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Understanding

Escrow Accounts in Montana, and Why Your Payment Changes After Year One

The rate is fixed. The escrow account is not. What an annual analysis does, and the two Montana line items that move it.

The short answer

Your lender collects taxes and insurance monthly and pays them when due. At closing those amounts are estimates. Once the first real tax bill and insurance renewal land, the servicer re-runs the analysis, and in Montana the two most common causes of a jump are a reassessment and a wildfire-driven insurance increase.

Last reviewed September 2026 · 7 min read

The call comes in month thirteen or fourteen, and it is always some version of the same sentence: "I have a fixed-rate mortgage. Why did my payment go up?"

The rate did not change. The escrow account did.

What an escrow account is

Your servicer collects property taxes and homeowners insurance from you monthly, holds the money, and pays the bills when they come due. You send one payment; they split it four ways.

The reason this exists is not your convenience. It is the lender's collateral protection. Unpaid property taxes become a lien that sits ahead of the mortgage, and an uninsured house that burns down is a total loss to whoever holds the note. Escrow removes both risks by taking the timing decision away from the homeowner.

The consequence is that two of the four numbers in your payment are set by parties who have never heard of you: your county's taxing districts and your insurance carrier.

Everything at closing is an estimate

At closing your servicer does not know your tax bill. It has not been issued yet for the year you are buying into, and even if it had been, the seller's bill is not necessarily yours.

So they estimate. Typically from the prior year's taxes, sometimes from a flat percentage of the purchase price. Then they collect one-twelfth of that estimate per month.

Estimates are how the year-two surprise gets built.

[keyfact] A first-year escrow estimate based on the seller's prior-year tax bill is not a forecast of your bill. If the property is reassessed after the sale, or the seller carried a reduced rate you have not applied for, the real bill arrives higher and the escrow account is short before the first analysis is even run. [/keyfact]

The annual escrow analysis

Once a year the servicer re-runs the math. They look at what actually got paid out over the prior twelve months, project the next twelve, compare that to what is in the account, and adjust.

Federal rules, specifically RESPA, let them hold a cushion, capped at two months of escrow payments, as a buffer against exactly this kind of variance. They also require the analysis and a written statement showing you the arithmetic. When one arrives, read it. It shows the actual disbursements, which is the fastest way to see what moved.

Three outcomes:

Balanced. Rare and boring. Payment stays roughly the same.

Surplus. They collected too much. If the surplus is $50 or more, they refund it to you, typically by check within 30 days.

Shortage. They collected too little. Your payment goes up for two separate reasons at once, and this is the part that catches people.

Why a shortage raises your payment twice

Say your taxes came in $1,200 higher than projected.

First, the account is behind by roughly that amount and has to be made whole. Second, the going-forward monthly collection has to rise to cover the new, higher annual bill.

You have two options on the first part, and the servicer will usually let you choose:

Pay the shortage as a lump sum. You write a check for the gap. Your monthly payment still rises to cover the new annual amount, but only by the ongoing increase.

Spread it over twelve months. The default if you do nothing. Your payment rises by the ongoing increase plus one-twelfth of the shortage.

The second option makes the year-two payment look alarming, and then the payment drops the following year once the shortage portion falls off, assuming nothing else moved. People who do not understand this see the drop as a mystery too.

If you can absorb it, paying the shortage as a lump sum is usually the cleaner choice. It gets the payment to its real steady-state number, which is the number you actually need to budget around.

The two things that move it in Montana

Property taxes. Montana's residential class rates changed for 2026 and are now tiered by value, and the reassessment cycle means a property's assessed value can jump between one bill and the next. Both feed straight into escrow. The mechanics are in Montana's tiered property tax rates and what they do to your payment.

Insurance. Wildfire risk pricing in western Montana has been the more violent of the two lately. Renewal premiums in the wildland-urban interface have moved sharply, and a carrier non-renewal that forces you into a more expensive replacement policy hits the escrow account the same way a tax increase does. This is not a hypothetical for properties in the Bitterroot, the Flathead, or the canyons outside Missoula and Bozeman.

