Electricians and plumbers who work for themselves or run their own businesses can claim a wide range of deductions. The challenge isn’t that the deductions are complicated. It’s that tradespeople are busy running jobs and small expenses slip through the cracks all year long.

Vehicle expenses are usually the biggest deduction for skilled trades professionals. You can either track actual costs (gas, maintenance, insurance, depreciation) or use the standard mileage rate. Either way, you need a log. Drives between job sites count. Drives from your home to a permanent shop or office don’t, as that’s considered commuting. If you work out of your home and go directly to job sites each day, those trips are generally deductible.

Tools and equipment add up fast. Hand tools like wire strippers, multimeters, pipe cutters, and soldering kits are fully deductible in the year you buy them. Larger purchases like pipe threading machines, conduit benders, or camera inspection systems can be deducted immediately under Section 179 or depreciated over time. Don’t forget replacement parts and repairs on tools you already own.

Licensing and continuing education are deductible as long as they maintain or improve skills in your current trade. State licensing fees, renewal costs, code update classes, and required continuing education hours all qualify. Subscriptions to trade publications and code books count too.

Insurance premiums for general liability, professional liability, and workers comp are deductible business expenses. If you’re self-employed and not eligible for a spouse’s plan, your health insurance premiums may be deductible on your personal return as well. This one gets overlooked often.

Work clothing and safety gear qualify when they’re not suitable for everyday wear. Steel-toed boots, hard hats, safety glasses, flame-resistant clothing, and branded uniforms are all deductible. Regular clothes you happen to wear on job sites are not.

Other commonly missed deductions include your cell phone (business use percentage), advertising costs, professional association dues, bonding fees, permit fees you pay out of pocket, and a home office if you use a dedicated space for admin work. Even the cost of accounting software or hiring a bookkeeper to keep your records straight is deductible.

Materials and supplies that aren’t billed to a specific customer belong on your return too. Think of those miscellaneous fittings, connectors, tape, and other consumables you keep stocked in your van.

The deductions are there. The problem is capturing them. A shoebox of receipts in February doesn’t cut it. Use a dedicated business bank account and credit card, photograph receipts when you make purchases, and make sure your books are updated regularly. That’s how you avoid leaving money on the table when your CFO services for small businesses or tax preparer sits down to file your return.

One final note. Deductions reduce your taxable income, but they don’t eliminate your tax bill entirely. Taking $5,000 in deductions doesn’t save you $5,000 in taxes. It saves you $5,000 multiplied by your effective tax rate. Still worth tracking every legitimate expense, but worth understanding the math so you can plan accordingly.