
To sidestep 1031 exchange boot, it's essential to understand that boot occurs when the proceeds from a sale exceed the basis of the property, resulting in taxable capital gains.
Boot can be avoided by structuring a sale to minimize the amount of cash received. For example, if a property is sold for $1 million and the seller owes $100,000 in back taxes, the seller can use a third-party escrow to pay the taxes, reducing the amount of cash received to $900,000.
By using a qualified intermediary, sellers can facilitate a delayed exchange and avoid boot. This allows them to acquire a replacement property before selling their relinquished property, ensuring that the proceeds are not received before the new property is acquired.
A well-planned investment strategy, including a thorough understanding of 1031 exchange rules, can help investors avoid boot and maximize the benefits of a 1031 exchange.
What is a 1031 Exchange?
A 1031 exchange is a tax-deferred exchange of one investment property for another, allowing you to sell a property and reinvest the funds in a new one without paying capital gains tax.
To be eligible for a 1031 exchange, you must sell a property that is held for investment or used in a business, known as a "qualified use property".
The IRS requires that you work with a qualified intermediary, who will hold the proceeds from the sale of your property until the exchange is complete.
You have 45 days from the sale of your property to identify potential replacement properties, and 180 days to complete the exchange.
Types of 1031 Exchanges
A 1031 exchange can be either a forward exchange or a reverse exchange. A forward exchange involves selling a relinquished property and using the proceeds to purchase a replacement property within the 180-day timeframe.
There are also three types of forward exchanges: simultaneous, delayed, and improvement exchanges. A simultaneous exchange involves selling and buying properties on the same day, a delayed exchange involves selling a property before buying a replacement property, and an improvement exchange involves using the sale proceeds to improve a replacement property.
A reverse exchange, on the other hand, involves purchasing a replacement property before selling a relinquished property. This type of exchange requires a qualified intermediary to hold the replacement property temporarily until the relinquished property is sold.
What's in a 1031 Investment?
A 1031 exchange allows you to defer capital gains tax on the sale of a property.
The main reason for conducting a 1031 exchange is to defer the payment of capital gains tax, but receiving boot has the opposite effect.
Boot is a portion of the sales proceeds you receive from a 1031 exchange that isn’t re-invested in a replacement property.
If you sell a property for $200,000 but only re-invest $180,000, the $20,000 difference is known as boot.
The $20,000 in boot is taxable, whereas the $180,000 has taxes deferred.
This is why it's essential to carefully plan your 1031 exchange to minimize the amount of boot received.
Types of
Types of boot in a 1031 exchange can be a bit tricky, but let's break it down. Cash boot occurs when an investor doesn't reinvest all the proceeds from the sale of their relinquished property into a replacement property. This can trigger a taxable event on the remaining amount, undermining the primary purpose of most investors completing a 1031 exchange.
For instance, if an investor sells a property for $450,000 and reinvests only $400,000 into a replacement property, the remaining $50,000 is considered cash boot. This will be subject to capital gains tax, which can be a significant setback for investors trying to defer their taxes.
Mortgage boot, or debt replacement boot, happens when the mortgage on the replacement property is less than that on the relinquished property. Let's say the mortgage on your relinquished property was $200,000, but when you acquire your replacement property through the 1031 exchange, the mortgage on it is only $100,000. In this scenario, you would have $100,000 in debt reduction boot.
This type of boot can also occur when an investor over-refinances their replacement property, increasing the loan-to-value ratio. For example, if the mortgage on the relinquished property was $100,000, and the investor takes out a new mortgage on the replacement property with a 70% loan-to-value ratio, they would create $40,000 in mortgage boot.
Here are some examples of how boot can occur in a 1031 exchange:
Like-Kind Rules
The like-kind rules are a crucial part of a successful 1031 exchange. To qualify, your replacement property must cost more than the property you're selling.
You'll need to reinvest 100% of the sale proceeds to avoid paying taxes on the gain. This means zero boot and full tax deferral.
The key is to make sure your replacement property meets the cost threshold.
Calculating and Avoiding Boot
Boot can be a complex topic, but it's essential to understand how to calculate and avoid it in a 1031 exchange.
Boot can be taxed in three different ways, depending on how much depreciation you've claimed, what kind of depreciation you claimed, and how much profit you realized on the sale.
To avoid boot, you should reinvest all of your 1031 exchange proceeds from the relinquished property into the replacement property.
