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Single Family ResidenceResidential
$392,383$276 / 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 95How 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

121 LEWELLEN ST

PLAINS, MT 59859
2
Beds
2.5
Baths
1,424 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.
0.62 ac
Lot SizeThe size of the land the home sits on, from county records.
1956
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
9
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
5
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$392K
$374K low$410K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$356 (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.$318,000 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$350,600
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$318,000

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
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.0.62
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
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.Shed · 108 ft²

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

H
Plains High SchoolD-
High · Grades 9–12 · 0.1 mi
E
Plains Elementary SchoolB-
Elementary · Grades PK–6 · 0.1 mi
M
Plains 7-8 SchoolB
Middle · Grades 7–8 · 0.1 mi

District: Plains K-12 Schools

Neighborhood · ZIP 59859These 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.137
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 100.133

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.13%
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.3,603
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.5 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$43,809
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$71,005
Average tempThe average temperature here across a full year.44°F
Annual precipHow much rain and melted snow falls here in a typical year.21 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

121 Lewellen St 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 less than 74% of homes in Plains 59859
  • Costs less per square foot than 78% of homes in Sanders County
  • Has a smaller lot than 74% of homes in Plains 59859
  • Older than 83% of homes in Plains 59859

What homes are worth in Plains 59859

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

This home
$197K$1.2M

This home is worth more than 26% of homes in Plains 59859.

How it measures up in Plains 59859

The dot is this home. The mark in the middle is the typical home in Plains 59859.

Estimated value$392,383
CheaperTypical $541,291Pricier

Pricier than 26% of homes nearby

Price per ft²$276
CheaperTypical $348Pricier

Pricier than 25% of homes nearby

Living area1,424 ft²
SmallerTypical 1,404 ft²Bigger

Bigger than 51% of homes nearby

Lot size0.62 ac
SmallerTypical 3.52 acBigger

Bigger than 26% of homes nearby

Year built1956
OlderTypical 1991Newer

Newer than 17% of homes nearby

How 121 Lewellen St ranks against every home in each area.
MeasureThis homePlains 59859Sanders County
Estimated valuepricier than$392,38326% of homes27% of homes
Price per ft²pricier than$27625% of homes22% of homes
Living areabigger than1,424 ft²51% of homes56% of homes
Lot sizebigger than0.62 ac26% of homes28% of homes
Year builtnewer than195617% of homes18% of homes

About 121 Lewellen St

How much is 121 Lewellen St, Plains, MT worth?

The TopHap Estimate for 121 Lewellen St, Plains, MT is $392,383 as of Sep 24, 2026. The likely range is $374,412 to $410,354. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 121 Lewellen St, Plains, MT last sell?

121 Lewellen St, Plains, MT last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 121 Lewellen St, Plains, MT?

121 Lewellen St, Plains, MT has 2 bedrooms, 2.5 bathrooms, 1,424 square feet of living space and a 0.62-acre lot.

When was 121 Lewellen St, Plains, MT built?

121 Lewellen St, Plains, MT was built in 1956, making it 70 years old. It is a conventional home. The building has 1 story.

What schools serve 121 Lewellen St, Plains, MT?

121 Lewellen St, Plains, MT is assigned to Plains High School (high), rated D-; Plains Elementary School (elementary), rated B-; Plains 7-8 School (middle), rated B. All sit in Plains K-12 Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 121 Lewellen St, Plains, MT compare to other homes in Plains 59859?

Among the 1,928 homes in Plains 59859, it is worth more than 26% of them ($392,383 against a typical $541,291), its price per square foot is higher than 25% of them ($276 against a typical $348), it is bigger than 51% of them (1,424 ft² against a typical 1,404 ft²), its lot is bigger than 26% of them (0.62 ac against a typical 3.52 ac) and it is newer than 17% of them (1956 against a typical 1991). Measured against all of Sanders County, it is worth more than 27% 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 121 Lewellen St, Plains, MT?

The 2026 property tax bill for 121 Lewellen St, Plains, MT was $356. The county assessed it at $318,000.

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