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Bonus depreciation in 2023: 80% under TCJA phase-down (80%)

The 2023 IRC §168(k) bonus depreciation rate is 80%. TCJA §13201 began the phase-down with an 80% rate for qualified property placed in service. With a worked $500k rental example.

The 2023 bonus rate at a glance

Property acquired and placed in service in 2023 is eligible for a 80% bonus depreciation rate under IRC §168(k). The applicable regime is TCJA phase-down (80%).

TCJA §13201 began the phase-down with an 80% rate for qualified property placed in service in 2023. OBBBA (Pub. L. 119-21, signed July 4, 2025) did NOT change this rate retroactively — 2023 stays at 80% for §481(a) look-back catch-ups.

How a sample $500k rental looks under the 2023 rate

To make the rate concrete, here is a worked feasibility estimate for a long-term rental purchased in 2023 for the calculator's standard sample inputs (32% federal marginal bracket, real-estate professional status):

Purchase price $500,000
Land allocation $100,000
Depreciable basis $400,000
Reclassified (5/7/15-yr) 18.5%
Year-1 deduction (cost-seg) $67,718
Year-1 deduction (standard) $7,879
Estimated Year-1 federal tax effect (32%) ~$21,670

Numbers are estimates from the live engine; results are not guaranteed and will vary for any specific property.

What changes about 2023 vs. other years

TCJA §13201 began the phase-down here at 80%. The 20% of accelerable basis NOT bonus-depreciated continues through MACRS at 200%/150% DB rates per IRS Pub 946 Tables A-1.

Run the numbers on your specific property

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Open the calculator with these values prefilled

Sources

IRC §168(k) as amended by OBBBA §70301 (Pub. L. 119-21)
IRS Notice 2026-11
IRS Publication 946 (How to Depreciate Property)
TCJA §13201 (pre-OBBBA phase-down rates for 2023/2024)

Related

Disclaimer. This page describes general federal tax concepts. TaxProtestTx (Nought Labs LLC) is a feasibility-screening tool, not tax advice or a cost segregation study. The calculator output cannot be relied on under Treasury Circular 230. Consult a qualified CPA, EA, or attorney before filing. Results are not guaranteed.