1031 Exchange Calculator

Most Austin investors underestimate what they’ll owe when they sell a rental property, especially the depreciation recapture tax. A quick “15% capital gains” estimate usually misses half the picture.

This 1031 Exchange Calculator shows you exactly what’s on the table. In seconds, you’ll see:

  • Your total tax bill if you sell outright
  • Your capital gains and depreciation recapture tax
  • How much tax you can defer with a 1031 exchange
  • Your net equity and replacement-property buying power side by side
  • The target value your next property needs to hit for full deferral

Enter a few pieces of information and see the savings instantly.

Enter Your Numbers

Property Details

Start with the sale, basis, and financing numbers.

Assumptions

Your 1031 Exchange Estimate

Taxable Sale Taxes

Without a 1031

Total tax without 1031
Total depreciation recapture tax
Total LTCG tax

1031 Exchange Taxes

With a 1031

Estimated tax with 1031
Boot
Tax on boot
Tax deferred

Taxable Sale

After taxes now

Net equity
Replacement buying power

1031 Exchange

Taxes deferred

Exchange equity
Replacement buying power

What You Must Reinvest

To fully defer your taxes in a 1031 exchange, the IRS requires you to acquire replacement property of equal or greater market value, and to reinvest all of your net equity.

  • Target replacement value:
  • Net equity to fully reinvest:
Taxable sale
1031 exchange
See how this estimate is calculated
Adjusted basis
Amount realized after closing costs
Estimated total gain
Depreciation recapture portion
Capital gain portion
Federal capital gains tax
Federal recapture tax
State capital gains tax
State recapture tax
NIIT
Total estimated taxes due in a taxable sale
Cash boot received
Recognized gain from boot
Estimated tax with 1031
Tax deferred
Net sale proceeds before taxes

The Basics: How a 1031 Exchange Actually Works

Section 1031 of the IRS code lets real estate investors sell one investment property and buy another "like-kind" property without paying taxes on the gain, as long as they follow a specific set of rules.

A standard sale triggers four kinds of tax: federal long-term capital gains, federal depreciation recapture (capped at 25%), state capital gains, and the 3.8% Net Investment Income Tax for higher earners. A 1031 exchange defers all of them. Your full sale proceeds stay invested in real estate and keep compounding instead of shrinking on the way to the Treasury.

Why This Strategy Hits Different for Texas Owners

Texas is one of nine states with no income tax and no state capital gains tax. For Austin investors, that means the tax bill on a rental property sale is almost entirely federal.

That cuts two ways. Texas owners keep more of every taxable sale than investors in California or New York. But after a decade of Austin appreciation, your federal liability can still be substantial. A property purchased in the mid-2010s may have doubled in value, and the IRS is waiting for its share. A 1031 exchange keeps that money invested locally in markets like East Austin, Round Rock, Pflugerville, Cedar Park, or San Marcos.

The Rules That Make or Break an Exchange

Every 1031 exchange must follow these five rules. Miss one, and the entire deferral collapses.

The 45-day identification window. You have 45 days from the closing of your sale to identify potential replacement properties in writing. After Day 45, the list is locked.

The 180-day closing deadline. You must close on a replacement property within 180 days of your original sale. The 45-day identification period is part of the 180 days, not in addition to it.

Equal or greater value. To fully defer taxes, you must reinvest all your net proceeds, buy a property of equal or greater value, and replace or exceed your existing loan balance.

Like-kind flexibility. You can exchange a single-family rental for a duplex, a small apartment building, commercial property, raw land, or even a fractional interest in a Delaware Statutory Trust. The properties just have to be held for investment or business use.

The qualified intermediary requirement. A QI must hold your sale proceeds during the exchange. If the money touches your personal account, the IRS treats the sale as taxable.

Smart Ways Austin Investors Use 1031 Exchanges

The best exchanges match your long-term goals. Here are the most common strategies we see among Central Texas investors.

Trading up. Selling a single-family rental and using the proceeds to buy a small multifamily building. More units, more cash flow, same tax-deferred equity.

Trading out of active management. Exchanging an Austin rental for a Delaware Statutory Trust (DST) or a turnkey property in a smaller Texas market. You keep the tax benefits but hand off the day-to-day work.

Geographic diversification. Selling one Austin property and splitting the proceeds across two or three properties in different submarkets.

Resetting depreciation. Rolling into a new property starts a fresh depreciation schedule and extends the tax shield on your rental income.

Escaping rising property tax bills. Austin-area assessments have climbed sharply. Some investors use 1031 exchanges to shift equity into markets with lower carrying costs.

A Real-World Austin Example

Imagine you bought a single-family rental in East Austin in 2014 for $450,000. Today, that same property sells for $950,000. Over the 12 years you owned it, you took about $130,000 in depreciation and paid down $75,000 of your original mortgage.

Here's what the tax bill looks like without a 1031 exchange:

  • Long-term capital gains tax: roughly $100,000 (at the 20% federal rate)
  • Depreciation recapture tax: roughly $32,500 (at the 25% federal rate)
  • Net Investment Income Tax (3.8%): roughly $19,000

Total federal tax bill: about $151,500.

With a properly structured 1031 exchange, you defer all of it. Instead of handing $151,500 to the IRS, you roll the full amount into your next property, say a four-unit multifamily building in Pflugerville or a larger single-family rental in Round Rock. That extra capital means bigger cash flow from day one and more equity compounding over time.

Numbers are illustrative and based on typical federal rates. Use the calculator above for your actual situation, and always confirm with a CPA.

When a DST Makes Sense Instead of Another Rental

If you've decided you're done being a landlord, a Delaware Statutory Trust can be a strong 1031 destination. DSTs let you own a fractional share of large institutional-grade real estate, like hundred-unit apartment communities or medical office buildings. The property is fully managed, and you receive monthly income distributions without answering a single maintenance call.

They qualify for full 1031 deferral and let you diversify across multiple assets. The trade-off is liquidity: most DSTs have a 5 to 10 year hold period, so the money is committed for the long haul. This is often the right move for investors nearing retirement.

Common Questions About 1031 Exchanges

How accurate is this calculator?

It uses standard IRS formulas and current tax rates, so it gives a reliable estimate for most situations. Always confirm with your CPA before making a decision.

Does Texas charge state tax on real estate gains?

No. Texas has no state income tax and no state capital gains tax, which is why the calculator defaults state rates to 0%.

Can I exchange one property for several?

Yes. The IRS allows one-to-many, many-to-one, and multi-property simultaneous exchanges, as long as you stay within the identification and timing rules.

What happens if I take some cash out?

Any proceeds you keep instead of reinvesting are called "boot" and are taxed immediately. The calculator shows you exactly how much.

Does a vacation home or Airbnb qualify?

Generally no for personal vacation homes. Short-term rentals can qualify if they're operated as a genuine investment business with proper documentation and limited personal use.

Can I buy the new property before I sell?

Yes, through a reverse 1031 exchange. These require specialized structuring but are useful in tight Austin submarkets where good replacement properties disappear quickly.

What if I miss one of the deadlines?

The exchange fails and the original sale becomes fully taxable. The IRS rarely grants extensions, which is why working with an experienced QI is critical.

Kali Sanchez

Have questions?