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Single Family ResidenceResidential

21 11TH AVE W

ROUNDUP, MT 59072
5
Beds
2
Baths
2,352 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.
0.32 ac
Lot SizeThe size of the land the home sits on, from county records.
1917
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
12
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.

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,700 (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.$275,600 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$329,970
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$275,600

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.37
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
70
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
61
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.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Historical
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.1975
Lot (acres)The size of the land the home sits on, from county records.0.32
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Concrete
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.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.Deck · 25 ft²Shed · 48 ft²Porch · 252 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 · 0.4 mi
M
Roundup 7-8C
Middle · Grades 7–8 · 0.5 mi
H
Roundup High SchoolC
High · Grades 9–12 · 0.5 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 11th 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.

  • Bigger than 94% of homes in Roundup 59072
  • Older than 87% 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.

Living area2,352 ft²
SmallerTypical 1,230 ft²Bigger

Bigger than 94% of homes nearby

Lot size0.32 ac
SmallerTypical 2.28 acBigger

Bigger than 43% of homes nearby

Year built1917
OlderTypical 1978Newer

Newer than 13% of homes nearby

How 21 11th Ave W ranks against every home in each area.
MeasureThis homeRoundup 59072Musselshell County
Living areabigger than2,352 ft²94% of homes93% of homes
Lot sizebigger than0.32 ac43% of homes41% of homes
Year builtnewer than191713% of homes13% of homes

About 21 11th Ave W

When did 21 11th Ave W, Roundup, MT last sell?

21 11th Ave W, Roundup, MT last sold on Sep 25, 2003, according to the county's recorded deed.

How big is 21 11th Ave W, Roundup, MT?

21 11th Ave W, Roundup, MT has 5 bedrooms, 2 bathrooms, 2,352 square feet of living space and a 0.32-acre lot.

When was 21 11th Ave W, Roundup, MT built?

21 11th Ave W, Roundup, MT was built in 1917, making it 109 years old. It is a historical home. The building has 2 stories.

What schools serve 21 11th Ave W, Roundup, MT?

21 11th Ave W, Roundup, MT is assigned to Roundup Elementary School (elementary), rated B-; Roundup 7-8 (middle), rated C; Roundup High School (high), rated C. All sit in Roundup Elementary School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 11th Ave W, Roundup, MT compare to other homes in Roundup 59072?

Among the 2,501 homes in Roundup 59072, it is bigger than 94% of them (2,352 ft² against a typical 1,230 ft²), its lot is bigger than 43% of them (0.32 ac against a typical 2.28 ac) and it is newer than 13% of them (1917 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 21 11th Ave W, Roundup, MT?

The 2026 property tax bill for 21 11th Ave W, Roundup, MT was $1,700. The county assessed it at $275,600.

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