What Are the Property Tax Changes Montana Buyers Should Expect in 2026?
Montana rewrote the property tax rules. If you are buying land or a home here, the new system changes what you will owe and how you plan for it.
If you are looking at property in Montana right now, the tax picture is different from what it was two years ago. The 2025 Montana Legislature passed two major bills, , that fundamentally restructured how residential and commercial property is taxed in this state. The changes rolled out in phases. The 2025 tax year introduced graduated rates and a one-time rebate. The 2026 tax year added a homestead system that separates primary residences from second homes.
For buyers, particularly out-of-state buyers looking at ranch land, second homes, or investment property in Park County, the differences matter. What you pay in property taxes now depends on what the property is, how you use it, and whether you qualify for the new homestead rate.
The short answer: Montana's 2026 property tax system uses graduated rates that favor primary residences and long-term rentals. If you buy a home and live in it at least seven months a year, you will likely pay less than under the old system. If you buy a second home, a vacation property, or a short-term rental, you will pay a flat 1.90% rate on the full assessed value, which is significantly higher than what homestead-qualified properties pay on the same value. For buyers of agricultural land, the tax rate dropped slightly, but reappraisal values went up.
What Changed in Montana Property Taxes in 2025 and 2026?
Montana introduced a graduated property tax system for residential and commercial property starting in 2025, replacing the old flat-rate structure. The changes came through two bills signed into law by Governor Gianforte: .
2025 changes (already in effect): The legislature introduced three residential tax brackets based on market value. The rate was 0.76% on the first $400,000 of value, 1.10% on value between $400,000 and $1.5 million, and 2.20% on value above $1.5 million. There was also a one-time property tax rebate for primary residences, which the distributed to qualifying homeowners.
2026 changes (current year): The system now separates properties into two categories: homestead (primary residences and long-term rentals) and non-homestead (second homes, vacation properties, short-term rentals). Homestead properties receive graduated rates that are lower than the flat rate. Non-homestead properties pay the flat 1.90% rate on full assessed value. The has the current details.
The practical effect: Montana's property tax system now actively distinguishes between people who live here and people who own property here but live somewhere else. That distinction has real dollar consequences.
What Are the 2026 Homestead Tax Rate Brackets?
The homestead rate uses a graduated structure tied to the statewide median residential value, which the Montana Department of Revenue has set at approximately $395,400 for the current cycle.
Here is how the works for 2026:
First bracket (up to the statewide median, approximately $395,400): 0.76% tax rate.
Second bracket (from the median to two times the median, approximately $395,400 to $790,800): 0.90% tax rate.
Third bracket (from two times the median to four times the median, approximately $790,800 to $1,581,600): 1.10% tax rate.
Fourth bracket (above four times the median, above approximately $1,581,600): 1.90% tax rate.
These brackets are incremental, not marginal cliffs. A home assessed at $600,000 pays 0.76% on the first $395,400 and 0.90% on the remaining $204,600. You do not jump to the higher rate on the entire value.
For a property that does not qualify as a homestead (second homes, vacation properties, short-term rentals), the rate is a flat 1.90% on the entire assessed value. No brackets. No graduated relief.
To put that in perspective: a $500,000 primary residence with homestead status would have a taxable value calculated at the blended graduated rate. The same $500,000 property used as a second home would be taxed at 1.90% across the board. According to , the average non-homestead property could see a tax increase of roughly 68% compared to what it would pay under the homestead rate.
How Do You Qualify for the Homestead Rate?
The homestead rate is not automatic. You must apply, and there are specific requirements.
To qualify for the , you must meet all of the following:
You own the property as an individual, a couple, or through a grantor revocable trust. LLCs and other business entities do not qualify.
You live in the home as your primary residence for at least seven months during the tax year.
You are current on your property tax payments.
How to apply: You can enroll online at or submit a paper application to the Montana Department of Revenue. The deadline for 2026 was March 20, 2026 (the Department of Revenue extended the original March 1 deadline). For 2027 and future years, watch the for updated deadlines.
Automatic enrollment: If you received the 2025 property tax rebate and have not changed ownership or moved, you were automatically enrolled for the 2026 homestead rate. New buyers who purchased after the rebate period must apply separately.
Long-term rentals also qualify. If you own a residential property and rent it on long-term leases (28 days or longer per tenant) for at least seven months of the year, the property can qualify for the homestead rate. This does not apply to Airbnb-style short-term rentals.
For buyers: if you purchase a Montana home in 2026 and plan to make it your primary residence, apply for the homestead rate as soon as you close. Missing the enrollment deadline means paying the higher non-homestead rate for that tax year.
What Does This Mean for Out-of-State Buyers?
This is where the new system hits hardest. If you are buying property in Montana but will not live there as your primary residence for at least seven months a year, you will pay the non-homestead rate: a flat 1.90% on the full assessed value.
This affects several common buyer profiles in Park County:
Second-home buyers. If you are purchasing a home in Paradise Valley as a vacation property or seasonal residence, and you maintain a primary residence in another state, your Montana property will be taxed at the non-homestead rate. There is no partial credit for spending summers here.
