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Single Family ResidenceResidential

421 9TH AVE W

ROUNDUP, MT 59072
3
Beds
1
Baths
1,223 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.
0.3 ac
Lot SizeThe size of the land the home sits on, from county records.
1920
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.
2
ParkingThe number of parking spaces on the property, including the garage.

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,053 (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.$102,953 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$102,703
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$102,953

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
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.1990
Lot (acres)The size of the land the home sits on, from county records.0.30
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.Central
CoolingThe type of cooling or air conditioning in the home.Central
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
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 192 ft²

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

M
Roundup 7-8D+
Middle · Grades 7–8 · 0.2 mi
H
Roundup High SchoolD-
High · Grades 9–12 · 0.2 mi
E
Roundup Elementary SchoolB+
Elementary · Grades PK–6 · 0.7 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

421 9th Ave W 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.

  • Has a smaller lot than 65% of homes in Musselshell County
  • Older than 76% of homes in Musselshell County

How it measures up in Roundup 59072

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

Living area1,223 ft²
SmallerTypical 1,232 ft²Bigger

Bigger than 50% of homes nearby

Lot size0.3 ac
SmallerTypical 2.28 acBigger

Bigger than 37% of homes nearby

Year built1920
OlderTypical 1978Newer

Newer than 25% of homes nearby

How 421 9th Ave W ranks against every home in each area.
MeasureThis homeRoundup 59072Musselshell County
Living areabigger than1,223 ft²50% of homes48% of homes
Lot sizebigger than0.3 ac37% of homes35% of homes
Year builtnewer than192025% of homes24% of homes

About 421 9th Ave W

When did 421 9th Ave W, Roundup, MT last sell?

421 9th Ave W, Roundup, MT last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 421 9th Ave W, Roundup, MT?

421 9th Ave W, Roundup, MT has 3 bedrooms, 1 bathrooms, 1,223 square feet of living space and a 0.30-acre lot.

When was 421 9th Ave W, Roundup, MT built?

421 9th Ave W, Roundup, MT was built in 1920, making it 106 years old. It is a conventional home. The building has 1 story.

What schools serve 421 9th Ave W, Roundup, MT?

421 9th Ave W, Roundup, MT is assigned to Roundup 7-8 (middle), rated D+; Roundup High School (high), rated D-; Roundup Elementary School (elementary), rated B+. All sit in Roundup Elementary School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 421 9th Ave W, Roundup, MT compare to other homes in Roundup 59072?

Among the 2,500 homes in Roundup 59072, it is bigger than 50% of them (1,223 ft² against a typical 1,232 ft²), its lot is bigger than 37% of them (0.3 ac against a typical 2.28 ac) and it is newer than 25% of them (1920 against a typical 1978). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 421 9th Ave W, Roundup, MT?

The 2026 property tax bill for 421 9th Ave W, Roundup, MT was $1,053. The county assessed it at $102,953.

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