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Rural ResidenceResidential
$556,044$543 / 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 57How 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

ROAD 428

ISMAY, MT 59336
2
Beds
1
Baths
1,024 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.
379.88 ac
Lot SizeThe size of the land the home sits on, from county records.
1918
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

$556K
$318K low$794K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$893 (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.$78,367 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$68,965
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$78,367

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.55
99
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
71
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
58
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
12
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
36
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
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.34%
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.undetermined

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.Rustic
CountyCUSTER
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.1945
Lot (acres)The size of the land the home sits on, from county records.379.88
ConstructionThe main material the home's frame and walls are built from.Log
RoofThe main material covering the roof, such as asphalt shingle or tile.Asbestos
HeatingThe type of heating system in the home.None
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

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

E
Riverview School
Elementary · Grades KG–8 · 8.5 mi
H
Custer County District High SchoolD
High · Grades 9–12 · 37.4 mi

District: Custer County High School District

Neighborhood · ZIP 59336These 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.111
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.101
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.20

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.81%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.19%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.8%
PopulationHow many people live in this area.679
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$71,508
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$92,847
Average tempThe average temperature here across a full year.45°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

Road 428 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 74% of homes in Ismay 59336
  • Costs more per square foot than 80% of homes in Custer County
  • Smaller than 77% of homes in Ismay 59336
  • Has a bigger lot than 97% of homes in Custer County
  • Older than 85% of homes in Ismay 59336

What homes are worth in Ismay 59336

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

This home
$441K$894K

This home is worth more than 26% of homes in Ismay 59336.

How it measures up in Ismay 59336

The dot is this home. The mark in the middle is the typical home in Ismay 59336.

Estimated value$556,044
CheaperTypical $616,836Pricier

Pricier than 26% of homes nearby

Price per ft²$543
CheaperTypical $479Pricier

Pricier than 66% of homes nearby

Living area1,024 ft²
SmallerTypical 1,248 ft²Bigger

Bigger than 23% of homes nearby

Lot size379.88 ac
SmallerTypical 320 acBigger

Bigger than 61% of homes nearby

Year built1918
OlderTypical 1973Newer

Newer than 15% of homes nearby

How Road 428 ranks against every home in each area.
MeasureThis homeIsmay 59336Custer County
Estimated valuepricier than$556,04426% of homes45% of homes
Price per ft²pricier than$54366% of homes80% of homes
Living areabigger than1,024 ft²23% of homes36% of homes
Lot sizebigger than379.88 ac61% of homes97% of homes
Year builtnewer than191815% of homes22% of homes

About Road 428

How much is Road 428, Ismay, MT worth?

The TopHap Estimate for Road 428, Ismay, MT is $556,044 as of Sep 24, 2026. The likely range is $318,415 to $793,673. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did Road 428, Ismay, MT last sell?

Road 428, Ismay, MT last sold on Jan 1, 1900, according to the county's recorded deed.

How big is Road 428, Ismay, MT?

Road 428, Ismay, MT has 2 bedrooms, 1 bathrooms, 1,024 square feet of living space and a 379.88-acre lot.

When was Road 428, Ismay, MT built?

Road 428, Ismay, MT was built in 1918, making it 108 years old. It is a rustic home. The building has 1 story.

What schools serve Road 428, Ismay, MT?

Road 428, Ismay, MT is assigned to Riverview School (elementary); Custer County District High School (high), rated D. All sit in Custer County High School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does Road 428, Ismay, MT compare to other homes in Ismay 59336?

Among the 150 homes in Ismay 59336, it is worth more than 26% of them ($556,044 against a typical $616,836), its price per square foot is higher than 66% of them ($543 against a typical $479), it is bigger than 23% of them (1,024 ft² against a typical 1,248 ft²), its lot is bigger than 61% of them (379.88 ac against a typical 320 ac) and it is newer than 15% of them (1918 against a typical 1973). Measured against all of Custer County, it is worth more than 45% 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 Road 428, Ismay, MT?

The 2026 property tax bill for Road 428, Ismay, MT was $893. The county assessed it at $78,367.

More homes on Road 428

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Assigned schools

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