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Single Family ResidenceResidential
$212,918$353 / 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 93How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026

307 E RIVER ST

FROMBERG, MT 59029
1
Beds
1
Baths
603 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.
6.08 ac
Lot SizeThe size of the land the home sits on, from county records.
1935
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.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$213K
$197K low$229K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,333 (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.$473,245 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$473,245
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$473,245

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.57
76
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.
58
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
14
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
73
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.56 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.1 percent flood zone

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.Historical
CountyCARBON
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.1990
Lot (acres)The size of the land the home sits on, from county records.6.08
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.Floor/Wall Furnace
CoolingThe type of cooling or air conditioning in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.Yes
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 · 96 ft²

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

H
Fromberg High School
High · Grades 9–12 · 0.5 mi
M
Fromberg Junior High SchoolD-
Middle · Grades 7–8 · 0.5 mi
E
Fromberg Grade SchoolD
Elementary · Grades PK–6 · 0.5 mi

District: Fromberg K-12 Schools

Neighborhood · ZIP 59029These 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.174
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.106
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.38

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.89%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.13%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.13%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.225
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$70,122
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$84,501
Average tempThe average temperature here across a full year.46°F
Annual precipHow much rain and melted snow falls here in a typical year.17 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.60%

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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

307 E 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 Carbon County
  • Costs more per square foot than 69% of homes in Fromberg 59029
  • Smaller than 97% of homes in Fromberg 59029
  • Has a bigger lot than 71% of homes in Carbon County
  • Older than 76% of homes in Carbon County

What homes are worth in Fromberg 59029

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

This home
$126K$1.4M

This home is worth more than 22% of homes in Fromberg 59029.

How it measures up in Fromberg 59029

The dot is this home. The mark in the middle is the typical home in Fromberg 59029.

Estimated value$212,918
CheaperTypical $350,479Pricier

Pricier than 22% of homes nearby

Price per ft²$353
CheaperTypical $268Pricier

Pricier than 69% of homes nearby

Living area603 ft²
SmallerTypical 1,344 ft²Bigger

Bigger than 3% of homes nearby

Lot size6.08 ac
SmallerTypical 1 acBigger

Bigger than 69% of homes nearby

Year built1935
OlderTypical 1976Newer

Newer than 32% of homes nearby

How 307 E River St ranks against every home in each area.
MeasureThis homeFromberg 59029Carbon County
Estimated valuepricier than$212,91822% of homes3% of homes
Price per ft²pricier than$35369% of homes35% of homes
Living areabigger than603 ft²3% of homes4% of homes
Lot sizebigger than6.08 ac69% of homes71% of homes
Year builtnewer than193532% of homes24% of homes

About 307 E River St

How much is 307 E River St, Fromberg, MT worth?

The TopHap Estimate for 307 E River St, Fromberg, MT is $212,918 as of Oct 21, 2026. The likely range is $197,199 to $228,637. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 307 E River St, Fromberg, MT last sell?

307 E River St, Fromberg, MT last sold on Mar 14, 2005, according to the county's recorded deed.

How big is 307 E River St, Fromberg, MT?

307 E River St, Fromberg, MT has 1 bedrooms, 1 bathrooms, 603 square feet of living space and a 6.08-acre lot.

When was 307 E River St, Fromberg, MT built?

307 E River St, Fromberg, MT was built in 1935, making it 91 years old. It is a historical home. The building has 1 story.

What schools serve 307 E River St, Fromberg, MT?

307 E River St, Fromberg, MT is assigned to Fromberg High School (high); Fromberg Junior High School (middle), rated D-; Fromberg Grade School (elementary), rated D. All sit in Fromberg K-12 Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 307 E River St, Fromberg, MT compare to other homes in Fromberg 59029?

Among the 389 homes in Fromberg 59029, it is worth more than 22% of them ($212,918 against a typical $350,479), its price per square foot is higher than 69% of them ($353 against a typical $268), it is bigger than 3% of them (603 ft² against a typical 1,344 ft²), its lot is bigger than 69% of them (6.08 ac against a typical 1 ac) and it is newer than 32% of them (1935 against a typical 1976). Measured against all of Carbon 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 307 E River St, Fromberg, MT?

The 2026 property tax bill for 307 E River St, Fromberg, MT was $2,333. The county assessed it at $473,245.

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