Does Montana recognize 1031 exchanges?
Yes. A Montana 1031 exchange works the same way it does federally, because Montana computes income tax starting from federal income and follows Section 1031 of the Internal Revenue Code. When the IRS treats gain as deferred, Montana does too.
The stakes are lower than in high-tax states but still real. Montana taxes net long-term capital gains at 4.1% once ordinary income fills the small 3.0% slice, so on a $1,000,000 gain the Montana share is about $41,000. Deferring it, along with federal tax at up to 20% plus 25% on depreciation and the 3.8% investment income tax, keeps far more money working in the next property.
Federal 1031 rules that apply in Montana
Montana adds no deadlines of its own, so the federal clock runs the exchange. You have 45 days from the sale closing to identify replacement property in writing and 180 days, or your tax return due date if earlier, to close on it. Both properties must be real property held for investment or for use in a business, and a qualified intermediary must hold the sale proceeds so that you never have access to them.
To defer all of the gain, buy replacement property of equal or greater value and reinvest all of the net cash. Cash you keep, or debt that goes away without being replaced, is boot, and the IRS and Montana both tax it in the year of the sale. Our guide to 1031 exchange rules covers identification and boot in detail, and the complete 1031 exchange guide explains the process from listing to closing.
Montana’s 1031 clawback: Rule 42.2.308
Montana keeps its claim on gain from Montana property even after you exchange into another state. Administrative Rule of Montana 42.2.308 says gain realized on the transfer of Montana real or tangible property keeps its Montana-source character. When Montana property is given up in a Section 1031 exchange, the Montana-source income is generally the gain realized on federal Form 8824, and the deferred part must be reported to Montana if and when it is recognized for federal purposes.
Two limits keep the rule fair. The Montana-source income you report can never exceed the gain recognized on your federal return in that year. And if your Montana building was itself acquired in an earlier exchange for out-of-state property, the gain deferred from that earlier exchange is not Montana-source income.
The rule is titled for nonresidents, and it matters most to owners who leave. A Montana resident already pays Montana tax on all income. An owner who exchanges a Bozeman building for one in Boise, then moves to Washington and sells the Boise building years later, still owes Montana on the deferred Montana gain. Montana stands with California, Massachusetts and Oregon as one of the four states with a rule of this kind.
| Exchange path | Montana claim on deferred gain? | When Montana collects |
|---|---|---|
| Montana property to Montana property | Yes, the gain stays in a Montana building | When the replacement is sold in a taxable sale |
| Montana property to out-of-state property | Yes, under Rule 42.2.308 | When the deferred gain is recognized federally, even after a move |
| Out-of-state property to Montana property | Only on gain that builds up after the exchange | When the Montana property is sold |
How the rule’s own examples work
Rule 42.2.308 explains itself with an exchange into Wyoming. Montana land worth $100,000 with a $10,000 basis is traded for $90,000 of Wyoming property plus $10,000 cash, with $2,000 of exchange costs. The $88,000 realized gain is all Montana-source income: $8,000 is taxed in the year of the exchange because of the cash, and $80,000 is deferred.
If the Wyoming property later sells with a federal gain of $140,000, the full $80,000 of deferred Montana-source income goes on the Montana return. If it sells for less and the federal gain is only $50,000, Montana gets $50,000, because the Montana amount cannot exceed the federal recognized gain. The rule’s third example shows the exclusion for prior exchanges: when the Montana property had come from an Oregon exchange that deferred $50,000, Montana-source income drops from $88,000 to $38,000.
Montana withholding at closing and how an exchange affects it
Montana’s 2025 Form 2 instructions describe state withholding on wages, pensions and IRA payments and on certain mineral royalties, and say nothing about withholding on real estate closings. Confirm with your title company what it will collect, but most individual sellers should expect the Montana tax to be settled on the return, not at the closing table.
Entities are different. A partnership, S corporation or disregarded entity must withhold Montana tax on a nonresident owner’s Montana-source share of $1,000 or more, unless the owner has signed Form PT-AGR, is included in a composite return or the entity has made the pass-through entity tax election. In a full exchange the entity recognizes no gain, so there is no gain to pass through. Boot is recognized and flows to the owners, and the withholding rules then apply to their shares.
Does Montana regulate qualified intermediaries?
