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Rural ResidenceResidential
$1,018,649$759 / 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 90How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026

511 S BOULDER RD

CARDWELL, MT 59721
2
Beds
1.5
Baths
1,342 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.
22.65 ac
Lot SizeThe size of the land the home sits on, from county records.
1995
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$1M
$914K low$1.1M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,664 (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.$1,251,423 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$719,947
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,251,423

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.54
98
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
55
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
53
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
34
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
30
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.118 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%

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.Conventional
CountyMADISON
Lot (acres)The size of the land the home sits on, from county records.22.65
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.Floor/Wall Furnace
CoolingThe type of cooling or air conditioning in the home.Yes
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 · 100 ft²Greenhouse

Transaction History(1)

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
Harrison School
Elementary · Grades PK–5 · 9.2 mi
M
Harrison 6-8
Middle · Grades 6–8 · 9.2 mi
H
Harrison High SchoolC-
High · Grades 9–12 · 9.2 mi

District: Harrison K-12 Schools

Neighborhood · ZIP 59721These 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.119
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.108
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.188

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.23%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.1%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.593
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$60,266
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$81,453
Average tempThe average temperature here across a full year.40°F
Annual precipHow much rain and melted snow falls here in a typical year.17 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

511 S Boulder Rd 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 75% of homes in Cardwell 59721
  • Costs more per square foot than 82% of homes in Cardwell 59721
  • Has a bigger lot than 86% of homes in Madison County

What homes are worth in Cardwell 59721

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

This home
$323K$1.8M

This home is worth more than 75% of homes in Cardwell 59721.

How it measures up in Cardwell 59721

The dot is this home. The mark in the middle is the typical home in Cardwell 59721.

Estimated value$1,018,649
CheaperTypical $700,834Pricier

Pricier than 75% of homes nearby

Price per ft²$759
CheaperTypical $458Pricier

Pricier than 82% of homes nearby

Living area1,342 ft²
SmallerTypical 1,620 ft²Bigger

Bigger than 36% of homes nearby

Lot size22.65 ac
SmallerTypical 20.01 acBigger

Bigger than 60% of homes nearby

Year built1995
OlderTypical 1995Newer

Newer than 50% of homes nearby

How 511 S Boulder Rd ranks against every home in each area.
MeasureThis homeCardwell 59721Madison County
Estimated valuepricier than$1,018,64975% of homes59% of homes
Price per ft²pricier than$75982% of homes67% of homes
Living areabigger than1,342 ft²36% of homes38% of homes
Lot sizebigger than22.65 ac60% of homes86% of homes
Year builtnewer than199550% of homes42% of homes

About 511 S Boulder Rd

How much is 511 S Boulder Rd, Cardwell, MT worth?

The TopHap Estimate for 511 S Boulder Rd, Cardwell, MT is $1,018,649 as of Aug 30, 2026. The likely range is $914,020 to $1,123,278. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 511 S Boulder Rd, Cardwell, MT last sell?

511 S Boulder Rd, Cardwell, MT last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 511 S Boulder Rd, Cardwell, MT?

511 S Boulder Rd, Cardwell, MT has 2 bedrooms, 1.5 bathrooms, 1,342 square feet of living space and a 22.65-acre lot.

When was 511 S Boulder Rd, Cardwell, MT built?

511 S Boulder Rd, Cardwell, MT was built in 1995, making it 31 years old. It is a conventional home. The building has 1 story.

What schools serve 511 S Boulder Rd, Cardwell, MT?

511 S Boulder Rd, Cardwell, MT is assigned to Harrison School (elementary); Harrison 6-8 (middle); Harrison High School (high), rated C-. All sit in Harrison K-12 Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 511 S Boulder Rd, Cardwell, MT compare to other homes in Cardwell 59721?

Among the 233 homes in Cardwell 59721, it is worth more than 75% of them ($1,018,649 against a typical $700,834), its price per square foot is higher than 82% of them ($759 against a typical $458), it is bigger than 36% of them (1,342 ft² against a typical 1,620 ft²), its lot is bigger than 60% of them (22.65 ac against a typical 20.01 ac) and it is newer than 50% of them (1995 against a typical 1995). Measured against all of Madison County, it is worth more than 59% 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 511 S Boulder Rd, Cardwell, MT?

The 2026 property tax bill for 511 S Boulder Rd, Cardwell, MT was $5,664. The county assessed it at $1,251,423.

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