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Rural ResidenceResidential
$1,511,113$660 / 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 87How 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

440 PROSPERITY LN

HELMVILLE, MT 59843
2
Beds
2
Baths
2,290 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.
21.01 ac
Lot SizeThe size of the land the home sits on, from county records.
2012
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
5
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1.5M
$1.3M low$1.7M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,059 (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.$788,588 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$714,442
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$788,588

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.14 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.Rural Residence
StyleThe architectural style of the home, such as ranch or colonial.Conventional
CountyPOWELL
Lot (acres)The size of the land the home sits on, from county records.21.01
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.Porch · 1,599 ft²

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

E
Avon School
Elementary · Grades PK–8 · 16.0 mi
H
Powell County High SchoolD+
High · Grades 9–12 · 27.3 mi

District: Avon Elementary School District

Neighborhood · ZIP 59843These 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.148
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 100.161

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.69%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.26%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.5%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.228
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$71,611
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$80,546
Average tempThe average temperature here across a full year.40°F
Annual precipHow much rain and melted snow falls here in a typical year.16 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

440 Prosperity Ln 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 92% of homes in Powell County
  • Costs more per square foot than 85% of homes in Powell County
  • Bigger than 91% of homes in Helmville 59843
  • Has a bigger lot than 83% of homes in Powell County
  • Newer than 89% of homes in Powell County

What homes are worth in Helmville 59843

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

This home
$251K$2.3M

This home is worth more than 91% of homes in Helmville 59843.

How it measures up in Helmville 59843

The dot is this home. The mark in the middle is the typical home in Helmville 59843.

Estimated value$1,511,113
CheaperTypical $523,785Pricier

Pricier than 91% of homes nearby

Price per ft²$660
CheaperTypical $531Pricier

Pricier than 70% of homes nearby

Living area2,290 ft²
SmallerTypical 1,155 ft²Bigger

Bigger than 91% of homes nearby

Lot size21.01 ac
SmallerTypical 20.01 acBigger

Bigger than 54% of homes nearby

Year built2012
OlderTypical 1995Newer

Newer than 82% of homes nearby

How 440 Prosperity Ln ranks against every home in each area.
MeasureThis homeHelmville 59843Powell County
Estimated valuepricier than$1,511,11391% of homes92% of homes
Price per ft²pricier than$66070% of homes85% of homes
Living areabigger than2,290 ft²91% of homes88% of homes
Lot sizebigger than21.01 ac54% of homes83% of homes
Year builtnewer than201282% of homes89% of homes

About 440 Prosperity Ln

How much is 440 Prosperity Ln, Helmville, MT worth?

The TopHap Estimate for 440 Prosperity Ln, Helmville, MT is $1,511,113 as of Aug 30, 2026. The likely range is $1,314,555 to $1,707,671. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 440 Prosperity Ln, Helmville, MT last sell?

440 Prosperity Ln, Helmville, MT last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 440 Prosperity Ln, Helmville, MT?

440 Prosperity Ln, Helmville, MT has 2 bedrooms, 2 bathrooms, 2,290 square feet of living space and a 21.01-acre lot.

When was 440 Prosperity Ln, Helmville, MT built?

440 Prosperity Ln, Helmville, MT was built in 2012, making it 14 years old. It is a conventional home. The building has 1 story.

What schools serve 440 Prosperity Ln, Helmville, MT?

440 Prosperity Ln, Helmville, MT is assigned to Avon School (elementary); Powell County High School (high), rated D+. All sit in Avon Elementary School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 440 Prosperity Ln, Helmville, MT compare to other homes in Helmville 59843?

Among the 295 homes in Helmville 59843, it is worth more than 91% of them ($1,511,113 against a typical $523,785), its price per square foot is higher than 70% of them ($660 against a typical $531), it is bigger than 91% of them (2,290 ft² against a typical 1,155 ft²), its lot is bigger than 54% of them (21.01 ac against a typical 20.01 ac) and it is newer than 82% of them (2012 against a typical 1995). Measured against all of Powell County, it is worth more than 92% 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 440 Prosperity Ln, Helmville, MT?

The 2026 property tax bill for 440 Prosperity Ln, Helmville, MT was $3,059. The county assessed it at $788,588.

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