Real Estate Tax Calc
The case for the exchange
A 1031 defers recapture and capital gains tax, so 100% of your equity rolls into the next property instead of a chunk going to the IRS. Over several deals, that compounding is powerful.
The case for paying
Sometimes paying is smarter: if you want out of real estate, need liquidity, are in a low-income year, or can't find a suitable replacement within 45 days, forcing an exchange can cost more than the tax saved.
Run the numbers
Estimate the tax you'd defer with the 1031 calculator, then weigh it against the flexibility of paying now. The larger the deferred amount relative to your goals, the more the exchange favors you.
A side-by-side dollar example
Imagine you're selling a rental with a $250,000 gain — $100,000 of it depreciation recapture (taxed up to 25%) and $150,000 of appreciation (taxed at 15% long-term). Ignoring state tax and NIIT, paying now costs roughly $25,000 + $22,500 = $47,500, leaving about $202,500 of gain (plus your original equity) to reinvest.
With a 1031 exchange, that $47,500 stays invested. If your replacement property earns an 8% unlevered return, keeping $47,500 working generates about $3,800 of additional income in year one alone — and that figure compounds every year you keep deferring. Over a decade, the deferred tax dollars can add tens of thousands in extra growth. That compounding advantage is the entire mathematical case for the exchange.
The real question: deferral is an interest-free loan
Economists describe a 1031 exchange as an interest-free loan from the government. You don't erase the tax; you postpone it and get to invest the money you'd otherwise have sent to the IRS. The value of that loan depends on three things: how much tax you'd defer, how long you'll keep deferring, and the return you can earn on the deferred dollars. High gain, long horizon, and strong returns all tilt heavily toward the exchange.
The flip side: if you'll owe the tax again in two years when you sell the replacement without another exchange, the benefit is just two years of growth on the deferred amount — often not worth the fees and constraints. The strategy shines when you intend to keep exchanging.
When paying the tax is genuinely the smarter move
Several situations favor writing the check. You want out of real estate — for liquidity, diversification, retirement, or simplicity — and don't want to be forced into a replacement. You're in an unusually low-income year, where your capital-gains rate might even be 0% and recapture is taxed below the 25% cap, making the tax cheap now. You have capital losses or suspended passive losses to offset the gain. You can't find a suitable replacement within the 45-day window and don't want to overpay for a mediocre property just to complete an exchange.
Forcing a 1031 in any of these cases can cost more — in a bad purchase, in fees, or in opportunity cost — than the tax it saves.
The step-up in basis changes everything
The most powerful version of the exchange is "swap till you drop." If you keep exchanging and hold the final property until death, your heirs receive a stepped-up basis to fair market value under IRC § 1014. All the deferred capital gain and depreciation recapture can be permanently eliminated — never paid by anyone. This is why long-term investors with an estate-planning horizon lean so strongly toward deferral: the "someday" tax bill may never actually come due.
Other alternatives besides a straight exchange
The choice isn't strictly binary. A partial 1031 lets you pull out some cash (paying tax only on that boot) while deferring the rest. A Qualified Opportunity Fund can defer the gain and, after ten years, eliminate tax on the fund's own appreciation — with more flexibility on what you invest in. An installment sale spreads the gain over years to manage brackets. A Delaware Statutory Trust (DST) lets you complete a 1031 into passive, professionally managed real estate if you're tired of being a landlord but still want deferral. Each fits a different goal.
How to decide: a simple framework
Ask four questions. How large is the deferred tax? Small gains rarely justify the fees and hassle. What's your time horizon? Longer horizons magnify the compounding benefit. Do you have a good replacement lined up? No suitable property means don't force it. What's your exit plan? If you'll hold to death for the step-up, deferral is nearly always worth it; if you'll cash out soon, paying now may be cleaner. Run your specific numbers in the 1031 calculator before committing either way.
Don't forget depreciation recapture in the comparison
When you weigh paying tax now, remember the bill has two layers. The appreciation is taxed at long-term capital-gains rates (0/15/20%), but the depreciation you claimed over the years is unrecaptured Section 1250 gain, taxed at up to 25% — often a bigger slice than owners expect. On a property held a decade, accumulated depreciation can easily be six figures, and recapturing it at 25% plus state tax is a meaningful cost that a 1031 exchange defers along with the capital gain.
