If you've looked into cost segregation for your short-term rental, you've probably heard the pushback. "Sure, you get a big deduction now, but you'll just have to pay it all back when you sell."
That's the objection that stops a lot of investors from running the numbers. And it's not quite accurate.
Let's walk through what actually happens, using real numbers.
The Setup
Say an investor buys a $1,000,000 short-term rental. Here's how that breaks down:
Purchase price: $1,000,000
Land value: $200,000
Depreciable basis: $800,000
Cost segregation allocation to 5, 7, and 15-year property: 30%
Short-life property: $240,000
Remaining 27.5-year building: $560,000
Investor's marginal federal rate: 37%
Without Cost Segregation
The entire $800,000 building basis depreciates over 27.5 years in one straight line. That's roughly $29,091 in first-year depreciation. At a 37% marginal tax rate, that's worth approximately $10,764 in federal tax savings.
Not nothing, but not life-changing either.
With Cost Segregation
Here's where it gets interesting. A cost segregation study identifies $240,000 of that $800,000 as qualifying shorter-life assets. Think flooring, cabinetry components, decorative lighting, electrical serving qualifying equipment, and landscaping or site improvements.
Under current law, qualifying property with a MACRS life of 20 years or less generally qualifies for 100% bonus depreciation when the requirements are met.
So the first-year depreciation becomes:
$240,000 bonus depreciation
Plus $20,364 regular depreciation on the remaining $560,000 building
Equals $260,364 total depreciation
Compare that to $29,091 without cost segregation. That's an additional first-year deduction of roughly $231,273.
At a 37% federal tax rate, that's $231,273 multiplied by 37%, or approximately $85,571.
Assuming the investor can actually use the deduction, that's roughly $85,600 more cash in their pocket after taxes, in year one alone.
That's the real draw of cost segregation.
But What Happens When You Sell?
Let's say the investor sells this property five years later for $1.3 million. This is exactly where the "you'll just have to pay it back" objection comes in.
Here's the part most people miss.
Consider that $240,000 of short-life property. Five years later, those components aren't worth $240,000 anymore. The carpet is older. Appliances and furnishings have depreciated. Landscaping has aged. Some items may have even been replaced entirely.
Suppose a supportable allocation shows those assets are now worth only $60,000 at the time of sale.
Because the investor bonus-depreciated those assets down to essentially a $0 tax basis:
Sale value: $60,000
Tax basis: $0
Gain: $60,000
Under IRS Section 1245, depreciation recapture is generally limited to the lesser of the depreciation previously claimed or the gain on disposition. So the investor doesn't automatically recognize all $240,000 as ordinary-income recapture.
In this example, it could instead work out to:
$60,000 of Section 1245 recapture
At a 37% rate, that's $60,000 multiplied by 37%, or $22,200 in tax owed
Compare that $22,200 to the roughly $85,600 of additional tax benefit received five years earlier.
There's Still Depreciation Tax on the Building Itself
The investor also depreciated the real estate portion over those five years. In this example, that's roughly $560,000 divided by 27.5, multiplied by 5 years, which comes out to about $101,818 of depreciation on the remaining building.
Gain attributable to straight-line real property depreciation generally falls into the unrecaptured Section 1250 gain category, capped at a maximum federal rate of 25%. At that rate, that would be approximately $25,455.
Worth noting, this isn't really a "cost segregation penalty." You'd have this building depreciation regardless of whether you ran a cost segregation study or not.
Why the Economics Still Work in Your Favor
Think of this entire strategy as receiving an interest-free loan from the IRS. The investor receives approximately $85,600 of tax benefit today, and the resulting tax liability may not become payable for 5, 7, 10, or even 20 years, depending on when they sell.
And even then, several things could shift the outcome further:
The Section 1245 assets may be worth considerably less than projected
Some assets may have already been disposed of or replaced
Partial disposition deductions may have already been claimed
The owner could hold the property much longer than five years
The investor could execute a properly structured 1031 exchange
Tax rates themselves could be different by the time of sale
Estate planning could change the entire outcome
So even in scenarios with meaningful recapture down the road, the investor has controlled and invested that tax savings in the meantime.
One Important Caveat
That $85,600 tax benefit only matters if the investor can actually use the loss, which is a separate issue entirely from cost segregation itself.
For a traditional passive long-term rental, passive activity limitations can prevent a high-income investor from immediately using a large depreciation loss against W-2 or other active income.
But certain short-term rental operations can qualify for different passive activity treatment, depending on factors like average guest stay and material participation. For the right STR owner, combining short-term rental status, material participation, cost segregation, and 100% bonus depreciation can produce a dramatically different tax result than a conventional long-term rental.
The Simple Version
A $1M short-term rental with an $800K depreciable basis, running roughly $240K through cost segregation, can produce approximately $85K in potential first-year federal tax benefit for someone in the 37% bracket.
Selling five years later doesn't automatically mean writing the IRS an $85K check. The actual recapture depends on the asset type, accumulated depreciation, the sale allocation and fair market value, the gain, any replacements or dispositions along the way, and the owner's eventual exit strategy.
As a CPA and Texas Real Estate Strategist, this is exactly the kind of math I walk investors through before they write off cost segregation as "too complicated" or assume the recapture wipes out the benefit. It doesn't, when you understand how the mechanics actually work.
Read more at beth-perkins.com
Beth Perkins
REALTOR®, RSPS, CPA, MBA
Texas Real Estate Strategist
📞 512-797-7349
📧 beth@beth-perkins.com
This content is for educational purposes only and is not legal, tax, or financial advice. Please consult a licensed CPA regarding your specific situation.
