Dog Walker Mileage Deduction: What Miles You Can Claim

Driving is the largest cost in this business and the most commonly under-claimed deduction in it. Six miles to a walk feels like nothing. Six miles, eighty times a month, at 76 cents a mile, is $365 a month you are entitled to deduct and probably are not.

Two things make 2026 worth paying attention to specifically.

2026 Has Two Rates

The IRS revised the business standard mileage rate mid-year:

Source: IRS standard mileage rates. Mid-year revisions are unusual — the last comparable ones were 2022 and 2011 — and they create a practical problem: you cannot total your year’s miles and multiply by one number. First-half miles and second-half miles have to be separated.

This is also where a lot of spreadsheets and apps quietly go wrong. If your mileage sheet has last year’s rate typed into it, or one rate covering all of 2026, it is understating your deduction. Check the cell today. A log with a rate that comes from the trip’s date, rather than a single hardcoded constant, is the version that survives a mid-year change.

Which Trips Count

Deductible, in the ordinary case:

• Client to client during a working day
• Trips to a supply store for leads, bags, treats, crates
• Driving a client’s pet to the vet or groomer as part of the service
• Meet-and-greets with prospective clients
• Trips to the bank, the accountant, or a business errand
• Driving to a pet-care class or business training

Not deductible:

• Personal trips, obviously, and the personal leg of a mixed trip
• Home to a regular place of work, and back — this is commuting
• Detours purely for personal errands, even mid-route

The commuting rule is the expensive one

Travel between your home and a regular place of work is commuting, and commuting is not deductible (IRS Topic no. 510). The exception that matters for sitters: when your home is your principal place of business, trips from that home base to work locations in the same trade or business are generally deductible.

A lot of solo walkers genuinely do run everything from home — scheduling, invoicing, client records, supplies. Whether that meets the standard is fact-specific and depends on how the business is actually run, so it is worth a direct question to a preparer rather than an assumption in either direction. It changes the first and last trip of every working day, which over a year is a large number.

One thing is true regardless of how that question falls: the trips between clients during the day are deductible either way. Which means your route order can change your deduction, and clustering clients helps you twice — once on time, once on tax.

Standard Mileage or Actual Expenses

Two methods, and you pick one.

Standard mileage — miles × the rate. The rate already covers fuel, maintenance, repairs, tyres, insurance and depreciation, so you cannot claim those separately on top. Parking and tolls attributable to business use are deductible in addition.

Actual expenses — total your real vehicle costs for the year and deduct the business-use percentage, which means keeping every receipt as well as the mileage log, because you still need miles to work out the percentage.

Two rules worth knowing before you choose. For a car you own, if you want the option to switch between methods in later years, you generally have to choose the standard mileage rate in the first year the car is used in your business. And for a leased car, choosing standard mileage means using it for the entire lease period.

For most walkers and sitters in an older, cheap-to-run car, standard mileage wins on both money and effort. A newer, expensive, heavily-depreciating vehicle used mostly for business is where actual expenses can pull ahead. It is worth running both once, in year one, because that is the year the choice is easiest to make.

A Worked Year

A full-time sitter, 5,800 business miles, split across the rate change:

What that is worth depends on your bracket, but there is a floor. Self-employment tax runs at 15.3% on 92.35% of net earnings — about 14.1 cents on every dollar of profit — so a $4,324 deduction saves roughly $611 in self-employment tax before any income tax at all. Add a 12% marginal income tax rate as an illustration and the total is around $1,130. Your figures will differ; the point is the order of magnitude.

And the cost of getting the rate wrong: totalling all 5,800 miles at last year’s 70-cent rate gives $4,060 — $264 of deduction left behind by one stale cell.

The Log That Holds Up

Four fields per trip: date, miles, where, why. That is the whole requirement.

What makes a log credible is that it was written at the time. A year reconstructed in April from a calendar and a guess is weaker on every dimension — and in practice it is also just less accurate, because supply runs, vet trips and meet-and-greets are exactly the trips nobody remembers.

Three habits that make it stick:

• Log it in the car, before you pull away. Odometer or trip distance, client name, three words of purpose. Ten seconds.
• Record the purpose, not just the destination. “Morgan Lee walk” is a purpose. “Oak Street” is not.
• Total it monthly, not annually. It keeps your profit figures honest all year instead of once, and a monthly habit is the only thing that reliably catches a rate change.

Mileage is also the deduction that most changes what your business looks like on paper. A month that nets $2,329 before the deduction and $2,016 after is the same month — but only one of those numbers is the one you reserve tax against, and driving cost is also what quietly sets your real hourly rate on a walk.

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Dog Walking & Pet Sitting Business Tracker — $14.99

The Mileage Log takes date, purpose and miles and returns the deduction at the rate you set in Settings — so when the rate changes mid-year, you update one cell rather than two hundred rows. Expenses are categorised for tax, the Dashboard returns your mileage deduction and total business miles alongside net profit and tax to set aside, and the Tax Set-Aside tab keeps a running reserve month by month. Nine tabs, sample data pre-filled, works in Excel and Google Sheets.

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Part of the complete guide to tracking a dog walking and pet sitting business. This is general information, not tax advice — deduction eligibility depends on your circumstances, so confirm yours with a qualified tax professional.

Sources: IRS Standard mileage rates · IRS Topic no. 510, Business use of car · IRS Self-employment tax