No. Montana is not one of the nine states with a law that licenses or bonds exchange facilitators. Those states are California, Colorado, Connecticut, Idaho, Maine, Nevada, Oregon, Virginia and Washington. A Montana owner who exchanges into Idaho or Washington may still deal with an intermediary that follows one of those states’ rules.
Without a state law, your protection comes from the contract and the intermediary’s own practices. Ask for its fidelity bond and errors and omissions coverage in writing, whether your money sits in a segregated account in your name or a pooled account, who must sign to move funds and whether you get statements. The intermediary cannot be someone who acted as your agent in the past two years, such as your attorney, CPA, employee or broker. Our guide to choosing a 1031 qualified intermediary covers fees and contract terms.
Common 1031 exchange paths for Montana owners
Most Montana exchanges follow one of three paths.
Montana to Montana keeps everything simple. An owner who trades a fourplex portfolio in Great Falls for a larger building in Billings or Kalispell defers both taxes and has no out-of-state reporting to track.
Montana to another state is common for owners chasing larger markets or retiring elsewhere, often to Idaho, Washington, Arizona or Wyoming. It works, but Rule 42.2.308 means the Montana gain follows you, and you will owe Montana when the replacement is sold in a taxable sale.
Another state into Montana brings only future appreciation under Montana tax. A seller coming from a clawback state such as California or Oregon still owes that state’s filings on the gain deferred there.
Worked example: a Montana exchange into Idaho
A married couple living in Bozeman sells a 16-unit building for $2,000,000. After $90,000 of selling costs and with an adjusted basis of $700,000, the realized gain is $1,210,000. They take $60,000 in cash at closing and send the rest of the net proceeds to their intermediary, then buy a $2,200,000 building in Coeur d’Alene with the exchange funds and a new loan.
The $60,000 is boot, so $60,000 of gain is recognized and $1,150,000 is deferred. Their Montana ordinary taxable income already exceeds the $95,000 joint threshold, so Montana taxes the boot at 4.1%: $2,460. At today’s 4.1% rate, the Montana tax deferred is about $47,150.
Five years later they have moved to Spokane and sell the Idaho building with a federal gain of $1,500,000. Under Rule 42.2.308, they report $1,150,000 of deferred Montana-source income on a Montana nonresident return, since that is less than the federal gain. Had the federal gain on that later sale been only $900,000, Montana would get $900,000.
| Item | Amount |
|---|---|
| Sale price | $2,000,000 |
| Realized gain | $1,210,000 |
| Cash boot taken | $60,000 |
| Gain deferred | $1,150,000 |
| Montana tax on boot (4.1%) | $2,460 |
| Montana tax deferred (4.1%) | $47,150 |
| Montana-source income reported on the later sale | $1,150,000 |
Timeline tips for a Montana exchange
Line up the replacement before the 45 days start, especially if you are buying in another state. Owners who leave Montana often need to tour buildings in an unfamiliar market inside that window, and an identification list with three candidates gives you a fallback if the first deal falls apart.
- Sign the exchange agreement and assign the sale contract before closing.
- If you sell late in the year, extend your return so the due date does not cut the 180 days short.
- Keep your Form 8824 and closing statements with the replacement property’s records for as long as you own it.
- If the relinquished building was enrolled at Montana’s long-term rental property tax rate, tell the buyer, since the rate does not carry over automatically.
- Track the deferred Montana gain if you move away, so the Montana nonresident return is ready when the replacement sells.
Selling a Montana apartment building as part of an exchange
Skyline buys apartment buildings with five or more units in Montana. We buy directly, close on your timeline, and can work inside 1031 deadlines. We work with your intermediary on the contract assignment and can set a closing date that leaves you room to find the replacement first.
For the tax you would owe without an exchange, see Montana capital gains tax on real estate. The 1031 exchange calculator runs the federal side with your own numbers.
Selling? Spread the tax with seller-carry terms
If a large tax bill is what is keeping you from selling, an installment sale may help. When you carry part of the price as a note, the gain is generally reported as you receive payments instead of all in the year of sale. Some parts of the gain, such as certain depreciation recapture, can still be due up front, so run the numbers with your CPA first.
Skyline Capital Investments buys apartment buildings with five or more units and can offer seller-carry terms, or a delayed closing that fits your 1031 timeline. Send the address and unit count and we typically respond within 48 hours. How seller financing works · How an installment sale is taxed · Seller financing calculator.
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