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Single Family ResidenceResidential
$192,312$130 / 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 80How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026

421 RIVER ST

FORT BENTON, MT 59442
4
Beds
2.5
Baths
1,484 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.
0.24 ac
Lot SizeThe size of the land the home sits on, from county records.
1991
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
8
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
4
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$192K
$154K low$231K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,852 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$394,300 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$88,189
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$306,111
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$370,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$394,300

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.64 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Modern
CountyCHOUTEAU
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.2000
Lot (acres)The size of the land the home sits on, from county records.0.24
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
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
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 · 192 ft²Shed · 80 ft²Patio · 192 ft²

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

E
Fort Benton SchoolA
Elementary · Grades PK–6 · 0.8 mi
M
Fort Benton 7-8B+
Middle · Grades 7–8 · 1.1 mi
H
Fort Benton High SchoolB-
High · Grades 9–12 · 1.1 mi

District: Fort Benton Elementary School District

Neighborhood · ZIP 59442These 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.108
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.100
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.34

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.81%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.18%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.9%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.7%
PopulationHow many people live in this area.1,978
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$66,602
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$76,118
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

421 River St 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 less than 97% of homes in Chouteau County
  • Costs less per square foot than 93% of homes in Chouteau County
  • Has a smaller lot than 71% of homes in Chouteau County
  • Newer than 86% of homes in Chouteau County

What homes are worth in Fort Benton 59442

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

This home
$175K$491K

This home is worth more than 8% of homes in Fort Benton 59442.

How it measures up in Fort Benton 59442

The dot is this home. The mark in the middle is the typical home in Fort Benton 59442.

Estimated value$192,312
CheaperTypical $249,663Pricier

Pricier than 8% of homes nearby

Price per ft²$130
CheaperTypical $175Pricier

Pricier than 14% of homes nearby

Living area1,484 ft²
SmallerTypical 1,368 ft²Bigger

Bigger than 60% of homes nearby

Lot size0.24 ac
SmallerTypical 0.26 acBigger

Bigger than 46% of homes nearby

Year built1991
OlderTypical 1956Newer

Newer than 83% of homes nearby

How 421 River St ranks against every home in each area.
MeasureThis homeFort Benton 59442Chouteau County
Estimated valuepricier than$192,3128% of homes3% of homes
Price per ft²pricier than$13014% of homes7% of homes
Living areabigger than1,484 ft²60% of homes60% of homes
Lot sizebigger than0.24 ac46% of homes29% of homes
Year builtnewer than199183% of homes86% of homes

About 421 River St

How much is 421 River St, Fort Benton, MT worth?

The TopHap Estimate for 421 River St, Fort Benton, MT is $192,312 as of Sep 24, 2026. The likely range is $153,610 to $231,014. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 421 River St, Fort Benton, MT last sell?

421 River St, Fort Benton, MT last sold on Jun 14, 1991, according to the county's recorded deed.

How big is 421 River St, Fort Benton, MT?

421 River St, Fort Benton, MT has 4 bedrooms, 2.5 bathrooms, 1,484 square feet of living space and a 0.24-acre lot.

When was 421 River St, Fort Benton, MT built?

421 River St, Fort Benton, MT was built in 1991, making it 35 years old. It is a modern home. The building has 1 story.

What schools serve 421 River St, Fort Benton, MT?

421 River St, Fort Benton, MT is assigned to Fort Benton School (elementary), rated A; Fort Benton 7-8 (middle), rated B+; Fort Benton High School (high), rated B-. All sit in Fort Benton Elementary School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 421 River St, Fort Benton, MT compare to other homes in Fort Benton 59442?

Among the 922 homes in Fort Benton 59442, it is worth more than 8% of them ($192,312 against a typical $249,663), its price per square foot is higher than 14% of them ($130 against a typical $175), it is bigger than 60% of them (1,484 ft² against a typical 1,368 ft²), its lot is bigger than 46% of them (0.24 ac against a typical 0.26 ac) and it is newer than 83% of them (1991 against a typical 1956). Measured against all of Chouteau County, it is worth more than 3% 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 421 River St, Fort Benton, MT?

The 2025 property tax bill for 421 River St, Fort Benton, MT was $2,852. The county assessed it at $394,300.

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