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Rural ResidenceResidential
$1,470,250$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 90How 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
Last sold for $521,250 on Nov 16, 2016

878 PROMISE LN

CORVALLIS, MT 59828
3
Beds
2.5
Baths
2,226 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.
17.78 ac
Lot SizeThe size of the land the home sits on, from county records.
2005
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1.5M
$1.3M low$1.6M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$521,250 · Nov 16, 2016

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,651 (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.$908,510 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$808,571
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$908,510

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.45
45
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
76
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
52
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.
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.11 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
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.2010
Lot (acres)The size of the land the home sits on, from county records.17.78
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.Heat Pump
CoolingThe type of cooling or air conditioning in the home.Central
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 · 48 ft²Porch · 185 ft²

Transaction History(1)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

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

M
Corvallis 7-8B-
Middle · Grades 7–8 · 3.3 mi
E
Quentin Brown Primary K-4B-
Elementary · Grades PK–4 · 3.4 mi
H
Corvallis High SchoolB-
High · Grades 9–12 · 3.4 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

878 Promise 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 94% of homes in Corvallis 59828
  • Costs more per square foot than 90% of homes in Corvallis 59828
  • Bigger than 80% of homes in Ravalli County
  • Has a bigger lot than 90% of homes in Ravalli County
  • Newer than 77% of homes in Ravalli County

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
$342K$2.1M

This home is worth more than 94% 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$1,470,250
CheaperTypical $717,611Pricier

Pricier than 94% of homes nearby

Price per ft²$660
CheaperTypical $412Pricier

Pricier than 90% of homes nearby

Living area2,226 ft²
SmallerTypical 1,672 ft²Bigger

Bigger than 79% of homes nearby

Lot size17.78 ac
SmallerTypical 2.63 acBigger

Bigger than 89% of homes nearby

Year built2005
OlderTypical 1997Newer

Newer than 72% of homes nearby

How 878 Promise Ln ranks against every home in each area.
MeasureThis homeCorvallis 59828Ravalli County
Estimated valuepricier than$1,470,25094% of homes94% of homes
Price per ft²pricier than$66090% of homes90% of homes
Living areabigger than2,226 ft²79% of homes80% of homes
Lot sizebigger than17.78 ac89% of homes90% of homes
Year builtnewer than200572% of homes77% of homes

About 878 Promise Ln

How much is 878 Promise Ln, Corvallis, MT worth?

The TopHap Estimate for 878 Promise Ln, Corvallis, MT is $1,470,250 as of Oct 21, 2026. The likely range is $1,322,531 to $1,617,969. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 878 Promise Ln, Corvallis, MT last sell?

878 Promise Ln, Corvallis, MT last sold on Nov 16, 2016 for $521,250, according to the county's recorded deed.

How big is 878 Promise Ln, Corvallis, MT?

878 Promise Ln, Corvallis, MT has 3 bedrooms, 2.5 bathrooms, 2,226 square feet of living space and a 17.78-acre lot.

When was 878 Promise Ln, Corvallis, MT built?

878 Promise Ln, Corvallis, MT was built in 2005, making it 21 years old. It is a conventional home. The building has 1 story.

What schools serve 878 Promise Ln, Corvallis, MT?

878 Promise Ln, Corvallis, MT is assigned to Corvallis 7-8 (middle), rated B-; Quentin Brown Primary K-4 (elementary), rated B-; 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 878 Promise Ln, Corvallis, MT compare to other homes in Corvallis 59828?

Among the 2,802 homes in Corvallis 59828, it is worth more than 94% of them ($1,470,250 against a typical $717,611), its price per square foot is higher than 90% of them ($660 against a typical $412), it is bigger than 79% of them (2,226 ft² against a typical 1,672 ft²), its lot is bigger than 89% of them (17.78 ac against a typical 2.63 ac) and it is newer than 72% of them (2005 against a typical 1997). Measured against all of Ravalli County, it is worth more than 94% 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 878 Promise Ln, Corvallis, MT?

The 2026 property tax bill for 878 Promise Ln, Corvallis, MT was $3,651. The county assessed it at $908,510.

More homes on Promise Ln

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