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IRS Announces Mid-Year Vehicle Mileage Rate Increase for H2 2026

If you are running a business in Rancho Cucamonga, Upland, or Ontario, you already know the pain of filling up at the pump. California fuel prices can put a serious dent in your margins, whether you are a real estate agent driving clients between properties, a medical professional managing a mobile clinic, or an owner-operator in our local logistics hubs. Fortunately, the IRS has recognized these soaring costs by announcing a rare mid-year increase to the optional standard mileage rate for the second half of 2026.

This shift offers a valuable opportunity to boost your tax deductions without keeping a mountain of individual gas receipts. Starting July 1, 2026, the rates you use to write off business, medical, and moving mileage are ticking upward. Let us break down exactly what these changes mean for your bottom line and how to maximize this deduction.

Breaking Down the Mid-Year 2026 Mileage Rates

The IRS adjusts the standard mileage rate annually based on an independent study of vehicle operating costs. However, when fuel prices spike dramatically, they occasionally step in with a mid-year adjustment. Here is how the numbers stack up for the last six months of 2026, effective July 1 through December 31:

  • Business Use: The rate jumps to 76.0 cents per mile, up from 72.5 cents in the first half of the year.
  • Medical and Moving: For deductible medical expenses, and moving expenses strictly for active-duty military, the rate increases to 23.5 cents per mile, a 3-cent bump from the start of the year.
  • Charitable Use: The rate for driving on behalf of a charity remains unchanged at 14 cents per mile, as this specific number is set by statute.

If you manage a fleet in Ontario's busy trucking sector or drive extensively for a medical practice, that extra 3.5 cents per business mile can add up to thousands of dollars in additional deductions by year-end.

Small business owner reviewing finances

What Exactly Does the Standard Rate Cover?

When you opt for the standard mileage deduction, you are taking a simplified approach. Instead of tracking every single oil change and tire rotation, you multiply your business miles by the IRS rate. But it helps to understand what is actually baked into that 76-cent figure.

The standard rate factors in your everyday gas and oil, routine maintenance, repairs, vehicle registration fees, auto insurance, and straight-line depreciation.

Southern California Small Business Owners: Let’s Optimize Your Tax Strategy
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Additional Deductions You Can Still Claim

Even if you use the standard mileage rate, you do not have to leave money on the table when it comes to specific travel costs. You can still deduct business-related parking fees and tolls on top of the mileage rate. Also, the state and local property taxes associated with the business use of your vehicle remain deductible. Keep in mind that sales tax paid during the vehicle's purchase is capitalized into the vehicle's basis, so it cannot be deducted separately.

Standard Mileage vs. Actual Expenses for California Businesses

With the Inland Empire's high cost of living and unpredictable fuel prices, many real estate brokers and logistics providers wonder if they should track actual vehicle expenses instead of using the IRS standard rate.

Tracking actual expenses by keeping receipts for every drop of gas, insurance premium, and repair might yield a higher deduction when fuel prices are breaking records. However, it requires rigorous bookkeeping. You also need to navigate specific IRS limitations. For example, you cannot use the standard mileage rate if you have previously claimed depreciation using the Modified Accelerated Cost Recovery System (MACRS) or taken a Section 179 deduction for that specific vehicle. Furthermore, the standard rate is off-limits for vehicles used for hire or for fleets where more than four vehicles are used simultaneously.

The good news is the IRS allows some flexibility. You can switch from the optional mileage rate in one tax year to the actual expense method using straight-line depreciation the following year. Working with a tax advisor ensures you pick the method that keeps the most cash in your pocket.

Maximizing Your Vehicle Deductions This Year

Navigating mid-year tax changes can be tricky, but making the adjustment now ensures you do not miss out on valuable deductions. Whether you are scaling a real estate portfolio in Upland, expanding a medical clinic in Rancho Cucamonga, or managing transport routes out of Ontario, keeping precise mileage logs for the second half of 2026 is absolutely essential.

If you need help calculating the financial impact of these new rates, deciding between the standard or actual expense methods, or optimizing your broader tax strategy, reach out to our office. Schedule a consultation today, and let us make sure your small business is positioned for maximum tax savings.

Southern California Small Business Owners: Let’s Optimize Your Tax Strategy
Are you a small business owner in Inland Empire, Los Angeles, or Orange County? Let’s discuss tailored tax strategies designed specifically for small businesses in Southern California. Book your free consultation with a licensed CPA today.
Book Your Appointment
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