Friday Tax Tip | Year-End Planning Series | October 16, 2026
What if your rental property could help you save more on taxes than you realized?
Owning rental property is more than collecting rent and building long-term wealth. It may also come with valuable tax-saving opportunities that many property owners overlook.
One of those opportunities is called cost segregation, a tax strategy that can help qualifying real estate investors claim certain depreciation deductions sooner rather than spreading them over decades.
Let's break down how it works and why it could matter for your 2026 tax planning.
1. What Is Cost Segregation?
Q: How does cost segregation work?
Normally, the IRS requires property owners to depreciate residential rental buildings over 27.5 years and most commercial buildings over 39 years.
A cost segregation study identifies certain components of a property that may qualify for shorter depreciation periods, such as:
- Appliances and certain fixtures
- Carpeting and qualifying flooring
- Parking lots and sidewalks
- Landscaping and outdoor improvements
- Certain specialized electrical installations
Instead of depreciating everything over 27.5 or 39 years, eligible components may be depreciated over 5, 7, or 15 years.
The benefit? You may be able to claim larger tax deductions earlier, improving your cash flow and giving you more flexibility to reinvest in your business.
2. Why Is Cost Segregation Especially Important in 2026?
Q: What's changed with bonus depreciation?
Recent tax legislation restored 100% bonus depreciation for qualifying property acquired and placed in service after January 19, 2025.
This means certain eligible components identified through a cost segregation study may qualify for a full deduction in the year they are placed in service.
Instead of waiting years to claim eligible depreciation deductions, you may be able to claim them much sooner.
However, eligibility depends on acquisition dates, property classification, and other tax requirements.
3. How Much Could You Potentially Save?
Let's look at a simple example.
Imagine purchasing a rental property for $500,000 in 2026.
A cost segregation study identifies $120,000 in components eligible for 100% bonus depreciation.
Marginal tax ratePotential savings24%$28,80032%$38,400
These estimates assume the full $120,000 deduction is currently usable and reduces income taxed at the stated marginal rate. Actual savings depend on your tax situation, and these figures do not represent the additional savings compared with regular depreciation.
The takeaway: A properly prepared cost segregation study could create meaningful tax savings and improve your cash flow.
4. Can Older Rental Properties Qualify?
Q: What if I purchased my rental property several years ago?
You may still have an opportunity!
Property owners who never completed a cost segregation study may be able to perform a look-back study to identify previously missed depreciation opportunities.
In some situations, the resulting adjustment can be claimed through an accounting method change without amending prior tax returns.
However, bonus depreciation eligibility depends on when the property or its components were originally acquired and placed in service. Older properties do not automatically qualify for the current 100% rate.
5. Are There Any Risks or Limitations?
Q: Is cost segregation right for every property owner?
Not necessarily. Before moving forward, consider these important factors:
- Study Costs: Professional cost segregation studies involve fees, so the expected benefits should outweigh the expense.
- Depreciation Recapture: Selling the property later may create additional taxable income related to depreciation previously claimed.
- Rental Loss Limitations: Passive activity loss rules may prevent some investors from immediately using the entire deduction.
- Property Eligibility: Not every building component qualifies for accelerated depreciation.
The key is to make sure the strategy fits your overall financial and tax situation.
6. What Should You Do Before December 31?
Year-end is an important time to review your real estate investments and potential tax-planning opportunities.
If you're purchasing a property in 2026, it generally needs to be ready and available for its intended rental or business use by December 31 to begin depreciation for that tax year.
A cost segregation study may be completed after year-end, but planning ahead can help you avoid missed opportunities.
Consider working with a qualified tax professional and an experienced cost segregation specialist to evaluate your property before making major decisions.
The Bottom Line: Invest Smart, Save Strategically
A rental property should be a smart investment first. Tax savings are an added advantage.
Cost segregation can be a powerful strategy for eligible property owners, but the biggest benefit comes from understanding when and how to use it.
Whether you've recently purchased a rental property, own commercial real estate, or have held an investment property for years, reviewing your depreciation strategy could reveal valuable tax-planning opportunities.
Don't wait until tax season to discover deductions you may have overlooked.
Let's Review Your Rental Property's Tax-Saving Potential!
At RSK Tax & Consulting, we help property owners and business professionals better understand their tax obligations and identify opportunities to plan ahead.
Own a rental property? Let's find out whether cost segregation could work for you.
Contact RSK Tax & Consulting to discuss your year-end tax planning.
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Samantha
RSK Tax & Consulting
