15 Tax Deductions Most Contractors Miss Every Year

Tax deductions aren't a loophole — they're the IRS's recognition that it costs money to earn money. When you spend $800 on lumber for a job, that's not profit. But if you don't document it properly, you might pay tax on it like it is.

Here are 15 deductions contractors commonly miss, along with tips for capturing each one.

The Big Ones

1. Mileage (The #1 Most Missed Deduction)

The IRS lets you deduct $0.67 per business mile driven in 2024. A contractor driving 15,000 business miles a year has a $10,050 deduction — but only if they tracked the miles. Most don't.

Automatic mileage tracking captures every drive automatically. No logbook required.

2. Small Tool Purchases Under $2,500

Under the IRS safe harbor for small businesses, tools and equipment costing under $2,500 per item can be fully deducted in the year purchased — no depreciation schedule required. Many contractors either forget to log these or don't know the rule.

3. Work Clothing and Uniforms

Clothing required for your job that can't be worn as everyday wear is deductible. This includes safety gear (hard hats, steel-toed boots, safety vests, high-vis jackets), work gloves, and branded uniforms. Regular jeans and t-shirts don't qualify even if you wear them only for work.

4. Phone and Internet (Business Portion)

If you use your phone for business (and every contractor does), you can deduct the business-use percentage. If 70% of your phone use is business, 70% of your monthly bill is deductible. Track this consistently.

5. Home Office Deduction

If you run your business from home and have a dedicated space used regularly and exclusively for business — even a desk where you do estimates and billing — you may qualify for the home office deduction. Many contractors are afraid to take this; it's legitimate when done correctly.

Materials and Equipment

6. Materials That Weren't Billed to Clients

Materials you bought for a job but didn't invoice — either because you estimated them in your bid or simply forgot — are still deductible. These often disappear entirely because they weren't captured in a client invoice.

7. Equipment Maintenance and Repairs

Oil changes on work vehicles, blade replacements, saw maintenance, generator repairs — all deductible. These often get paid with cash or personal card and never make it into the books.

8. Storage Units and Shop Space

If you rent storage for equipment or a shop space for fabrication, those costs are fully deductible. Don't forget annual costs like storage facility fees, locks, or climate control additions.

Professional and Business Expenses

9. Professional Licenses and Continuing Education

Your contractor's license renewal fee, trade association dues, safety certifications, and any continuing education required to maintain your license are all deductible. So are books, courses, and seminars related to your trade.

10. Business Insurance

General liability insurance, workers' comp, tools and equipment insurance, commercial vehicle insurance — all fully deductible business expenses. If you pay annually, make sure it's recorded in the right tax year.

11. Software and App Subscriptions

Bookkeeping software, estimating apps, project management tools, field service software — any software used for business is deductible. This includes Hardhat Ledger if you're using it for your contractor bookkeeping.

12. Subcontractor Payments (with 1099s)

Payments to subcontractors are fully deductible — but you must issue Form 1099-NEC to any sub you paid $600 or more during the year. Keep records of sub payments organized by job. Missing 1099s can trigger IRS inquiries.

Often Overlooked

13. Meals with Clients or Business Partners

Business meals (50% deductible) — meaning meals where you discussed business with a client, prospect, or business partner. Keep a note of who you met with and what was discussed. The deduction requires more documentation than most, but it's real.

14. Bank Fees and Credit Card Processing Fees

Monthly bank fees, wire transfer fees, and credit card processing fees on client payments are all deductible business expenses. Small individually, but they add up.

15. Retirement Contributions (Self-Employed)

As a self-employed contractor, you can contribute to a SEP-IRA (up to 25% of net self-employment income) or Solo 401(k). These contributions are tax-deductible, reducing your taxable income significantly. This is one of the highest-leverage tax moves available to contractors.

How to Actually Capture These Deductions

Knowing the deductions exist is step one. Capturing them requires a system that works in real life — not one that requires perfect discipline and manual data entry.

The best approach: use contractor bookkeeping software that captures expenses automatically. When you snap a receipt photo, it's in your records. When your mileage is logged automatically, every mile is counted. When your expenses are categorized correctly throughout the year, tax prep is a 2-hour task instead of a 2-day ordeal.

* This article is for informational purposes only and does not constitute tax advice. Consult a qualified tax professional for advice specific to your situation.