Short-term rental investors. If you are buying a cabin or house to operate as a short-term rental (Airbnb, VRBO), the property does not qualify for the homestead rate. The seven-month occupancy requirement applies to the owner or to long-term tenants, not to a rotation of short-stay guests.
Corporate or LLC buyers. If the property is held in an LLC, corporation, or trust that is not a grantor revocable trust, it does not qualify for the homestead rate regardless of how it is used.
Seasonal residents who spend less than seven months in Montana. If you split your year between Montana and Arizona and spend six months in each, you do not meet the seven-month threshold for the homestead rate in Montana.
The math matters. On a property assessed at $750,000, the difference between the blended homestead rate and the flat 1.90% non-homestead rate could amount to several thousand dollars per year in additional property taxes. Over a ten-year ownership period, that adds up.
For buyers who plan to relocate permanently to Montana, this is not a problem. You apply for the homestead rate, meet the residency requirement, and pay the lower graduated rate. But for buyers who want a piece of Montana without living here full-time, the cost of ownership just went up.
How Are Ranch and Agricultural Properties Taxed?
Agricultural land in Montana is taxed under a separate classification system, and the 2025 legislation made changes there as well.
Under , the tax rate for qualified agricultural property decreased from 2.16% to 2.05%. "Qualified agricultural property" means parcels of 160 acres or more, or smaller parcels that meet specific agricultural income requirements and have been approved by the Department of Revenue.
However, the reappraisal cycle updated agricultural land values to reflect January 1, 2024 market conditions. Even though the rate went down, the assessed values went up. The net result, according to , is that the typical annual tax bill for 1,000 acres of grazing land increased by about $39 (to $618), a 6.3% increase. For 1,000 acres of non-irrigated tillable farmland, the annual bill increased by about $173, or 5.2%.
Nonqualified agricultural property (parcels between 20 and 160 acres without approved agricultural use) is taxed at seven times the qualified rate, which dropped from 15.12% to 14.35%. This category often catches hobby ranches, ranchettes, and small acreage parcels that are not actively farmed.
For buyers looking at ranch land in Park County, the distinction between qualified and nonqualified agricultural property matters. A 40-acre parcel with a house, a barn, and some hay ground might be split into residential (the house and homesite) and agricultural (the productive land) components, each taxed at a different rate. The explains the classification requirements.
The DOR also publishes the , which details how different land types (irrigated, non-irrigated, grazing, forestland) are valued across Montana.
What Is the Reappraisal Cycle, and How Does It Affect Your Tax Bill?
Montana reappraises all property on a two-year cycle. The current cycle, covering tax years 2025 and 2026, is based on .
The Department of Revenue estimated an average 20% increase in property values statewide for this cycle. That means even before the rate changes, many property owners saw higher assessed values. In Park County, where the , the reappraisal captured significant market appreciation from 2020 through 2023.
Your property tax bill is the product of two factors: the assessed value (set by the DOR reappraisal) multiplied by the tax rate (set by the new graduated system) and the local mill levy (set by the county, school district, and special districts). A lower rate on a higher assessed value can still produce a higher tax bill. And local mill levies can increase even when the state rate structure changes.
For Park County specifically: The county certifies mill levies each year for county services, the Livingston school district, and any applicable special districts (fire, water, Rural Improvement Districts). The explains how local levies are calculated. One mill equals $1 of tax per $1,000 of taxable value.
Can You Appeal Your Property Tax Assessment?
Yes, and the process has specific deadlines that buyers should know about.
When the DOR sends your classification and appraisal notice (which typically arrives in late spring or early summer of the reappraisal year), you have two options under the :
Informal review: Submit within 30 days of the date on your appraisal notice. This is a request for the DOR to review your property's classification, value, or both. If you miss the 30-day window, you can still submit until June 1 of the following year, but adjustments will only apply to the second year of the cycle.
Formal appeal to the County Tax Appeal Board (CTAB): You can bypass the informal review and appeal directly to the within 30 days of your appraisal notice. The appeal must be filed with the Park County Clerk and Recorder.
If either party disagrees with the CTAB decision, the next step is the (state level), and from there, judicial review.
Common grounds for appeal in Park County include: the DOR's comparable sales do not reflect your property's condition or location, the DOR classified your land in the wrong category (residential vs. agricultural), or the assessed value exceeds what the property would sell for in its current state.
If you just purchased a property, the purchase price is strong evidence of market value. If the DOR's assessment is significantly higher than what you paid in an arm's-length transaction, that is a reasonable basis for an informal review.
What Should Buyers Watch For in the Current Tax Environment?
Here are the practical issues that come up most often for buyers in Park County right now.
Verify the homestead status before relying on projected tax figures. If a listing agent quotes you a property tax figure, ask whether it reflects the homestead rate or the non-homestead rate. If the current owner lives there full-time and has homestead status, the taxes shown may be significantly lower than what you will pay as a second-home buyer.
