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Rural ResidenceResidential
$424,464$263 / 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 94How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026

16643 US HIGHWAY 12 W

ROUNDUP, MT 59072
3
Beds
2
Baths
1,612 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.
20.32 ac
Lot SizeThe size of the land the home sits on, from county records.
2018
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$424K
$401K low$448K high
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$424,464
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$339,571

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,330 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$276,502 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$211,217
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$276,502

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.30%
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.Rural Residence
StyleThe architectural style of the home, such as ranch or colonial.Mobile Home
CountyMUSSELSHELL
Lot (acres)The size of the land the home sits on, from county records.20.32
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
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 · 240 ft²Porch · 336 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 · 2.6 mi
H
Roundup High SchoolD-
High · Grades 9–12 · 2.6 mi
E
Roundup Elementary SchoolB+
Elementary · Grades PK–6 · 3.4 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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

16643 Us Highway 12 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.

  • Worth more than 73% of homes in Roundup 59072
  • Bigger than 73% of homes in Roundup 59072
  • Has a bigger lot than 78% of homes in Roundup 59072
  • Newer than 92% 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
$84K$740K

This home is worth more than 73% 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$424,464
CheaperTypical $314,270Pricier

Pricier than 73% of homes nearby

Price per ft²$263
CheaperTypical $238Pricier

Pricier than 60% of homes nearby

Living area1,612 ft²
SmallerTypical 1,231 ft²Bigger

Bigger than 73% of homes nearby

Lot size20.32 ac
SmallerTypical 2 acBigger

Bigger than 78% of homes nearby

Year built2018
OlderTypical 1977Newer

Newer than 92% of homes nearby

How 16643 Us Highway 12 W ranks against every home in each area.
MeasureThis homeRoundup 59072Musselshell County
Estimated valuepricier than$424,46473% of homes70% of homes
Price per ft²pricier than$26360% of homes55% of homes
Living areabigger than1,612 ft²73% of homes72% of homes
Lot sizebigger than20.32 ac78% of homes74% of homes
Year builtnewer than201892% of homes91% of homes

About 16643 Us Highway 12 W

How much is 16643 Us Highway 12 W, Roundup, MT worth?

The TopHap Estimate for 16643 Us Highway 12 W, Roundup, MT is $424,464 as of Jul 14, 2026. The likely range is $400,516 to $448,412. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 16643 Us Highway 12 W, Roundup, MT last sell?

16643 Us Highway 12 W, Roundup, MT last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 16643 Us Highway 12 W, Roundup, MT?

16643 Us Highway 12 W, Roundup, MT has 3 bedrooms, 2 bathrooms, 1,612 square feet of living space and a 20.32-acre lot.

When was 16643 Us Highway 12 W, Roundup, MT built?

16643 Us Highway 12 W, Roundup, MT was built in 2018, making it 8 years old. It is a mobile home home. The building has 1 story.

What schools serve 16643 Us Highway 12 W, Roundup, MT?

16643 Us Highway 12 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 16643 Us Highway 12 W, Roundup, MT compare to other homes in Roundup 59072?

Among the 2,481 homes in Roundup 59072, it is worth more than 73% of them ($424,464 against a typical $314,270), its price per square foot is higher than 60% of them ($263 against a typical $238), it is bigger than 73% of them (1,612 ft² against a typical 1,231 ft²), its lot is bigger than 78% of them (20.32 ac against a typical 2 ac) and it is newer than 92% of them (2018 against a typical 1977). Measured against all of Musselshell County, it is worth more than 70% 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 16643 Us Highway 12 W, Roundup, MT?

The 2025 property tax bill for 16643 Us Highway 12 W, Roundup, MT was $1,330. The county assessed it at $276,502.

Closest homes

More homes in Roundup 59072

Assigned schools

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