for per diem.
Business Expense Deductions
Every ordinary and necessary business expense is deductible. Fuel, maintenance, tires, insurance, truck payments, ELD fees, phone service used for dispatch, load board subscriptions, accounting fees, and trucking association dues all reduce your taxable income. Even truck washes, lumper fees, and parking fees are deductible business expenses.
If you use your truck for any personal purposes, you must allocate expenses between business and personal use based on mileage percentage. Most full-time owner operators have 95 to 100 percent business use, making the allocation straightforward. Keep a mileage log that distinguishes business miles from personal miles.
- Fuel and DEF fluid
- Maintenance, repairs, and tires
- Insurance premiums (all types)
- Truck payments or lease payments (interest portion for purchased trucks)
- ELD device and subscription fees
- Load board subscriptions
- Cell phone and communication expenses
- Accounting and legal fees
Self-Employment Tax Planning
Owner operators pay self-employment tax of 15.3 percent on net earnings in addition to income tax. This covers Social Security and Medicare contributions. You can deduct half of the self-employment tax as an income tax adjustment, and you should make quarterly estimated tax payments to avoid penalties.
Structuring your business as an S-corporation can reduce self-employment tax by splitting income between a reasonable salary and distributions. The salary portion is subject to payroll tax, but distributions are not. This strategy makes sense when net income consistently exceeds $60,000 to $80,000 per year.
Record Keeping That Survives an Audit
The IRS requires documentation for every deduction. Keep receipts for all expenses over $75 and maintain a mileage log. Digital receipt scanning apps make this manageable. Photograph every receipt the day you get it because thermal paper receipts fade within months.
Separate your business and personal finances completely. Use a dedicated business bank account and a business credit card for all trucking expenses. This creates a clean paper trail that makes tax preparation simple and audit defense straightforward.
Working With a Trucking CPA
A CPA who specializes in trucking understands the unique deductions available to owner operators and keeps current on tax law changes affecting the industry. The cost of a specialized CPA, typically $500 to $1,500 per year for tax preparation and quarterly estimates, almost always pays for itself in additional deductions and audit protection.
Key questions to ask a potential CPA: How many trucking clients do you serve? Are you familiar with per diem rules for transportation workers? Can you advise on entity structure? Do you handle quarterly estimated payments? A CPA who answers these confidently is worth the investment.
Frequently Asked Questions
How much can I deduct for per diem as a trucker?
The current per diem rate for transportation workers is $69 per day, and you can deduct 80 percent ($55.20 per day). A driver on the road 300 days per year can deduct $16,560. This reduces your taxable income dollar for dollar.
Can company drivers claim per diem?
Not directly on their tax returns since the Tax Cuts and Jobs Act of 2017 suspended the unreimbursed employee expense deduction through 2025. However, some carriers pay per diem as part of your compensation package, which has the same tax benefit.
What records do I need for per diem?
Keep a log showing each day you were away from your tax home overnight with dates and locations. Your ELD records serve as supporting documentation. A simple spreadsheet or notebook tracking departure and return dates satisfies the IRS requirement.
Should I form an LLC or S-corp for my trucking business?
An LLC provides liability protection but does not change your tax situation. An S-corp can reduce self-employment tax when net income exceeds $60,000 to $80,000 annually. Consult a trucking CPA to determine the right structure for your income level.