This tilts the math toward the exchange for long-held rentals: the more depreciation you've taken, the more tax you'd owe on a sale, and the more valuable deferral becomes. It also means the 'just pay the 15%' instinct understates the real tax on a depreciated rental — run both layers before deciding.
The hidden costs and risks of each path
Neither choice is free. The exchange carries qualified-intermediary fees ($750–$1,500+), a compressed 45-day search that can pressure you into a mediocre replacement, strict deadlines that fail the whole deferral if missed, and a lower carryover basis that means smaller depreciation deductions and a larger eventual gain on the replacement. Paying the tax costs you the tax dollars up front and the compounding they'd have earned, but buys total flexibility — you can diversify out of real estate, hold cash, or buy on your own timeline with no clock running.
Weigh the certainty of paying a known tax now against the constraints of deferral. For some investors, the freedom to buy the right property later — or nothing at all — is worth more than the tax saved.
How your time horizon and return assumptions drive the answer
The exchange's advantage is essentially compound growth on the deferred tax dollars, so two variables dominate: how long you'll keep the money deferred and what return you'll earn on it. Deferring $50,000 of tax for 20 years at an 8% return grows the benefit to well over $230,000 of value working for you; deferring the same amount for just 2 years adds only a few thousand. If your realistic hold is short or your expected return is modest, the exchange's edge shrinks toward the fees.
Run a simple present-value comparison: the after-tax proceeds you'd reinvest if you paid now, grown at your expected return, versus the full pre-tax equity rolled forward in an exchange, grown at the same rate but with the deferred tax due only when (and if) you finally cash out. The longer the horizon, the more decisively the exchange wins.
A decision worksheet you can run in ten minutes
Estimate four numbers and the choice usually becomes clear. (1) Total tax if you sell now — capital gain × your rate, plus depreciation × up to 25%, plus 3.8% NIIT and state tax. (2) Your expected annual return on reinvested equity. (3) Your intended hold before the next sale. (4) Your exit plan — cash out, keep exchanging, or hold to death. If (1) is large, (2) and (3) are healthy, and (4) is 'keep exchanging' or 'hold to death,' the 1031 wins comfortably. If (1) is small, you need liquidity, or you'll sell again soon, paying now is often the cleaner, lower-stress choice. The 1031 calculator below quantifies step (1) so you're deciding on real figures.
What happens to your basis and depreciation either way
The two paths leave you in very different positions on the next property. If you pay the tax, you buy the new property with a fresh, full cost basis — larger depreciation deductions going forward and a clean slate for a future sale. If you exchange, your old (lower) adjusted basis and deferred gain carry over into the replacement, so your ongoing depreciation is smaller and the built-in gain rides along until you eventually sell without exchanging. Neither is strictly better — it's a trade of a smaller tax bill now (exchange) for smaller deductions and a larger latent gain later. Factoring in these carryover effects, rather than just the headline tax saved, gives you the true, apples-to-apples comparison; the calculator's estimate of today's tax is the starting input for that fuller picture.
Frequently asked questions
Is a 1031 exchange always better?
No. It's best when you're staying in real estate and reinvesting fully. If you want liquidity or can't find a replacement in time, paying may be better.
Does a 1031 eliminate the tax?
No, it defers it. The gain carries into the replacement property.
Why is a 1031 exchange called an interest-free loan?
Because you keep and invest the tax dollars you'd otherwise pay now, without interest, until you eventually sell without exchanging — or never, if heirs receive a step-up in basis at your death.
Can a 1031 exchange ever eliminate the tax entirely?
Yes, indirectly. If you keep exchanging and hold the final property until death, your heirs get a stepped-up basis under IRC § 1014, which can permanently wipe out the deferred gain and recapture.
What if I only want to cash out part of my equity?
Use a partial 1031 exchange. You defer tax on the reinvested portion and pay tax only on the cash (boot) you take out.
Sources
Educational information and estimates only. Not tax advice. Tax rules change and vary by situation; consult a qualified tax professional before acting.