The missed homestead application shows up here

This is the Montana-specific escrow trap and it is worth stating plainly.

Montana's reduced homestead property tax rate requires an application if you bought a home and did not receive the 2025 rebate on it. The deadline is March 1, 2026. Without approval, the property is taxed at the standard 1.90% residential rate instead of the reduced tiered rate that starts at 0.76%.

That is not a rounding error. It is a materially larger tax bill, and the first place a new homeowner encounters it is the escrow analysis: as a shortage, plus a permanently higher monthly collection, arriving roughly a year after they could have prevented it with a form.

If you bought a Montana home this year, read the homestead deadline article and go apply. It is the single highest-value thing on this page.

Can you pay taxes and insurance yourself?

Sometimes. Escrow waivers are commonly available on conventional loans with 20% or more equity, occasionally for a small fee or rate adjustment. FHA, VA and USDA loans generally require escrow, and some investor guidelines require it regardless of equity.

The honest case for waiving: you keep the money in your own account and earn something on it, and you control the timing.

The honest case against: you have to produce a large tax payment and an annual premium on schedule, from reserves, every year, forever. The downside of getting it wrong is a tax lien and a lapsed policy, and lenders can force-place insurance at rates that make retail look generous.

Waive it if you are the sort of person who has never missed a bill and keeps a real cash reserve. Otherwise let the servicer do it.

Will it ever go back down?

Yes, in two situations.

If the increase was driven by a one-time shortage that you spread over twelve months, the payment drops next year once that portion clears.

If your taxes or insurance genuinely decrease (a successful assessment appeal, a homestead approval that finally lands, or shopping your insurance to a cheaper carrier), the next analysis picks it up and lowers the collection. Insurance is the one you control. Shop it at renewal rather than letting it auto-renew, and send the new declarations page to your servicer.

What will not lower it: calling and asking. The analysis is arithmetic on real bills, not a negotiation.

Two inputs drive most Montana escrow surprises, and both are geographic. Assessed values in the western counties have moved hard (see the Missoula and Flathead market pages for the price levels behind those assessments), and wildfire-driven insurance pricing in the same areas can reset the other half of the account in a single renewal.

The short version

Your first-year payment quote is an estimate wearing a suit. Budget for the real one, apply for the homestead rate if you bought this year, get an actual insurance quote before you waive your inspection contingency, and read the escrow analysis when it shows up.

If you want to work through what your payment will actually look like, tell us about the property and we will run it with real assumptions rather than a placeholder tax rate.

Common questions

Why did my payment go up?

On a fixed-rate loan, almost always escrow. Your taxes or insurance came in higher than the estimate used at closing. The payment rises for two reasons at once: to make up the shortage in the account, and to collect the new, higher annual amount going forward.

What is an escrow shortage?

The gap between what the servicer collected and what the bills actually cost. You can usually pay it as a lump sum, or let it spread across twelve months. Spreading it makes year two look worse and year three better, because the shortage portion falls off once it is repaid.

Can I pay taxes and insurance myself?

Sometimes. Escrow waivers are commonly available on conventional loans with 20% or more equity. FHA, VA and USDA loans generally require escrow. The tradeoff is real: you keep the float, but you carry the risk of a tax lien or a lapsed policy if you miss.

How much cushion can they hold?

Federal escrow rules cap the cushion at two months of escrow payments. Servicers are also required to run an annual analysis and send you a written statement showing the actual disbursements, which is the fastest way to see exactly which line moved.

Will it go back down?

It can. If the increase was a one-time shortage spread over twelve months, the payment drops the following year. It also drops if your taxes or insurance genuinely decrease: a successful assessment appeal, a homestead enrollment that finally lands, or shopping your insurance at renewal.

Sources

Principal, interest, taxes, insurance and escrow, taken apart line by line.

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Bison Ventures LLC dba Bison Mortgage, NMLS #2257632. Equal Housing Lender. This article is general information, not a commitment to lend, an offer of credit, or a rate quote. Program terms, rates and limits change and are subject to underwriting approval.