1031 Exchange Planning for Wealthy Real Estate Investors

What a 1031 exchange does — and doesn't — do

Under IRC § 1031, when you sell investment real property and reinvest the proceeds in another qualifying property, federal capital gains tax is deferred — not eliminated. Your basis carries over into the new property. When you eventually sell without exchanging, all deferred gain becomes taxable.

The strategic value is the time value of the deferral. A $350,000 tax bill deferred for 10 years and invested at 6% grows by $277,000 — which, if the property is held until death and passes to heirs with a stepped-up basis, converts to a permanent elimination. That's the "swap till you drop" strategy (more on this below).

The four rules you must follow

1. Like-kind real property only

Since the Tax Cuts and Jobs Act (2017), § 1031 applies exclusively to real property used in a trade or business or held for investment. "Like-kind" for real estate is very broad — you can exchange a single-family rental for a strip mall, or a raw land parcel for an apartment building. What doesn't qualify:

• Your primary residence or a second home used primarily for personal use
• Real estate held as inventory (dealer property)
• Foreign real property (U.S.-for-U.S. only)²

2. Qualified Intermediary (QI) — you cannot touch the money

A QI (also called an accommodator or exchange facilitator) must take legal assignment of the sale proceeds at closing. You cannot receive the funds directly — even briefly — without triggering a taxable event. Choose a QI early: your attorney, accountant, or real estate agent cannot serve as QI if they've worked for you in the past two years.²

3. The 45-day identification window

From the closing date on your relinquished property, you have exactly 45 calendar days to identify replacement properties in writing to your QI. The identification rules:

• 3-property rule: Identify up to 3 properties of any value.
• 200% rule: Identify any number of properties, provided their combined fair market value doesn't exceed 200% of the relinquished property's value.
• 95% rule: Identify any number of properties, but you must close on 95%+ of identified FMV (rarely useful).

The 45-day window is a hard deadline. No extensions are granted for market conditions, deal failures, or personal circumstances.²

4. The 180-day closing window

You must close on the replacement property within 180 days of your relinquished property sale (or the due date of your tax return with extensions, if earlier). This deadline is also fixed — the IRS grants no extensions except in presidentially declared disasters.²

Boot: what happens if you don't exchange everything

If you don't reinvest all equity — for example, you pocket $100,000 in cash from closing, take out a smaller mortgage on the replacement property, or receive other non-like-kind property — the excess is called boot. Boot is taxable in the year of the exchange, up to the amount of your realized gain. The IRS matches boot against gain in this order: ordinary income first, then capital gain.

The depreciation recapture trap (and how 1031 handles it)

Straight-line depreciation on residential rental property (27.5 years) and commercial property (39 years) reduces your adjusted basis, building up what the IRS calls unrecaptured § 1250 gain. When you sell, this portion of your gain is taxed at a maximum 25% federal rate — plus 3.8% NIIT if your MAGI exceeds $250,000 MFJ. At the $2M–$20M wealth level, the combined rate on recapture is 28.8%.

A 1031 exchange defers recapture just like it defers LTCG. The accumulated depreciation on the relinquished property reduces the basis of the replacement property, and the recapture clock continues running — but no tax is owed until the replacement is sold outside of a § 1031 exchange (or until death, at which point it disappears with the step-up).

Calculate your tax deferral

Delaware Statutory Trusts (DSTs): the passive 1031 solution

One of the biggest practical challenges with a 1031 exchange is finding a replacement property, executing due diligence, and closing — all within 180 days. For $2M–$20M real estate investors who don't want to be active landlords, a Delaware Statutory Trust (DST) is a widely used solution.

A DST is a fractional ownership structure where you buy a beneficial interest in a professionally managed institutional property (large apartment complexes, net-lease portfolios, industrial, etc.). The DST interest qualifies as "like-kind" real property for 1031 purposes under IRS Rev. Rul. 2004-86.³

DSTs are securities sold under Regulation D and require accredited investor status: net worth exceeding $1M excluding primary residence, or income above $200,000 (individual) / $300,000 (joint) for the past two years. At the $2M–$20M wealth level, most investors qualify on net worth alone.

Key risk: DST investors cannot actively manage or refinance the property, make major improvements, or take back cash. These "seven deadly sins" rules are fixed by the trust structure. DSTs also charge sponsor fees (typically 8–12% load) that reduce effective returns. Model the total return carefully against alternatives before committing.

