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Mobile HomeResidential
$519,262$415 / ft²
TopHap EstimateOur estimate of what this home would sell for today, based on nearby sales, the home's size and features, and local price trends. It is a starting point, not an appraisal.· confidence 59How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $498,750 on Aug 22, 2025

1135 US HIGHWAY 89

SUN RIVER, MT 59483
2
Beds
2
Baths
1,252 ft²
Living AreaTotal finished area of the structures, from county records. Some counties include shared space like hallways or a building gym, so it may not match a listing.
20.53 ac
Lot SizeThe size of the land the home sits on, from county records.
1998
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
4
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$519K
$305K low$733K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$498,750 · Aug 22, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$857 (2026)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$134,497 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$123,076
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$134,497

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.25
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
59
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
68
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Mobile Home
StyleThe architectural style of the home, such as ranch or colonial.Mobile Home
CountyCASCADE
Lot (acres)The size of the land the home sits on, from county records.20.53
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 80 ft²Porch · 48 ft²

Transaction History(1)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Fort Shaw Elementary SchoolA-
Elementary · Grades PK–5 · 4.9 mi
M
Sun River Middle SchoolC+
Middle · Grades 6–8 · 9.5 mi
H
Simms High SchoolD-
High · Grades 9–12 · 9.6 mi

District: Sun River Valley Elementary School District

Neighborhood · ZIP 59483These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.

CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.103
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.105
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.65

Index scale: 100 = US average (tick). Lower is better.

Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.87%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.14%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.12%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.8%
PopulationHow many people live in this area.1,151
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.10 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$74,971
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$88,775
Average tempThe average temperature here across a full year.44°F
Annual precipHow much rain and melted snow falls here in a typical year.14 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.61%

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Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

How this home compares

1135 Us Highway 89 measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.

  • Worth more than 82% of homes in Cascade County
  • Costs more per square foot than 93% of homes in Cascade County
  • Has a bigger lot than 96% of homes in Cascade County
  • Newer than 83% of homes in Cascade County

What homes are worth in Sun River 59483

Each bar is how many homes fall in that price range. The marker is this home.

This home
$196K$1M

This home is worth more than 64% of homes in Sun River 59483.

How it measures up in Sun River 59483

The dot is this home. The mark in the middle is the typical home in Sun River 59483.

Estimated value$519,262
CheaperTypical $432,862Pricier

Pricier than 64% of homes nearby

Price per ft²$415
CheaperTypical $274Pricier

Pricier than 84% of homes nearby

Living area1,252 ft²
SmallerTypical 1,440 ft²Bigger

Bigger than 37% of homes nearby

Lot size20.53 ac
SmallerTypical 10.07 acBigger

Bigger than 63% of homes nearby

Year built1998
OlderTypical 1976Newer

Newer than 77% of homes nearby

How 1135 Us Highway 89 ranks against every home in each area.
MeasureThis homeSun River 59483Cascade County
Estimated valuepricier than$519,26264% of homes82% of homes
Price per ft²pricier than$41584% of homes93% of homes
Living areabigger than1,252 ft²37% of homes52% of homes
Lot sizebigger than20.53 ac63% of homes96% of homes
Year builtnewer than199877% of homes83% of homes

About 1135 Us Highway 89

How much is 1135 Us Highway 89, Sun River, MT worth?

The TopHap Estimate for 1135 Us Highway 89, Sun River, MT is $519,262 as of Jul 14, 2026. The likely range is $305,212 to $733,312. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1135 Us Highway 89, Sun River, MT last sell?

1135 Us Highway 89, Sun River, MT last sold on Aug 22, 2025 for $498,750, according to the county's recorded deed.

How big is 1135 Us Highway 89, Sun River, MT?

1135 Us Highway 89, Sun River, MT has 2 bedrooms, 2 bathrooms, 1,252 square feet of living space and a 20.53-acre lot.

When was 1135 Us Highway 89, Sun River, MT built?

1135 Us Highway 89, Sun River, MT was built in 1998, making it 28 years old. It is a mobile home home. The building has 1 story.

What schools serve 1135 Us Highway 89, Sun River, MT?

1135 Us Highway 89, Sun River, MT is assigned to Fort Shaw Elementary School (elementary), rated A-; Sun River Middle School (middle), rated C+; Simms High School (high), rated D-. All sit in Sun River Valley Elementary School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 1135 Us Highway 89, Sun River, MT compare to other homes in Sun River 59483?

Among the 186 homes in Sun River 59483, it is worth more than 64% of them ($519,262 against a typical $432,862), its price per square foot is higher than 84% of them ($415 against a typical $274), it is bigger than 37% of them (1,252 ft² against a typical 1,440 ft²), its lot is bigger than 63% of them (20.53 ac against a typical 10.07 ac) and it is newer than 77% of them (1998 against a typical 1976). Measured against all of Cascade County, it is worth more than 82% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 1135 Us Highway 89, Sun River, MT?

The 2026 property tax bill for 1135 Us Highway 89, Sun River, MT was $857. The county assessed it at $134,497.

More homes on Us Highway 89

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Assigned schools

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