By Prerna Kapoor, CLHMS | REAL Brokerage | May 29, 2026
One of the questions I hear most from Colorado investors who are sitting on a property that’s gone up in value is some version of, “I want to sell, but the tax bill is going to be brutal. Is there a way around it?” The answer, for the right situation, is a 1031 exchange. It’s not a loophole. It’s a section of the IRS code that lets you defer capital gains tax when you swap one investment property for another. Used well, it can keep tens of thousands of dollars working for you instead of going to the IRS.
I’m not a CPA, and you’ll want one on your team before you do this. But here’s what I share with my Colorado investor clients when the topic comes up, in plain English.
What a 1031 Exchange Actually Is
Section 1031 of the Internal Revenue Code lets you sell an investment property and reinvest the proceeds into another investment property without paying federal capital gains tax at the time of the sale. The tax doesn’t disappear. It gets deferred until you eventually sell the replacement property without doing another exchange. The IRS rules on this are explained directly in IRS Fact Sheet 2008-18, which is still the cleanest plain-English overview the agency publishes.
The key word is “like-kind.” That phrase used to confuse people because it sounds like you have to swap a single-family rental for another single-family rental. You don’t. Like-kind, in this context, means real property held for investment or business use. A duplex can be exchanged for raw land. A retail strip can be exchanged for a residential rental portfolio. What you cannot do, as of the 2017 Tax Cuts and Jobs Act, is exchange personal property or your primary residence. This is strictly an investment property tool.
The Two Deadlines That Trip People Up
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The IRS gives you two hard deadlines once you close on the sale of your original (relinquished) property, and missing either one collapses the exchange. The 45-day identification window starts the day you close. By day 45, you have to formally identify the replacement property or properties in writing to your qualified intermediary. By day 180, you have to actually close on the replacement.
These are calendar days, not business days, and there are no extensions for weekends, holidays, illness, or a deal falling through. I tell clients to start hunting for replacement properties before they list the original. The window goes faster than you think, especially in a market where well-priced investment properties are still moving in two to three weeks across most of the metro.
You Can’t Touch the Money
This is the rule that surprises do-it-yourself investors. You are not allowed to take possession of the sale proceeds, not even briefly. The money has to flow directly from the closing of your sale into a qualified intermediary’s account, then from that account to the closing of your purchase. If a check is cut to you, even by mistake, the exchange is dead and the full tax bill is due.
Qualified intermediaries are the third-party facilitators who hold the funds. In Colorado you have several reputable options, and a 1031-experienced real estate attorney can recommend one. Cost is usually $750 to $1,500 for a basic forward exchange, which is small compared to what you’re saving. Set this up before you list. Trying to bring an intermediary in mid-deal is how exchanges fail.
What Counts as a Valid Replacement
To fully defer your gain, the replacement property has to satisfy two equal-or-greater tests. The purchase price has to equal or exceed your sale price, and you have to take on equal or greater debt. If either number comes in lower, the difference is called boot, and boot is taxable in the year of the exchange.
So if you sold a Parker rental for $625,000 with a $200,000 mortgage, your replacement needs to cost at least $625,000 and carry at least $200,000 in financing. You can pick up to three properties without restriction, or more under the 200% rule, as long as the total fits the math. Many of my investor clients use the exchange to trade one labor-intensive property for two or three smaller ones, or to consolidate several into a single larger asset that’s easier to manage.
Why Colorado Is a Good Place to Use One
Colorado doesn’t have a state-level rule that overrides the federal 1031 treatment, so your state capital gains tax also gets deferred. With Colorado’s flat state income tax rate sitting at 4.4% as of the most recent revision, that’s a meaningful number on top of the federal deferral. The Colorado Department of Revenue’s individual income tax guide confirms the state conforms to federal treatment of 1031 exchanges.
The other reason it works well here is appreciation. A lot of Colorado investors bought rentals in the 2014 to 2020 window when prices were significantly lower, and the embedded gain on those properties is large. Without a 1031, selling means writing a check for federal capital gains, state tax, depreciation recapture at 25%, and the 3.8% net investment income tax for higher earners. Those costs can easily eat 30 to 35% of the gain. Deferring that lets you keep the full equity working in the next property.
Common Situations Where a 1031 Makes Sense
Trading up from one rental to two or three. Moving out of an older, maintenance-heavy property into something newer. Consolidating scattered properties into a single larger asset. Repositioning from a slow-appreciation area into a stronger market. Shifting from active management into a more passive structure like a Delaware Statutory Trust.
It does not make sense if your gain is small, if you don’t actually want another investment property, or if you’re planning to convert the new property to personal use within the next two years. The IRS has tightened the rules on converting 1031-acquired property to a primary residence, and the safe-harbor period is now at least 24 months of bona fide rental use after the exchange closes.
What to Do Before You List
Talk to your CPA about your basis, your depreciation history, and what your actual tax bill would look like if you sold outright. That gives you the number you’re trying to defer. Get a qualified intermediary lined up. Then start identifying potential replacement properties, even informally. The 45-day clock is unforgiving, and the best investment properties in this market don’t sit long enough for you to start looking after closing.
If you’re thinking about a 1031 exchange on a Colorado investment property, I’m always happy to talk through the timing, what’s available in the market right now, and how to structure the transition. The strategy works, but the execution is detail-heavy. No pressure, no pitch.
Prerna Kapoor | REALTOR® | Luxury Home Specialist
REAL Brokerage | 720-949-5450 | info@prernakapoor.com
CLHMS • RENE • PSA • ABR | International Sterling Society Award Winner
Prerna specializes in residential real estate across Parker, Aurora, Lone Tree, Castle Pines, Highlands Ranch, Cherry Creek, Greenwood Village, and Centennial. She speaks English, Japanese, and Hindi.
