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If you have been depreciating your rental property the same way for years, spreading deductions out over the standard 27.5-year schedule, there is a significant tax change worth understanding right now. On July 4, 2025, the One Big Beautiful Bill Act was signed into law, and one of its most consequential provisions for real estate investors permanently restored 100% bonus depreciation for qualifying property. This is not a proposal or something working its way through Congress. It is active law, already in effect, and it represents one of the biggest tax planning opportunities available to real estate investors in years.
Key Takeaways
The One Big Beautiful Bill Act permanently restored 100% bonus depreciation for qualifying property acquired after January 19, 2025.
This applies to components with a recovery period of 20 years or less, not the building structure itself, which still depreciates over 27.5 years for residential rental property.
A cost segregation study is typically how investors identify which parts of a property qualify for this accelerated treatment.
Not every state conforms to this federal rule, so state tax treatment can differ meaningfully from your federal return.
What Changed and Why It Matters
Bonus depreciation itself is not new. It was introduced under the 2017 Tax Cuts and Jobs Act at 100%, but it was scheduled to phase down by 20% each year until reaching zero by 2027. That declining schedule made long-term tax planning more complicated and reduced the incentive to invest heavily in any given year, since the benefit was shrinking annually.
The One Big Beautiful Bill Act changed that. It permanently reinstated the full 100% rate for qualifying property placed in service after January 19, 2025, with no scheduled phase-out this time. That permanence is arguably as important as the rate itself. Investors can now plan multi-year acquisition and improvement strategies around this deduction with confidence, rather than racing against a shrinking window.
What Actually Qualifies
This is the detail that trips up a lot of owners. The rental property structure itself, whether residential at 27.5 years or commercial at 39 years, does not qualify for bonus depreciation because its recovery period is too long. What does qualify is any component with a recovery period of 20 years or less under standard depreciation rules. In a typical rental property, this includes things like:
Appliances, carpeting, and certain fixtures, generally classified as 5-year property
Some HVAC and mechanical components, often falling into 7-year property
Land improvements such as fencing, landscaping, paving, and outdoor lighting, typically 15-year property
Most owners do not intuitively know which parts of their property fall into which category, which is exactly why a cost segregation study matters here.
Why Cost Segregation Studies Have Become More Valuable
A cost segregation study is a formal analysis, often conducted with an engineer or specialized firm, that breaks a property down into its component parts and identifies which ones qualify for accelerated depreciation. Historically, this made sense mainly for larger commercial properties given the cost of the study itself, but the return on that investment has grown substantially now that the qualifying components can be deducted at 100% instead of a reduced rate.
As an example, an investor purchasing a $1 million rental property might find that $200,000 to $300,000 of the property's value qualifies for reclassification into 5, 7, or 15-year property through a cost segregation study. Under the current rule, that entire reclassified amount can potentially be deducted in the very first year, rather than spread out over one to two decades. For an investor in a high tax bracket, that is a substantial difference in year-one cash flow.
An Important Timing Detail
One nuance worth flagging directly: the acquisition date matters as much as the date a property is placed in service. If you had a written binding contract to purchase a property before January 20, 2025, that property is generally treated as acquired on the contract date, even if you did not place it in service until later, which can affect which bonus depreciation rate applies. Anyone who was already under contract on a property around that window should confirm with a tax professional exactly which rate applies to their specific purchase.
Not Every State Follows This Rule
This is the detail most likely to catch investors off guard. While the federal government has made 100% bonus depreciation permanent, many states do not automatically conform to federal depreciation rules. Some states require you to add back a portion of the deduction on your state return even though you claimed it federally. California is a notable example of a state that does not conform, while several others do follow the federal treatment. If you own property across multiple states, this is worth reviewing property by property rather than assuming uniform treatment.
What This Means for Your Investment Strategy
Beyond the immediate tax savings, the permanence of this rule changes how investors might think about timing acquisitions and improvements. Because the benefit is no longer shrinking year over year, there is less pressure to rush a purchase or renovation before a deadline, and more room to plan improvements strategically around your broader financial picture. Investors who qualify for Real Estate Professional status may find this particularly powerful, since it can allow rental losses generated through accelerated depreciation to offset other income, not just passive rental income.
Working with a management partner who understands how these deductions interact with your monthly financial reporting can make a meaningful difference here. Clean, well-organized income and expense records make it far easier for your tax professional to identify and properly document qualifying components when tax season arrives.
FAQ
Does bonus depreciation apply to the rental building itself?
No. The building structure has a recovery period longer than 20 years, whether 27.5 years for residential or 39 years for commercial property, so it does not qualify. Only shorter-life components identified through a cost segregation study are eligible.
Do I need a cost segregation study to claim any bonus depreciation?
Not strictly, since some qualifying assets like new appliances are easy to identify on their own. However, a cost segregation study is typically how investors uncover the larger, less obvious portions of a property that qualify, making it worthwhile for properties of significant value.
Is this deduction available if I bought my property before 2025?
Only property acquired and placed in service after January 19, 2025, generally qualifies for the full 100% rate. Properties acquired earlier follow the depreciation rules in effect at that time.
Should I assume my state follows the same rule as my federal return?
No. State conformity varies significantly, and some states require adjustments on your state return even when you have claimed the full federal deduction. Confirming your specific state's treatment is an important step before filing.
A Meaningful Opportunity Worth Discussing With a Professional
The permanent return of 100% bonus depreciation is a genuinely significant shift in the tax landscape for real estate investors, but taking full advantage of it requires accurate property records, a clear understanding of what qualifies, and often a cost segregation study to identify the details. If you want a management partner who keeps your financial reporting organized and ready for exactly this kind of tax planning conversation, reach out to HomeRiver Group to learn more about how we support investors across our national portfolio.
