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Mobile HomeResidential
$478,554$197 / 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 97How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026

21 BIG BUCK TRL

ROUNDUP, MT 59072
4
Beds
3
Baths
2,428 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.
20.24 ac
Lot SizeThe size of the land the home sits on, from county records.
2008
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$479K
$466K low$492K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$736 (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.$205,903 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$176,578
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$205,903

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.38
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
79
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
60
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
5
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
49
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
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.minimal

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Mobile Home
StyleThe architectural style of the home, such as ranch or colonial.Mobile Home
CountyMUSSELSHELL
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.2015
Lot (acres)The size of the land the home sits on, from county records.20.24
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.Forced Air With Air Conditioning
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.Deck · 120 ft²Shed · 96 ft²

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

E
Roundup Elementary SchoolB+
Elementary · Grades PK–6 · 8.4 mi
M
Roundup 7-8D+
Middle · Grades 7–8 · 8.8 mi
H
Roundup High SchoolD-
High · Grades 9–12 · 8.8 mi

District: Roundup Elementary School District

Neighborhood · ZIP 59072These 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.123
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.103
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.22

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.80%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.15%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.3%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.9%
PopulationHow many people live in this area.4,456
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$56,975
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$75,504
Average tempThe average temperature here across a full year.46°F
Annual precipHow much rain and melted snow falls here in a typical year.14 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.60%

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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

21 Big Buck Trl 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 80% of homes in Roundup 59072
  • Costs less per square foot than 77% of homes in Roundup 59072
  • Bigger than 94% of homes in Roundup 59072
  • Has a bigger lot than 77% of homes in Roundup 59072
  • Newer than 82% of homes in Roundup 59072

What homes are worth in Roundup 59072

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

This home
$198K$693K

This home is worth more than 80% of homes in Roundup 59072.

How it measures up in Roundup 59072

The dot is this home. The mark in the middle is the typical home in Roundup 59072.

Estimated value$478,554
CheaperTypical $351,670Pricier

Pricier than 80% of homes nearby

Price per ft²$197
CheaperTypical $240Pricier

Pricier than 23% of homes nearby

Living area2,428 ft²
SmallerTypical 1,232 ft²Bigger

Bigger than 94% of homes nearby

Lot size20.24 ac
SmallerTypical 3.22 acBigger

Bigger than 77% of homes nearby

Year built2008
OlderTypical 1978Newer

Newer than 82% of homes nearby

How 21 Big Buck Trl ranks against every home in each area.
MeasureThis homeRoundup 59072Musselshell County
Estimated valuepricier than$478,55480% of homes80% of homes
Price per ft²pricier than$19723% of homes24% of homes
Living areabigger than2,428 ft²94% of homes94% of homes
Lot sizebigger than20.24 ac77% of homes73% of homes
Year builtnewer than200882% of homes82% of homes

About 21 Big Buck Trl

How much is 21 Big Buck Trl, Roundup, MT worth?

The TopHap Estimate for 21 Big Buck Trl, Roundup, MT is $478,554 as of Aug 30, 2026. The likely range is $465,591 to $491,517. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Big Buck Trl, Roundup, MT last sell?

21 Big Buck Trl, Roundup, MT last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 21 Big Buck Trl, Roundup, MT?

21 Big Buck Trl, Roundup, MT has 4 bedrooms, 3 bathrooms, 2,428 square feet of living space and a 20.24-acre lot.

When was 21 Big Buck Trl, Roundup, MT built?

21 Big Buck Trl, Roundup, MT was built in 2008, making it 18 years old. It is a mobile home home. The building has 1 story.

What schools serve 21 Big Buck Trl, Roundup, MT?

21 Big Buck Trl, Roundup, MT is assigned to Roundup Elementary School (elementary), rated B+; Roundup 7-8 (middle), rated D+; Roundup High School (high), rated D-. All sit in Roundup Elementary School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Big Buck Trl, Roundup, MT compare to other homes in Roundup 59072?

Among the 2,501 homes in Roundup 59072, it is worth more than 80% of them ($478,554 against a typical $351,670), its price per square foot is higher than 23% of them ($197 against a typical $240), it is bigger than 94% of them (2,428 ft² against a typical 1,232 ft²), its lot is bigger than 77% of them (20.24 ac against a typical 3.22 ac) and it is newer than 82% of them (2008 against a typical 1978). Measured against all of Musselshell County, it is worth more than 80% 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 21 Big Buck Trl, Roundup, MT?

The 2026 property tax bill for 21 Big Buck Trl, Roundup, MT was $736. The county assessed it at $205,903.

More homes on Big Buck Trl

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