Swap till you drop: the estate planning angle

The most powerful use of § 1031 isn't just deferral — it's permanent elimination through estate planning. When a real estate investor dies holding appreciated property (whether original or a 1031 replacement), IRC § 1014 provides a step-up in basis to fair market value at the date of death.⁴ All deferred gain — including decades of accumulated § 1250 recapture — disappears entirely for income tax purposes.

This means a $2M property with a $400K adjusted basis and $400,000 in deferred gain becomes a property with a $2M basis in the hands of heirs. They inherit no income tax liability. Combined with the OBBBA's permanent $15M per-person estate exemption ($30M for married couples), most $2M–$20M families will owe no estate tax either — making 1031 + hold-to-death the dominant strategy for real estate with large embedded gains.

Reverse exchanges and improvement exchanges

Reverse exchange: You acquire the replacement property before selling the relinquished one. The IRS allows this under Rev. Proc. 2000-37 through an Exchange Accommodation Titleholder (EAT) — a special-purpose entity that holds title to either the replacement or relinquished property until the exchange is complete. The same 45-day identification and 180-day close windows apply, running from the EAT's acquisition date. Reverse exchanges are expensive (the EAT structure requires specialized legal work) but useful when you find the right replacement before your sale is ready.

Improvement (build-to-suit) exchange: If the replacement property needs significant improvements to match your equity, a qualified exchange accommodation arrangement lets you use exchange proceeds to fund construction before taking title. Again, all improvements must be substantially complete within 180 days from the relinquished sale. Excess funds at day 180 become boot.

Five mistakes that blow the exchange

1. Receiving proceeds directly. If the check goes to you — even for a single day — the exchange fails. The QI must hold funds from day one.
2. Missing the 45-day deadline. The IRS has no provision for extensions based on deal failure, title issues, or unavoidable delays. If you can't close in time, identify backup properties immediately.
3. Underestimating closing costs as boot. Closing costs paid from exchange proceeds reduce what's reinvested and can create inadvertent boot. Work through the numbers with your QI before closing on the replacement.
4. Related-party pitfalls. Exchanging into property owned by a family member triggers § 1031(f) anti-abuse rules that can disqualify the exchange unless both parties hold the properties for at least two years.
5. Vacation home misclassification. A second home you also rent out can qualify — but only if rental use exceeds personal use in the two years before the exchange, and personal use doesn't exceed 14 days or 10% of days rented (whichever is greater).

When a fee-only advisor adds value here

A 1031 exchange is primarily a legal and tax execution — your attorney, CPA, and QI handle the mechanics. But an advisor who understands your full financial picture adds value in three specific ways:

• Asset allocation: Does it make sense to keep concentrating wealth in real estate, or would a partial sale + tax payment + diversification into stocks better serve your long-term goals? The swap-till-you-drop strategy is tax-optimal but may not be wealth-optimal.
• Estate coordination: Matching 1031 strategy to your estate plan — particularly if the $15M exemption doesn't fully shelter your estate — requires coordinated planning across real estate, trust, and tax advisors.
• DST due diligence: Fee-only advisors (who don't receive commissions) can objectively evaluate whether a specific DST's sponsor, fee load, and projected return are competitive with direct property alternatives.

Sources

1. Legal1031: OBBBA and 1031 Exchanges — Section 1031 was preserved intact in the One Big Beautiful Bill Act (2025); Biden-era proposals to cap deferrals at $500,000 were not enacted. No dollar limit, income limit, or use-frequency restriction applies as of 2026.
2. IRS: Like-Kind Exchanges — Real Estate Tax Tips — IRC § 1031 rules: 45-day identification window, 180-day closing window, qualified intermediary requirement, and like-kind definition for real property (investment/business use only, U.S. for U.S.).
3. IRS Rev. Rul. 2004-86 — DST beneficial interests qualify as like-kind real property for § 1031 purposes, provided the trust meets specific passive-ownership requirements.
4. IRS Topic 703: Basis of Assets — IRC § 1014 stepped-up basis at death: inherited property takes a basis equal to fair market value at the decedent's date of death, eliminating all deferred capital gain and § 1250 recapture for income tax purposes.

Tax values verified as of May 2026. § 1031 rules: IRS and legal1031.com. LTCG rates: Tax Foundation 2026 brackets. § 1250 unrecaptured gain rate: IRS Pub. 544. NIIT threshold: IRS Topic 559 (not inflation-indexed). OBBBA provisions: IRS.gov and legal1031.com. Consult a qualified tax professional for your specific situation.