February 2026 · Taxes, Small Business
Construction Tax Deductions You Should Not Miss
Twelve under-claimed categories, ranked by what they are usually worth
Construction business owners tend to under-claim at tax time, and it is rarely carelessness. The spending is spread across job sites, trucks, supply runs, and crews rather than sitting in one tidy account, so deductions get missed because nobody went looking for them.
With 2025 returns being prepared now, here are the twelve categories worth checking before you file, ranked by what they are usually worth.
1. Equipment and tools
This category covers anything from a framing nailer to an excavator. Small tools are deducted in the year you buy them, and under the rules that took effect in 2025, most larger equipment can also be written off in full in the year it starts working.[1]
The deduction belongs to the year the equipment was placed in service, not the year you ordered or paid for it.[1] A machine bought in December but first used in January goes on next year's return, and the year-end checklist covers using that timing on purpose.
Keep for each purchase
- The invoice, since a card statement shows the amount but not the equipment
- The date it was placed in service
- The loan documents, if financed
- A note of any personal use
2. Vehicle expenses
Trucks and vans are among the largest deductions in the trade and the most under-documented. You can deduct either the standard rate, 70 cents a mile for 2025,[2] or your actual costs of fuel, repairs, insurance, and depreciation, and both methods require records.[3]
Trips between job sites and supply runs count, while the commute from home generally does not.[3] Logging as you go beats reconstructing a year from memory in April, and today is the cheapest day to start.
3. Contractor and subcontractor wages
Payments to subs are deductible, and the paperwork is where the trouble hides. Paying an unincorporated sub $600 or more in 2025 means a 1099-NEC was due by the January deadline, and issuing one requires a signed W-9 on file.[4]
Collect the W-9 before the first check goes out, not in January, when the sub has stopped answering the phone.
4. Safety gear and work clothing
Hard hats, boots, gloves, high-visibility vests, respirators, fall protection, and branded work clothing are all deductible. The test for clothing is that it is required for the work and unsuitable for everyday wear: steel-toe boots pass, weekend jeans do not.
5. Business insurance
General liability, workers compensation, commercial auto, tools coverage, and builder's risk premiums are all deductible.[5] Premiums count toward the year the coverage applies to, which matters when a policy paid up front spans two tax years.
6. Interest on equipment loans and credit cards
The interest on equipment loans and the business share of credit card interest are deductible, and both are easy to miss because the statements only total them once a year.[5] Personal card interest never qualifies, which is one more reason the business runs on its own card.
7. Yard, storage, and equipment lot rent
Rent for any space the business uses is deductible: the equipment yard, the storage units holding materials between jobs, the shop where the trucks park.[5] Owners tend to catch office rent and miss the gravel lot.
8. Estimating, takeoff, and project management software
The subscriptions that run the business count, from estimating and takeoff tools to scheduling and project management platforms. They are small monthly charges that add up to a real number across a year, and they auto-renew and are easy to forget at tax time.
9. Permits, licensing, and bonding
Building permits, contractor license renewals, and the premiums on license and performance bonds are the costs of being allowed to do the work, and all of them are deductible.[5] In Arizona that includes the Registrar of Contractors renewal.
10. The business-use portion of your cell phone
The phone that handles bids, scheduling, and photos of finished work is a business tool, and the business share of the bill is deductible.[5] Estimate the split honestly and write the percentage down once; a documented estimate beats claiming nothing.
11. Job site cleanup and dump fees
Dumpster rentals, landfill fees, and haul-off charges are deductible, and they are the most cash-paid expenses in the trade, which is exactly how they disappear. Ask for the receipt at the scale, and photograph it before it fades or gets lost.
12. Trade association dues and continuing education
Dues to trade associations and the cost of continuing education, safety certifications included, are deductible when they maintain or improve the skills the business runs on.[5] Association dues qualify, but dues to clubs organized for recreation, the golf membership among them, do not.[5]
The bottom line
If your records live across receipts, job folders, and the glovebox, that is normal for the trade and it is fixable. Reconstructing the year and categorizing it correctly is what catch-up bookkeeping is for, and it is usually worth several times what it costs.
This is general information rather than advice for your specific situation, and the limits change year to year, so check the current figures before you file.