Depreciation is the reason experienced real estate investors pay effective tax rates that look impossibly low compared to their income. It is not a loophole. It is a feature of the tax code specifically designed to encourage investment in real property, and it works exactly as intended.
Most investors know depreciation exists. Fewer understand how to maximize it. Almost nobody outside of high-net-worth circles is using cost segregation, which can accelerate the benefit dramatically.
How residential depreciation works
The IRS allows owners of residential rental properties to deduct the cost of the building (not the land) over 27.5 years. This is called Modified Accelerated Cost Recovery System (MACRS) depreciation.
The formula: (purchase price minus land value) / 27.5 = annual depreciation deduction.
For a property purchased at $300,000 where the land is valued at $60,000, the depreciable basis is $240,000. Annual depreciation: $240,000 / 27.5 = $8,727.
This $8,727 deduction reduces your taxable rental income whether or not you spent any money on the property that year. It is a non-cash deduction - the closest thing the tax code offers to free money for investors.
On a property generating $18,000 in annual rent with $9,000 in cash operating expenses, your accounting income before depreciation is $9,000. After the $8,727 depreciation deduction, your taxable income from the property is $273. You actually pocketed the difference.
The IRS Publication 946 covers depreciation methods and recovery periods in full detail.
Passive activity rules
Here is the catch that surprises most new investors: rental income is classified as passive income under the tax code, and passive losses can generally only offset passive gains.
If your rental property generates a $10,000 paper loss after depreciation, you cannot automatically deduct it against your W-2 salary. The loss is suspended and carried forward to future years.
There are two exceptions. First: if your adjusted gross income is below $100,000 and you actively participate in managing your rental properties, you can deduct up to $25,000 of rental losses against ordinary income. This deduction phases out between $100,000 and $150,000 of AGI.
Second: real estate professionals, as defined by the IRS (750+ hours per year in real estate activities where it represents more than half your total working time), can deduct unlimited rental losses against ordinary income. This is why many high-earning professionals whose spouses qualify as real estate professionals pay dramatically lower taxes.
Cost segregation
Cost segregation is an engineering-based tax study that reclassifies components of a property from 27.5-year depreciation into shorter categories - 5, 7, or 15 years. Land improvements, carpeting, appliances, and certain building components qualify for accelerated depreciation.
A cost segregation study on a $1 million property might identify $150,000-250,000 worth of components that can be depreciated over 5-15 years instead of 27.5 years. Combined with bonus depreciation provisions (currently being phased down from 100% under the Tax Cuts and Jobs Act), this can create a very large depreciation deduction in year one.
The ROI on a cost segregation study - which typically costs $5,000-15,000 for a residential property - is almost always positive for properties above $500,000 in value. Investopedia's tax strategy guides discuss cost segregation in accessible detail.
Depreciation recapture
When you sell a depreciated property, the IRS recaptures the depreciation you took over your holding period. This recaptured amount is taxed at a maximum rate of 25%, separate from the capital gains rate on remaining profit.
For investors who plan to hold long-term or execute 1031 exchanges indefinitely, depreciation recapture is perpetually deferred. For investors who plan to sell, it is a real cost that needs to be factored into exit analysis.
A property where you claimed $80,000 in depreciation over ten years, sold for a $200,000 gain, generates two tax events: $80,000 taxed at 25% depreciation recapture rate and $120,000 taxed at the applicable long-term capital gains rate.
This article is for informational purposes only and does not constitute financial, legal, or tax advice. Consult a qualified professional before making investment decisions.
