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Single Family ResidenceResidential
$179,063$140 / 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 91How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026
Last sold for $161,728 on May 26, 2026

21 ONEIL ST

BUTTE, MT 59701
2
Beds
1
Baths
1,279 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.
0.11 ac
Lot SizeThe size of the land the home sits on, from county records.
1900
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
4
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$179K
$163K low$195K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$161,728 · May 26, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,357 (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.$151,057 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$151,057
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$151,057

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.Bungalow
CountySILVER BOW
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.0.11
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
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 · 110 ft²

Transaction History(3)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

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

E
John F. Kennedy Elementary SchoolC
Elementary · Grades KG–6 · 1.1 mi
H
Butte High SchoolC
High · Grades 9–12 · 1.3 mi
M
East Middle SchoolB-
Middle · Grades 7–8 · 2.6 mi

District: Butte High School District

Neighborhood · ZIP 59701These 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.107
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.106
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.127

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.90%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.18%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.14%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.35,301
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.73 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$59,963
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$78,729
Average tempThe average temperature here across a full year.38°F
Annual precipHow much rain and melted snow falls here in a typical year.18 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.59%

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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 Oneil St 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 less than 89% of homes in Butte 59701
  • Costs less per square foot than 95% of homes in Butte 59701
  • Bigger than 83% of homes in Centerville
  • Has a smaller lot than 71% of homes in Butte 59701
  • Older than 87% of homes in Butte 59701

What homes are worth in Butte 59701

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

This home
$128K$833K

This home is worth more than 11% of homes in Butte 59701.

How it measures up in Butte 59701

The dot is this home. The mark in the middle is the typical home in Butte 59701.

Estimated value$179,063
CheaperTypical $290,844Pricier

Pricier than 11% of homes nearby

Price per ft²$140
CheaperTypical $237Pricier

Pricier than 5% of homes nearby

Living area1,279 ft²
SmallerTypical 1,254 ft²Bigger

Bigger than 52% of homes nearby

Lot size0.11 ac
SmallerTypical 0.15 acBigger

Bigger than 29% of homes nearby

Year built1900
OlderTypical 1950Newer

Newer than 13% of homes nearby

How 21 Oneil St ranks against every home in each area.
MeasureThis homeCentervilleButte 59701
Estimated valuepricier than$179,06360% of homes11% of homes
Price per ft²pricier than$14021% of homes5% of homes
Living areabigger than1,279 ft²83% of homes52% of homes
Lot sizebigger than0.11 ac66% of homes29% of homes
Year builtnewer than190078% of homes13% of homes

About 21 Oneil St

How much is 21 Oneil St, Butte, MT worth?

The TopHap Estimate for 21 Oneil St, Butte, MT is $179,063 as of Sep 24, 2026. The likely range is $163,354 to $194,772. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Oneil St, Butte, MT last sell?

21 Oneil St, Butte, MT last sold on May 26, 2026 for $161,728, according to the county's recorded deed.

How big is 21 Oneil St, Butte, MT?

21 Oneil St, Butte, MT has 2 bedrooms, 1 bathrooms, 1,279 square feet of living space and a 0.11-acre lot.

When was 21 Oneil St, Butte, MT built?

21 Oneil St, Butte, MT was built in 1900, making it 126 years old. It is a bungalow home. The building has 1 story.

What schools serve 21 Oneil St, Butte, MT?

21 Oneil St, Butte, MT is assigned to John F. Kennedy Elementary School (elementary), rated C; Butte High School (high), rated C; East Middle School (middle), rated B-. All sit in Butte High School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Oneil St, Butte, MT compare to other homes in Butte 59701?

Among the 14,779 homes in Butte 59701, it is worth more than 11% of them ($179,063 against a typical $290,844), its price per square foot is higher than 5% of them ($140 against a typical $237), it is bigger than 52% of them (1,279 ft² against a typical 1,254 ft²), its lot is bigger than 29% of them (0.11 ac against a typical 0.15 ac) and it is newer than 13% of them (1900 against a typical 1950). 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 Oneil St, Butte, MT?

The 2026 property tax bill for 21 Oneil St, Butte, MT was $1,357. The county assessed it at $151,057.

More homes on Oneil St

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Assigned schools

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