Taxes · Contractor Money
10 Tax Deductions Every Contractor Should Know in 2026
Most contractors overpay because the records are thin, not because the rules are unfair. Here are the tax deductions for contractors that matter most in 2026, with a live IRS source behind every number.
- Vehicle and mileage: the log is the deduction.
- Tools and equipment: Section 179 writes off the full price in year one.
- Home office: $5 per square foot, up to 300 square feet.
- Insurance premiums: business policies and health coverage both count.
- Materials and supplies: every receipt, down to the box of screws.
- Subcontractor payments: deductible, with the paperwork done right.
- Licensing and education: fees, renewals, certifications, courses.
- Phone, internet, and software: deduct the business share.
- Retirement contributions: up to $72,000 for 2026.
- Business meals: generally 50 percent, documented.
Why contractors overpay the IRS
Tax deductions for contractors are a records habit, not a loophole hunt. Self-employment tax runs 15.3 percent before income tax even starts, so every lost receipt is money gone. The contractor with a shoebox in April pays more than the one who tracked all year.
This is general information, not tax advice, so confirm your situation with your tax pro. Deductions protect money at tax time the way markup protects it on the job, so pair this list with our guide on 10 ways to protect your profit margin.
The 10 tax deductions for contractors in 2026
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Vehicle and mileage expenses
Truck costs top the list of tax deductions for contractors. The standard mileage rate pays 72.5 cents per business mile for 2026 and resets each year. The actual expense method deducts gas, insurance, repairs, and depreciation instead.
The log is the deduction either way. The IRS recordkeeping rules expect the date, destination, purpose, and miles for every trip. No log, no write-off.
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Tools and equipment (Section 179)
Every saw, drill, compressor, and generator you buy for work is deductible. Section 179 writes off the full purchase price the year the gear goes to work, up to a dollar cap that changes annually. Check the current limit on the IRS depreciation page. Keep the small receipts too; blades and bits add up by December.
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Home office deduction
Run the paperwork side of the business from home? You likely qualify if the space is used regularly and only for business. The simplified method pays $5 per square foot, up to 300 square feet, so up to $1,500 a year. The regular method deducts the business share of rent or mortgage interest, utilities, and insurance.
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Insurance premiums, business and health
Business policies count: general liability, workers comp, commercial auto, and bond premiums. Health coverage counts too. Pay your own premiums? The self-employed health insurance deduction covers you, your spouse, and your dependents, with no itemizing.
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Materials and job supplies
Lumber, drywall, fasteners, safety gear, drop cloths: every material you buy for a job is deductible. A forgotten $40 hardware run twice a week is more than $4,000 gone by year end. Materials are the most under-tracked deduction, and the fix is a five second photo of every receipt.
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Subcontractor payments
Every dollar you pay a sub is deductible. Get a W-9 before day one and keep a running total for each sub. Past the IRS reporting threshold (check the current figure), you must file Form 1099-NEC. A sub who works your hours, with your tools, only for you, may look like an employee to an auditor.
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Licensing, certifications, and education
License fees, renewals, continuing education, trade certifications, and trade shows are all deductible. So are trade publications and business courses. Setting up a new company? Our guide on how to start a construction business covers the licensing side.
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Phone, internet, and software
The business share of your phone and internet bill is deductible. Use the phone 70 percent for work and 70 percent of the bill counts. Software rides along: accounting apps, cloud storage, and the tools in our roundup of the best construction estimating apps.
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Retirement contributions
Retirement money moves the needle most. A SEP plan takes up to 25 percent of pay, capped at $72,000 for 2026. A solo 401(k) lets you defer up to $24,500 for 2026, plus an employer share, with the combined total capped at $72,000, per the current IRS limits. Every dollar comes off your taxable income now.
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Business meals
Business meals are generally 50 percent deductible under the IRS travel and meal rules. That covers meals with clients or subs where you talk work, plus overnight business travel. Lunch alone at a local job usually does not count. Note the date, who was there, and what you discussed.
Capture every deduction with the SimplyWise Receipt Scanner
The two biggest tax deductions for contractors, vehicle miles and everyday receipts, are the easiest to lose. The SimplyWise Receipt Scanner pulls the vendor, date, amount, and category from a photo, so the hardware run is saved before you leave the lot. Mileage logging rides along, and the SimplyWise Cost Estimator turns a job photo into an estimate in the same app. It is free to try.
Sources
- IRS, IR-2025-128: 2026 business standard mileage rate, 72.5 cents per mile.
- IRS, Topic No. 510, Business use of car (method rules).
- IRS, Publication 463, Travel, Gift, and Car Expenses (required mileage log entries).
- IRS, Simplified option for home office deduction ($5 per square foot, 300 square foot cap).
- IRS, Topic No. 704, Depreciation (Section 179).
- IRS, Instructions for Form 7206, Self-Employed Health Insurance Deduction.
- IRS, Am I required to file a Form 1099 or other information return?.
- IRS, COLA increases for dollar limitations on benefits and contributions ($24,500 and $72,000 for 2026).
- IRS, Simplified Employee Pension plan (SEP) (up to 25 percent of pay).
- IRS, Topic No. 511, Business travel expenses (meals generally limited to 50 percent).
- IRS, Qualified business income deduction (up to 20 percent).
- IRS, Self-employment tax (15.3 percent).
- IRS, Estimated taxes (four payment periods).
The IRS does not reward the contractor who worked the hardest. It rewards the one who kept the records.
SimplyWise Editorial
Frequently asked questions about tax deductions for contractors
Is the standard mileage rate or actual expenses better for contractors?
It depends on the vehicle. An older, paid off truck usually favors the standard mileage rate, which the IRS updates each year. A newer truck with big payments and heavy depreciation may favor actual expenses. Run both numbers with your tax pro, because the method you pick in the first year can limit your options later.
How much should a contractor set aside for taxes?
Self-employment tax is 15.3 percent, and income tax stacks on top. A common rule of thumb is to set aside 25 to 30 percent of net income as payments come in. The IRS splits the year into four estimated payment periods, so set money aside with every check.
Do contractors get the qualified business income deduction?
Most do. The QBI deduction lets eligible self-employed owners deduct up to 20 percent of qualified business income on top of regular write-offs. Income limits apply, so check the current thresholds on the IRS QBI page or ask your tax pro.
What is the best way to track tax deductions for contractors?
Capture everything the moment it happens. Snap a photo of every receipt on the spot, let a mileage log run in the background, and reconcile monthly. The SimplyWise Receipt Scanner pulls the vendor, date, amount, and category from a photo, so five seconds per receipt covers you all year.
Stop paying tax on money you already spent.
Scan every receipt in seconds, keep a clean mileage log, and claim the tax deductions for contractors you already earned. SimplyWise is free to try.