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Single Family ResidenceResidential
$363,543$267 / 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 78How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jun 23, 2026

509 4TH ST W

ROUNDUP, MT 59072
3
Beds
1
Baths
1,364 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.
0.59 ac
Lot SizeThe size of the land the home sits on, from county records.
1945
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
11
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$364K
$284K low$444K 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.$363,543
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$290,834

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,733 (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.$278,400 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$278,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$278,400

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.1990
Lot (acres)The size of the land the home sits on, from county records.0.59
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
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 196 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 · 0.1 mi
H
Roundup High SchoolD-
High · Grades 9–12 · 0.1 mi
E
Roundup Elementary SchoolB+
Elementary · Grades PK–6 · 0.8 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%

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

509 4th St 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.

  • Older than 69% of homes in Musselshell County

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
$82K$736K

This home is worth more than 62% 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$363,543
CheaperTypical $315,170Pricier

Pricier than 62% of homes nearby

Price per ft²$267
CheaperTypical $237Pricier

Pricier than 63% of homes nearby

Living area1,364 ft²
SmallerTypical 1,224 ft²Bigger

Bigger than 59% of homes nearby

Lot size0.59 ac
SmallerTypical 1.83 acBigger

Bigger than 48% of homes nearby

Year built1945
OlderTypical 1977Newer

Newer than 33% of homes nearby

How 509 4th St W ranks against every home in each area.
MeasureThis homeRoundup 59072Musselshell County
Estimated valuepricier than$363,54362% of homes58% of homes
Price per ft²pricier than$26763% of homes58% of homes
Living areabigger than1,364 ft²59% of homes57% of homes
Lot sizebigger than0.59 ac48% of homes46% of homes
Year builtnewer than194533% of homes31% of homes

About 509 4th St W

How much is 509 4th St W, Roundup, MT worth?

The TopHap Estimate for 509 4th St W, Roundup, MT is $363,543 as of Jun 23, 2026. The likely range is $283,563 to $443,522. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 509 4th St W, Roundup, MT last sell?

509 4th St W, Roundup, MT last sold on Jun 11, 2008, according to the county's recorded deed.

How big is 509 4th St W, Roundup, MT?

509 4th St W, Roundup, MT has 3 bedrooms, 1 bathrooms, 1,364 square feet of living space and a 0.59-acre lot.

When was 509 4th St W, Roundup, MT built?

509 4th St W, Roundup, MT was built in 1945, making it 81 years old. It is a historical home. The building has 1 story.

What schools serve 509 4th St W, Roundup, MT?

509 4th St 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 509 4th St W, Roundup, MT compare to other homes in Roundup 59072?

Among the 2,481 homes in Roundup 59072, it is worth more than 62% of them ($363,543 against a typical $315,170), its price per square foot is higher than 63% of them ($267 against a typical $237), it is bigger than 59% of them (1,364 ft² against a typical 1,224 ft²), its lot is bigger than 48% of them (0.59 ac against a typical 1.83 ac) and it is newer than 33% of them (1945 against a typical 1977). Measured against all of Musselshell County, it is worth more than 58% 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 509 4th St W, Roundup, MT?

The 2025 property tax bill for 509 4th St W, Roundup, MT was $1,733. The county assessed it at $278,400.

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