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Single Family ResidenceResidential
$1,373,993$651 / 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 Sep 24, 2026
Last sold for $730,100 on Jun 18, 2020

851 ROUNDUP LN

KALISPELL, MT 59901
3
Beds
2
Baths
2,112 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.
18.05 ac
Lot SizeThe size of the land the home sits on, from county records.
1965
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
8
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1.4M
$1.3M low$1.5M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$730,100 · Jun 18, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,713 (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.$1,376,800 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$857,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,376,800

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.59
99
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
50
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
44
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
21
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
84
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.197 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.34%
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.Ranch
CountyFLATHEAD
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.18.05
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
HeatingThe type of heating system in the home.Yes
CoolingThe type of cooling or air conditioning in the home.Central
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.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 · 239 ft²Shed · 1,800 ft²Porch · 36 ft²

Transaction History(2)

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.

H
Glacier High SchoolC
High · Grades 9–12 · 1.6 mi
M
West Valley Middle SchoolC+
Middle · Grades 5–8 · 3.8 mi
E
West Valley SchoolB
Elementary · Grades PK–4 · 3.8 mi

District: West Valley Elementary School District

Neighborhood · ZIP 59901These 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.84
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.101
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.220

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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.22%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.6%
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.63,278
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.109 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$69,502
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$89,461
Average tempThe average temperature here across a full year.40°F
Annual precipHow much rain and melted snow falls here in a typical year.26 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.52%

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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

851 Roundup 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 Kalispell 59901
  • Costs more per square foot than 91% of homes in Kalispell 59901
  • Bigger than 81% of homes in Kalispell 59901
  • Has a bigger lot than 96% of homes in Kalispell 59901
  • Older than 83% of homes in Flathead County

What homes are worth in Kalispell 59901

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

This home
$294K$1.9M

This home is worth more than 94% of homes in Kalispell 59901.

How it measures up in Kalispell 59901

The dot is this home. The mark in the middle is the typical home in Kalispell 59901.

Estimated value$1,373,993
CheaperTypical $583,822Pricier

Pricier than 94% of homes nearby

Price per ft²$651
CheaperTypical $389Pricier

Pricier than 91% of homes nearby

Living area2,112 ft²
SmallerTypical 1,448 ft²Bigger

Bigger than 81% of homes nearby

Lot size18.05 ac
SmallerTypical 0.46 acBigger

Bigger than 96% of homes nearby

Year built1965
OlderTypical 1995Newer

Newer than 20% of homes nearby

How 851 Roundup Ln ranks against every home in each area.
MeasureThis homeKalispell 59901Flathead County
Estimated valuepricier than$1,373,99394% of homes85% of homes
Price per ft²pricier than$65191% of homes75% of homes
Living areabigger than2,112 ft²81% of homes79% of homes
Lot sizebigger than18.05 ac96% of homes94% of homes
Year builtnewer than196520% of homes17% of homes

About 851 Roundup Ln

How much is 851 Roundup Ln, Kalispell, MT worth?

The TopHap Estimate for 851 Roundup Ln, Kalispell, MT is $1,373,993 as of Sep 24, 2026. The likely range is $1,283,167 to $1,464,819. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 851 Roundup Ln, Kalispell, MT last sell?

851 Roundup Ln, Kalispell, MT last sold on Jun 18, 2020 for $730,100, according to the county's recorded deed.

How big is 851 Roundup Ln, Kalispell, MT?

851 Roundup Ln, Kalispell, MT has 3 bedrooms, 2 bathrooms, 2,112 square feet of living space and a 18.05-acre lot.

When was 851 Roundup Ln, Kalispell, MT built?

851 Roundup Ln, Kalispell, MT was built in 1965, making it 61 years old. It is a ranch home. The building has 1 story.

What schools serve 851 Roundup Ln, Kalispell, MT?

851 Roundup Ln, Kalispell, MT is assigned to Glacier High School (high), rated C; West Valley Middle School (middle), rated C+; West Valley School (elementary), rated B. All sit in West Valley Elementary School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 851 Roundup Ln, Kalispell, MT compare to other homes in Kalispell 59901?

Among the 24,299 homes in Kalispell 59901, it is worth more than 94% of them ($1,373,993 against a typical $583,822), its price per square foot is higher than 91% of them ($651 against a typical $389), it is bigger than 81% of them (2,112 ft² against a typical 1,448 ft²), its lot is bigger than 96% of them (18.05 ac against a typical 0.46 ac) and it is newer than 20% of them (1965 against a typical 1995). Measured against all of Flathead County, it is worth more than 85% 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 851 Roundup Ln, Kalispell, MT?

The 2026 property tax bill for 851 Roundup Ln, Kalispell, MT was $5,713. The county assessed it at $1,376,800.

More homes on Roundup Ln

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