Factor the non-homestead rate into your investment analysis. If you are buying a second home or short-term rental, use the 1.90% flat rate in your cash flow projections, not the graduated homestead rate.
Understand how agricultural classification works. If you are buying acreage with both a home and agricultural land, the property will be split into residential and agricultural components. Make sure you understand which portion is taxed at which rate. If the agricultural portion has not been approved by the DOR, it may be taxed at the much higher nonqualified rate.
Watch the reappraisal cycle timing. If you buy during a reappraisal year, the assessed value may change significantly from what the seller was paying. Ask the title company or the Park County Treasurer's office for the most current assessed value, not last year's.
Know the appeal deadlines. If you close on a property and receive a reappraisal notice, you have 30 days to file an informal review. Do not let that window pass without reviewing the assessment.
The Bottom Line
Montana's property tax system changed significantly in 2025 and 2026. The graduated homestead rate benefits full-time residents. The flat non-homestead rate increases the cost of second homes and short-term rentals. Agricultural land rates dropped slightly, but reappraisal values went up.
For buyers, the single most important thing to understand is whether the property you are purchasing will qualify for the homestead rate, and if not, what your actual tax obligation will be at the 1.90% non-homestead rate. That number should be in your budget before you make an offer, not discovered on your first tax bill.
Next Steps
If you are looking at property in Park County or anywhere in southwest Montana, take these steps before making an offer:
Ask your broker whether the current tax figures on the listing reflect the homestead or non-homestead rate.
Run the numbers using the to see what your specific property would owe under each classification.
If you plan to make the property your primary residence, apply for the homestead rate at as soon as you close.
If the assessed value seems high, review it with the and consider filing Form AB-26 within the appeal window.
Legacy Lands Real Estate can walk you through the due diligence for any property we show. Call us at (406) 848-9400.
Just a note, we are not accountants, so all of this should be confirmed with a licensed accountant.
Frequently Asked Questions
How much are property taxes in Park County, Montana?
Property taxes in Park County depend on the property's assessed value, its classification (residential homestead, non-homestead, agricultural, or commercial), and the local mill levy set by the county, school district, and special districts. The median home sale price in Park County was $575,000 in early 2026, and the statewide median residential value for the reappraisal cycle is approximately $395,400. Contact the Park County Treasurer for a specific estimate on any property.
What is the Montana homestead rate for property taxes?
The homestead rate is a graduated tax structure available to primary residences and long-term rentals. For 2026, the rate starts at 0.76% on value up to the statewide median (approximately $395,400), then increases to 0.90%, 1.10%, and 1.90% at higher value brackets. You must apply at homestead.mt.gov and live in the home at least seven months per year.
Do second homes pay higher property taxes in Montana?
Yes. Starting in 2026, properties that do not qualify for the homestead rate (second homes, vacation properties, and short-term rentals) pay a flat 1.90% tax rate on the full assessed value. This is higher than the blended rate paid by homestead-qualified primary residences at most value levels.
How does Montana tax agricultural land?
Qualified agricultural property (160 acres or more, or smaller parcels with approved agricultural use) is taxed at 2.05% for the 2025-2026 cycle. Nonqualified agricultural property (20 to 160 acres without approved agricultural use) is taxed at 14.35%. Agricultural land is valued based on its productive capacity, not its residential market value.
Can I appeal my Montana property tax assessment?
Yes. You can file an informal review (Form AB-26) with the Department of Revenue within 30 days of receiving your appraisal notice, or appeal directly to the County Tax Appeal Board within the same window. If you recently purchased the property, the sale price is relevant evidence of market value.
When does Montana reappraise property values?
Montana reappraises all property on a two-year cycle. The current cycle covers tax years 2025 and 2026, based on market values as of January 1, 2024. The Department of Revenue estimated an average 20% increase in property values statewide for this cycle.
Does Montana have a sales tax or estate tax?
Montana has no state sales tax and no estate or inheritance tax. It does have a state income tax with rates ranging from 4.70% to 5.65%. For property buyers comparing Montana to other western states, the absence of sales tax and estate tax can partially offset property tax costs.
What happens if I miss the homestead enrollment deadline?
If you miss the enrollment deadline, your property will be taxed at the non-homestead rate (flat 1.90%) for that tax year. You can apply for the following tax year when enrollment opens again. The DOR typically opens enrollment in late fall for the following tax year, with a deadline in early spring.
Legacy Lands Real Estate is a Montana brokerage with offices in Emigrant and White Sulphur Springs, specializing in ranch, land, and mountain properties across Park County and southwest Montana. Our team of brokers and agents, many of them multi-generational Montanans, brings firsthand experience in ranching, land stewardship, and rural property to every transaction. Every piece of land has its own history. We help buyers and sellers find the right match. Contact us at (406) 848-9400 or visit legacylandsllc.com.
Legacy Lands Real Estate
1106 West Park St., Suite 20 #169
Livingston, MT 59047
(406) 848-9400
legacylandsllc.com
