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Single Family ResidenceResidential
$672,826$417 / 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 94How 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 $80,000 on Aug 22, 2014

643 ROCK DR

KALISPELL, MT 59901
4
Beds
3
Baths
1,612 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.
0.6 ac
Lot SizeThe size of the land the home sits on, from county records.
1998
Year BuiltThe year the home was originally built, according to county records.
2
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.
4
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$673K
$634K low$711K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$80,000 · Aug 22, 2014

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,477 (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.$593,700 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$453,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$593,700

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.36
60
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
35
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
46
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
17
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
24
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.24 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
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.0.2 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.Conventional
CountyFLATHEAD
Lot (acres)The size of the land the home sits on, from county records.0.60
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
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.Shed · 96 ft²Porch · 132 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
Helena Flats 7-8C+
Middle · Grades 7–8 · 0.9 mi
E
Helena Flats SchoolC
Elementary · Grades PK–6 · 0.9 mi
H
Glacier High SchoolC
High · Grades 9–12 · 4.0 mi

District: Helena Flats 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

643 Rock Dr 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.

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 62% 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$672,826
CheaperTypical $583,822Pricier

Pricier than 62% of homes nearby

Price per ft²$417
CheaperTypical $389Pricier

Pricier than 59% of homes nearby

Living area1,612 ft²
SmallerTypical 1,448 ft²Bigger

Bigger than 61% of homes nearby

Lot size0.6 ac
SmallerTypical 0.46 acBigger

Bigger than 58% of homes nearby

Year built1998
OlderTypical 1995Newer

Newer than 56% of homes nearby

How 643 Rock Dr ranks against every home in each area.
MeasureThis homeKalispell 59901Flathead County
Estimated valuepricier than$672,82662% of homes47% of homes
Price per ft²pricier than$41759% of homes40% of homes
Living areabigger than1,612 ft²61% of homes59% of homes
Lot sizebigger than0.6 ac58% of homes52% of homes
Year builtnewer than199856% of homes55% of homes

About 643 Rock Dr

How much is 643 Rock Dr, Kalispell, MT worth?

The TopHap Estimate for 643 Rock Dr, Kalispell, MT is $672,826 as of Sep 24, 2026. The likely range is $634,243 to $711,409. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 643 Rock Dr, Kalispell, MT last sell?

643 Rock Dr, Kalispell, MT last sold on Aug 22, 2014 for $80,000, according to the county's recorded deed.

How big is 643 Rock Dr, Kalispell, MT?

643 Rock Dr, Kalispell, MT has 4 bedrooms, 3 bathrooms, 1,612 square feet of living space and a 0.60-acre lot.

When was 643 Rock Dr, Kalispell, MT built?

643 Rock Dr, Kalispell, MT was built in 1998, making it 28 years old. It is a conventional home. The building has 2 stories.

What schools serve 643 Rock Dr, Kalispell, MT?

643 Rock Dr, Kalispell, MT is assigned to Helena Flats 7-8 (middle), rated C+; Helena Flats School (elementary), rated C; Glacier High School (high), rated C. All sit in Helena Flats Elementary School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 643 Rock Dr, Kalispell, MT compare to other homes in Kalispell 59901?

Among the 24,299 homes in Kalispell 59901, it is worth more than 62% of them ($672,826 against a typical $583,822), its price per square foot is higher than 59% of them ($417 against a typical $389), it is bigger than 61% of them (1,612 ft² against a typical 1,448 ft²), its lot is bigger than 58% of them (0.6 ac against a typical 0.46 ac) and it is newer than 56% of them (1998 against a typical 1995). Measured against all of Flathead County, it is worth more than 47% 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 643 Rock Dr, Kalispell, MT?

The 2026 property tax bill for 643 Rock Dr, Kalispell, MT was $2,477. The county assessed it at $593,700.

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