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Single Family ResidenceResidential
$296,082$441 / 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 91How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026

420 RIVER ST

HAMILTON, MT 59840
1
Beds
1
Baths
672 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.
0.11 ac
Lot SizeThe size of the land the home sits on, from county records.
1945
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
3
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$296K
$270K low$323K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,336 (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.$271,200 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$165,915
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$271,200

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.35
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
68
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
48
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
17
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
42
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.

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.Ranch
CountyRAVALLI
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.1965
Lot (acres)The size of the land the home sits on, from county records.0.11
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 · 24 ft²Patio · 60 ft²

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

E
Washington School
Elementary · Grades PK–KG · 0.2 mi
M
Hamilton Middle SchoolC
Middle · Grades 5–8 · 0.4 mi
H
Hamilton High SchoolA
High · Grades 9–12 · 1.0 mi

District: Hamilton K-12 Schools

Neighborhood · ZIP 59840These 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.98
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 100.66

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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.16%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.9%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.9%
PopulationHow many people live in this area.16,678
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.34 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$63,529
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$81,674
Average tempThe average temperature here across a full year.37°F
Annual precipHow much rain and melted snow falls here in a typical year.38 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.54%

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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

420 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 98% of homes in Hamilton 59840
  • Costs more per square foot than 75% of homes in Hamilton 59840
  • Smaller than 98% of homes in Hamilton 59840
  • Has a smaller lot than 98% of homes in Ravalli County
  • Older than 89% of homes in Ravalli County

What homes are worth in Hamilton 59840

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

This home
$303K$2.8M

This home is worth more than 2% of homes in Hamilton 59840.

How it measures up in Hamilton 59840

The dot is this home. The mark in the middle is the typical home in Hamilton 59840.

Estimated value$296,082
CheaperTypical $549,832Pricier

Pricier than 2% of homes nearby

Price per ft²$441
CheaperTypical $358Pricier

Pricier than 75% of homes nearby

Living area672 ft²
SmallerTypical 1,540 ft²Bigger

Bigger than 2% of homes nearby

Lot size0.11 ac
SmallerTypical 1.04 acBigger

Bigger than 6% of homes nearby

Year built1945
OlderTypical 1986Newer

Newer than 17% of homes nearby

How 420 River St ranks against every home in each area.
MeasureThis homeHamilton 59840Ravalli County
Estimated valuepricier than$296,0822% of homes2% of homes
Price per ft²pricier than$44175% of homes69% of homes
Living areabigger than672 ft²2% of homes3% of homes
Lot sizebigger than0.11 ac6% of homes2% of homes
Year builtnewer than194517% of homes11% of homes

About 420 River St

How much is 420 River St, Hamilton, MT worth?

The TopHap Estimate for 420 River St, Hamilton, MT is $296,082 as of Aug 30, 2026. The likely range is $269,601 to $322,563. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 420 River St, Hamilton, MT last sell?

420 River St, Hamilton, MT last sold on May 1, 2012, according to the county's recorded deed.

How big is 420 River St, Hamilton, MT?

420 River St, Hamilton, MT has 1 bedrooms, 1 bathrooms, 672 square feet of living space and a 0.11-acre lot.

When was 420 River St, Hamilton, MT built?

420 River St, Hamilton, MT was built in 1945, making it 81 years old. It is a ranch home. The building has 1 story.

What schools serve 420 River St, Hamilton, MT?

420 River St, Hamilton, MT is assigned to Washington School (elementary); Hamilton Middle School (middle), rated C; Hamilton High School (high), rated A. All sit in Hamilton K-12 Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 420 River St, Hamilton, MT compare to other homes in Hamilton 59840?

Among the 6,709 homes in Hamilton 59840, it is worth more than 2% of them ($296,082 against a typical $549,832), its price per square foot is higher than 75% of them ($441 against a typical $358), it is bigger than 2% of them (672 ft² against a typical 1,540 ft²), its lot is bigger than 6% of them (0.11 ac against a typical 1.04 ac) and it is newer than 17% of them (1945 against a typical 1986). Measured against all of Ravalli County, it is worth more than 2% 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 420 River St, Hamilton, MT?

The 2026 property tax bill for 420 River St, Hamilton, MT was $1,336. The county assessed it at $271,200.

More homes on River St

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