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Single Family ResidenceResidential
$876,473$783 / 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 88How 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

4 SOURDOUGH LOOP S

THOMPSON FALLS, MT 59873
1
Beds
1
Baths
1,120 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.
8.05 ac
Lot SizeThe size of the land the home sits on, from county records.
1986
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.
7
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$876K
$775K low$978K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,046 (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.$818,391 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$984,648
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$818,391

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.197 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
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.Conventional
CountySANDERS
Lot (acres)The size of the land the home sits on, from county records.8.05
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.Floor/Wall Furnace
CoolingThe type of cooling or air conditioning in the home.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
PoolWhether the property has a pool, and what kind, such as in-ground.No

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

E
Thompson Falls Elementary SchoolC
Elementary · Grades PK–6 · 6.3 mi
M
Thompson Falls 7-8C+
Middle · Grades 7–8 · 6.4 mi
H
Thompson Falls High SchoolC
High · Grades 9–12 · 7.3 mi

District: Thompson Falls Elementary School District

Neighborhood · ZIP 59873These 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.108
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.107
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.98

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.86%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.11%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.4,582
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.7 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$57,682
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$63,153
Average tempThe average temperature here across a full year.42°F
Annual precipHow much rain and melted snow falls here in a typical year.36 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

4 Sourdough Loop S 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 91% of homes in Thompson Falls 59873
  • Costs more per square foot than 97% of homes in Thompson Falls 59873
  • Smaller than 67% of homes in Thompson Falls 59873
  • Has a bigger lot than 84% of homes in Thompson Falls 59873

What homes are worth in Thompson Falls 59873

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

This home
$184K$1.2M

This home is worth more than 91% of homes in Thompson Falls 59873.

How it measures up in Thompson Falls 59873

The dot is this home. The mark in the middle is the typical home in Thompson Falls 59873.

Estimated value$876,473
CheaperTypical $499,453Pricier

Pricier than 91% of homes nearby

Price per ft²$783
CheaperTypical $353Pricier

Pricier than 97% of homes nearby

Living area1,120 ft²
SmallerTypical 1,356 ft²Bigger

Bigger than 33% of homes nearby

Lot size8.05 ac
SmallerTypical 1.01 acBigger

Bigger than 84% of homes nearby

Year built1986
OlderTypical 1991Newer

Newer than 47% of homes nearby

How 4 Sourdough Loop S ranks against every home in each area.
MeasureThis homeThompson Falls 59873Sanders County
Estimated valuepricier than$876,47391% of homes89% of homes
Price per ft²pricier than$78397% of homes96% of homes
Living areabigger than1,120 ft²33% of homes35% of homes
Lot sizebigger than8.05 ac84% of homes68% of homes
Year builtnewer than198647% of homes48% of homes

About 4 Sourdough Loop S

How much is 4 Sourdough Loop S, Thompson Falls, MT worth?

The TopHap Estimate for 4 Sourdough Loop S, Thompson Falls, MT is $876,473 as of Sep 24, 2026. The likely range is $774,731 to $978,215. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4 Sourdough Loop S, Thompson Falls, MT last sell?

4 Sourdough Loop S, Thompson Falls, MT last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 4 Sourdough Loop S, Thompson Falls, MT?

4 Sourdough Loop S, Thompson Falls, MT has 1 bedrooms, 1 bathrooms, 1,120 square feet of living space and a 8.05-acre lot.

When was 4 Sourdough Loop S, Thompson Falls, MT built?

4 Sourdough Loop S, Thompson Falls, MT was built in 1986, making it 40 years old. It is a conventional home. The building has 1 story.

What schools serve 4 Sourdough Loop S, Thompson Falls, MT?

4 Sourdough Loop S, Thompson Falls, MT is assigned to Thompson Falls Elementary School (elementary), rated C; Thompson Falls 7-8 (middle), rated C+; Thompson Falls High School (high), rated C. All sit in Thompson Falls Elementary School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4 Sourdough Loop S, Thompson Falls, MT compare to other homes in Thompson Falls 59873?

Among the 2,095 homes in Thompson Falls 59873, it is worth more than 91% of them ($876,473 against a typical $499,453), its price per square foot is higher than 97% of them ($783 against a typical $353), it is bigger than 33% of them (1,120 ft² against a typical 1,356 ft²), its lot is bigger than 84% of them (8.05 ac against a typical 1.01 ac) and it is newer than 47% of them (1986 against a typical 1991). Measured against all of Sanders County, it is worth more than 89% 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 4 Sourdough Loop S, Thompson Falls, MT?

The 2026 property tax bill for 4 Sourdough Loop S, Thompson Falls, MT was $7,046. The county assessed it at $818,391.

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