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Single Family ResidenceResidential
$624,804$424 / 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

1138 PROSPERITY PL

CORVALLIS, MT 59828
2
Beds
2.5
Baths
1,472 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.
5.01 ac
Lot SizeThe size of the land the home sits on, from county records.
1994
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.
7
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$625K
$568K low$682K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,167 (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.$642,200 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$538,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$642,200

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.50
75
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
74
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
53
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
10
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.
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.51%

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.Conventional
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.1995
Lot (acres)The size of the land the home sits on, from county records.5.01
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.Metal
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.Mixed
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 · 256 ft²Shed · 128 ft²Porch · 848 ft²

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

M
Corvallis 7-8A-
Middle · Grades 7–8 · 1.3 mi
E
Quentin Brown Primary K-4A
Elementary · Grades PK–4 · 1.3 mi
H
Corvallis High SchoolB+
High · Grades 9–12 · 1.4 mi

District: Corvallis K-12 Schools

Neighborhood · ZIP 59828These 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.85
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 100.65

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.91%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.14%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.8%
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.5,290
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.43 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$79,615
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$97,058
Average tempThe average temperature here across a full year.41°F
Annual precipHow much rain and melted snow falls here in a typical year.27 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

1138 Prosperity Pl 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 more per square foot than 65% of homes in Ravalli County
  • Has a bigger lot than 67% of homes in Corvallis 59828

What homes are worth in Corvallis 59828

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

This home
$337K$1.8M

This home is worth more than 38% of homes in Corvallis 59828.

How it measures up in Corvallis 59828

The dot is this home. The mark in the middle is the typical home in Corvallis 59828.

Estimated value$624,804
CheaperTypical $697,000Pricier

Pricier than 38% of homes nearby

Price per ft²$424
CheaperTypical $401Pricier

Pricier than 58% of homes nearby

Living area1,472 ft²
SmallerTypical 1,674 ft²Bigger

Bigger than 37% of homes nearby

Lot size5.01 ac
SmallerTypical 2.58 acBigger

Bigger than 67% of homes nearby

Year built1994
OlderTypical 1997Newer

Newer than 43% of homes nearby

How 1138 Prosperity Pl ranks against every home in each area.
MeasureThis homeCorvallis 59828Ravalli County
Estimated valuepricier than$624,80438% of homes52% of homes
Price per ft²pricier than$42458% of homes65% of homes
Living areabigger than1,472 ft²37% of homes43% of homes
Lot sizebigger than5.01 ac67% of homes67% of homes
Year builtnewer than199443% of homes54% of homes

About 1138 Prosperity Pl

How much is 1138 Prosperity Pl, Corvallis, MT worth?

The TopHap Estimate for 1138 Prosperity Pl, Corvallis, MT is $624,804 as of Aug 30, 2026. The likely range is $567,764 to $681,844. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1138 Prosperity Pl, Corvallis, MT last sell?

1138 Prosperity Pl, Corvallis, MT last sold on Feb 20, 1992, according to the county's recorded deed.

How big is 1138 Prosperity Pl, Corvallis, MT?

1138 Prosperity Pl, Corvallis, MT has 2 bedrooms, 2.5 bathrooms, 1,472 square feet of living space and a 5.01-acre lot.

When was 1138 Prosperity Pl, Corvallis, MT built?

1138 Prosperity Pl, Corvallis, MT was built in 1994, making it 32 years old. It is a conventional home. The building has 1 story.

What schools serve 1138 Prosperity Pl, Corvallis, MT?

1138 Prosperity Pl, Corvallis, MT is assigned to Corvallis 7-8 (middle), rated A-; Quentin Brown Primary K-4 (elementary), rated A; Corvallis High School (high), rated B+. All sit in Corvallis K-12 Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 1138 Prosperity Pl, Corvallis, MT compare to other homes in Corvallis 59828?

Among the 2,800 homes in Corvallis 59828, it is worth more than 38% of them ($624,804 against a typical $697,000), its price per square foot is higher than 58% of them ($424 against a typical $401), it is bigger than 37% of them (1,472 ft² against a typical 1,674 ft²), its lot is bigger than 67% of them (5.01 ac against a typical 2.58 ac) and it is newer than 43% of them (1994 against a typical 1997). Measured against all of Ravalli County, it is worth more than 52% 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 1138 Prosperity Pl, Corvallis, MT?

The 2026 property tax bill for 1138 Prosperity Pl, Corvallis, MT was $1,167. The county assessed it at $642,200.

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