Top 5 Ways to Qualify for the Section 179 Deduction
The Section 179 deduction allows you to deduct the entire cost of eligible business equipment in the year you start using it, rather than spreading it out into the future. Thanks to the One Big Beautiful Bill Act, the limits were doubled in 2025, and for 2026, they’re even more impressive...
You can claim a maximum deduction of $2,560,000, with a phase-out threshold of $4,090,000, according to IRS Revenue Procedure 2025-32. That’s some serious cash on the table! But keep in mind, just because it’s called "qualifying" doesn’t mean it’s a given.
If you overlook any of the five requirements listed below, the IRS could deny your deduction or, even worse, take it back later. Here’s what you need to make sure is in order.
Want to see what Section 179 and bonus depreciation together could save you on your next purchase?
Run the numbers in our Bonus Depreciation Calculator (no email required)
1. The Property Has to Be "Qualifying" Property
Not everything you buy for your business qualifies. Section 179 covers:
Tangible personal property: machinery, equipment, furniture, computers, and off-the-shelf software
Certain business vehicles (with specific caps, see # 4)
Qualified improvement property: interior improvements to nonresidential buildings, like HVAC, roofing, fire protection, alarm systems, and security systems
What doesn't qualify: land, buildings themselves (structural components generally depreciate under MACRS, not Section 179), and property used for lodging, unless it meets narrow exceptions.
Requirement: The asset must be tangible personal property or qualifying improvement property used in an active trade or business.
2. You Have to Place It in Service, Not Just Buy It
This trips up more people than anything else on this list. Section 179 is tied to the tax year the asset is placed in service, not the year you paid for it.
If you order a piece of equipment in December but it doesn't arrive and get installed until January, you're claiming that deduction next year, not this one.
Requirement: The asset must be purchased, delivered, and actually put to use in your business by December 31 of the tax year you're claiming.
Best Practice: If you're trying to hit an end of the year deduction, build in buffer time for shipping and installation. Don't wait until Christmas to place the order.
3. You Need More Than 50% Business Use
Section 179 only applies to the business use portion of an asset. If you buy a truck and use it 70% for work and 30% for personal errands, you can only take the deduction on that 70%.
Drop below 50% business use, and you lose eligibility for Section 179 entirely on that asset, and if you'd already claimed it in a prior year and usage falls below 50% later, the IRS can trigger recapture.
Requirement: Business use must exceed 50% in the year you claim the deduction, and you need documentation (mileage logs, usage records) to back it up.
4. Vehicles Have Their Own Rules
This is where a lot of real estate investors and small business owners get excited, and then get surprised.
Heavy SUVs (6,000 to 14,000 lbs. gross vehicle weight rating) are capped at $32,000 for 2026, even though the general Section 179 limit is over $2.5 million.
Trucks and vans with no passenger seating behind the driver, or with a fully enclosed cargo area, can often qualify for the full deduction if they meet weight and design requirements.
Passenger vehicles under 6,000 lbs. are subject to much lower "luxury auto" limits under a separate set of IRS rules.
Requirement: Know your vehicle's GVWR and body configuration before you assume it qualifies for the full write-off. This is one of the fastest ways to get a deduction wrong.
5. Your Business Needs Taxable Income
Section 179 can't create a loss. The deduction is limited to your net taxable income from the active conduct of your trade or business for the year. If your business shows a loss before the deduction, any Section 179 amount you can't use gets carried forward to future years, it doesn't disappear, but you can't use it to zero out income you don't have.
This is different from bonus depreciation, which can create or increase a net operating loss.
Requirement: You need positive taxable business income (before the Section 179 deduction) to use it in the current year.
2026 Section 179 Numbers at a Glance
Maximum deduction: $2,560,000
Phase-out threshold: $4,090,000 (deduction reduces dollar-for-dollar above this)
Fully phased out at: $6,650,000 in qualifying purchases
Heavy SUV cap: $32,000
Section 179 vs. Bonus Depreciation
Section 179 and bonus depreciation often work together, and the order matters:
Apply Section 179 first, up to your taxable income limit
Apply bonus depreciation to what's left
With 100% bonus depreciation now permanent for qualifying property, many businesses can combine the two to fully expense a purchase in year one, even when total spending pushes past the Section 179 phasing out threshold.
Final Thoughts on Qualifying for Section 179
The recent rule changes make Section 179 more valuable than it's been in years, but the qualification requirements haven't gotten any looser. Property type, usage timing, use percentage, vehicle classification, and taxable income limits all have to line up before you claim the deduction.
Before you make a major equipment purchase, run the numbers with a tax professional who can confirm how Section 179 and bonus depreciation interact for your specific situation.
Remember: Always work with a qualified tax professional before implementing any tax strategy. What works for one taxpayer may not work for another.
Comments