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100% Bonus Depreciation and Section 179 After the New Law | HelloBooks Full bonus depreciation returns for property acquired after January 19, 2025, and the Section 179 limits for 2025 and 2026.

Business returns · Form 4562

Bonus depreciation is back at 100%, and Section 179 doubled

Equipment and other qualifying property acquired after January 19, 2025 can be written off in full again, with no phase-down. Section 179 also has a much higher limit, so the planning question is which to use, not whether.

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Business returns · Form 4562

Bonus depreciation

100%

Section 179 limit / phase-out, 2025
$2.5M / $4M
Section 179 limit / phase-out, 2026
$2.56M / $4.09M
Acquired after
January 19, 2025

Applies: Property acquired after Jan 19, 2025From IRS.gov · checked October 10, 2026

What changed

Property acquired after January 19, 2025 qualifies for 100% bonus depreciation in the year it is placed in service, and the old phase-down no longer applies. For the first tax year ending after that date, a taxpayer can elect 40% instead.

The Section 179 limit is $2,500,000, phasing out from $4,000,000 of purchases, for tax years beginning in 2025. For 2026 it is $2,560,000, phasing out from $4,090,000, with a $32,000 SUV cap.

Questions to settle with business clients

  • When was each asset acquired, not just placed in service? The January 19, 2025 date turns on acquisition.
  • Does a full write-off now waste deductions the client would rather use in a higher-income year?
  • Does the state follow federal bonus depreciation? Many do not, which means a separate state depreciation schedule.

Keeping the fixed asset register clean

The acquisition date and placed-in-service date both matter now, so capture them when the purchase is posted. In HelloBooks the bill or receipt sits on the transaction, so the date and invoice are there when you build Form 4562.

FAQ

Frequently asked questions

Is 100% bonus depreciation permanent?
Yes. For property acquired after January 19, 2025 it no longer phases down.

Sources

General information for tax professionals, not advice on a specific return. Figures are from IRS.gov on the date shown; check the current IRS instructions before filing.

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