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Rural ResidenceResidential
$435,663$326 / 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

800 PROSPERITY LN

HELMVILLE, MT 59843
2
Beds
1
Baths
1,338 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.
20.01 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.
2
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

$436K
$397K low$474K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,056 (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.$232,447 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$222,767
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$232,447

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.17 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.Rustic
CountyPOWELL
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.20.01
ConstructionThe main material the home's frame and walls are built from.Log
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
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 · 268 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 · 16.1 mi
H
Powell County High SchoolD+
High · Grades 9–12 · 27.5 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

800 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.

  • Costs less per square foot than 84% of homes in Helmville 59843
  • Has a bigger lot than 81% of homes in Powell County
  • Newer than 69% 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 37% 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$435,663
CheaperTypical $523,785Pricier

Pricier than 37% of homes nearby

Price per ft²$326
CheaperTypical $531Pricier

Pricier than 16% of homes nearby

Living area1,338 ft²
SmallerTypical 1,176 ft²Bigger

Bigger than 63% of homes nearby

Lot size20.01 ac
SmallerTypical 20.01 acBigger

Bigger than 50% of homes nearby

Year built1991
OlderTypical 1995Newer

Newer than 43% of homes nearby

How 800 Prosperity Ln ranks against every home in each area.
MeasureThis homeHelmville 59843Powell County
Estimated valuepricier than$435,66337% of homes54% of homes
Price per ft²pricier than$32616% of homes55% of homes
Living areabigger than1,338 ft²63% of homes53% of homes
Lot sizebigger than20.01 ac50% of homes81% of homes
Year builtnewer than199143% of homes69% of homes

About 800 Prosperity Ln

How much is 800 Prosperity Ln, Helmville, MT worth?

The TopHap Estimate for 800 Prosperity Ln, Helmville, MT is $435,663 as of Aug 30, 2026. The likely range is $397,146 to $474,180. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 800 Prosperity Ln, Helmville, MT last sell?

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

How big is 800 Prosperity Ln, Helmville, MT?

800 Prosperity Ln, Helmville, MT has 2 bedrooms, 1 bathrooms, 1,338 square feet of living space and a 20.01-acre lot.

When was 800 Prosperity Ln, Helmville, MT built?

800 Prosperity Ln, Helmville, MT was built in 1991, making it 35 years old. It is a rustic home. The building has 2 stories.

What schools serve 800 Prosperity Ln, Helmville, MT?

800 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 800 Prosperity Ln, Helmville, MT compare to other homes in Helmville 59843?

Among the 295 homes in Helmville 59843, it is worth more than 37% of them ($435,663 against a typical $523,785), its price per square foot is higher than 16% of them ($326 against a typical $531), it is bigger than 63% of them (1,338 ft² against a typical 1,176 ft²), its lot is bigger than 50% of them (20.01 ac against a typical 20.01 ac) and it is newer than 43% of them (1991 against a typical 1995). Measured against all of Powell County, it is worth more than 54% 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 800 Prosperity Ln, Helmville, MT?

The 2026 property tax bill for 800 Prosperity Ln, Helmville, MT was $2,056. The county assessed it at $232,447.

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