You can also avoid boot by bringing cash to closing to pay for items that are not like-kind, such as rent prorations, tenant deposits, or outstanding vendor invoices.
A good way to avoid mortgage boot is by purchasing more than one replacement property.
Here are some common sources of boot:
- Cash boot: Excess proceeds from the sale of a relinquished property that are not reinvested in a replacement property.
- Mortgage boot: The difference between the amount of debt on a relinquished property and the amount of debt on a replacement property.
Here's a breakdown of the different types of tax on boot:
Examples and Scenarios
If you take out $10,000 in cash from the sale of your relinquished property, that's considered cash boot and is subject to capital gains tax of up to 20%.
The IRS specifically states that you can't use that money to "offset" the cash taken out when the relinquished property was sold. For example, if you sell a $200,000 property and take out $10,000 in cash, the $10,000 is still subject to capital gains tax.
You can create mortgage boot by over-refinancing a replacement property, resulting in a larger mortgage and more boot cash. This happened in one of our examples, where a $40,000 mortgage boot was created by increasing the LTV from 50% to 70%.
To avoid creating mortgage boot, you could have paid more for the replacement property, but that's not always feasible. Alternatively, you could have purchased two replacement properties instead of one, which would have met all the requirements of the 1031 exchange without creating boot.
Here are a few scenarios that illustrate the potential consequences of boot:
Partial Examples
In a partial 1031 exchange, you can have a cash boot, which is the leftover amount of money from your sale proceeds after reinvesting in a new property. This can happen when you reinvest in a property worth less than your original one.
You can also have a mortgage boot, which occurs when you fail to replace the value of the mortgage relief generated from the sale of the sold property. For instance, if you sell a $1 million property and pay off a $300,000 mortgage, but then reinvest in a $900,000 property with $200,000 in new debt.

The mortgage boot is the $100,000 gap between what you paid off on the initial mortgage and what you're taking on in new debt. This can be offset by bringing new cash to the table.
A partial 1031 exchange calculator can help you anticipate how much boot you'll have and what your tax bill will be. This can give you a better idea of how to structure your exchange to minimize your tax liability.
Two Examples
In a 1031 exchange, boot can occur when the value of the replacement property is not exactly equal to the value of the relinquished property. This can happen in two common scenarios: cash boot and mortgage boot.
Cash boot occurs when cash is taken out of the 1031 exchange at closing, which can happen when the value of the relinquished property is sold for more than the value of the replacement property. For example, if the relinquished property is sold for $200,000 and the replacement property is purchased for $225,000, but $10,000 is taken out of the exchange at closing, that $10,000 is considered cash boot and is subject to capital gains tax.

Mortgage boot, on the other hand, occurs when the mortgage on the replacement property is larger than the mortgage on the relinquished property. This can happen when the buyer over-refinances the property, taking out a larger mortgage to make a down payment. For example, if the relinquished property has a mortgage balance of $100,000 and the buyer purchases a replacement property with a mortgage balance of $140,000, that $40,000 difference is considered mortgage boot and is subject to capital gains tax.
Here's a comparison of the two examples:
In both cases, the buyer can avoid boot by being careful with the 1031 exchange process and making sure the replacement property is valued correctly.
Frequently Asked Questions
What is a 1031 exchange boot?
In a 1031 exchange, "boot" refers to any non-like-kind property received, such as cash or personal property, that exceeds the fair market value of the relinquished property. This boot is taxable and must be reported on your tax return.
How is boot taxed in 1031?
In a 1031 exchange, boot received is taxable to the extent of gain realized on the exchange. Taxes are owed on the boot, but the remainder of the exchange can still be tax-free
What should an exchanger do to avoid taxable boot on cash received in an exchange?
To avoid taxable boot on cash received in an exchange, reinvest all net equity in a "like-kind" Replacement Property with a value equal to or greater than the Relinquished Property. This ensures the exchange is tax-free and avoids potential tax liabilities.
Sources
- https://www.kiplinger.com/real-estate/boot-in-a-1031-exchange-how-to-minimize-tax-implications
- https://inside1031.com/boot-partial-1031-exchange/
- https://www.accruit.com/blog/what-boot-1031-exchange
- https://www.1031exchange.com/what-is-boot-in-a-1031-exchange-a-simple-rule-to-remember/
- https://learn.roofstock.com/blog/1031-exchange-boot
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