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Single Family ResidenceResidential
$430,294$354 / 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 93How 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
Last sold for $618,800 on Jul 20, 2021

12 DIEHL RANCH RD

PLAINS, MT 59859
3
Beds
1
Baths
1,216 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.
5.14 ac
Lot SizeThe size of the land the home sits on, from county records.
1950
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$430K
$398K low$462K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$618,800 · Jul 20, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$279 (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.$373,900 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$311,300
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$373,900

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.38
24
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.
57
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
39
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
16
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.20 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%

Scores 0–100; higher = greater projected risk.

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.Ranch
CountySANDERS
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.1995
Lot (acres)The size of the land the home sits on, from county records.5.14
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
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
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 · 96 ft²Porch · 72 ft²

Transaction History(2)

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.

H
Plains High SchoolD-
High · Grades 9–12 · 1.2 mi
E
Plains Elementary SchoolB-
Elementary · Grades PK–6 · 1.2 mi
M
Plains 7-8 SchoolB
Middle · Grades 7–8 · 1.2 mi

District: Plains K-12 Schools

Neighborhood · ZIP 59859These 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.137
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.107
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.133

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.86%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.11%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.13%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.3,603
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.5 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$43,809
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$71,005
Average tempThe average temperature here across a full year.44°F
Annual precipHow much rain and melted snow falls here in a typical year.21 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.52%

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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

12 Diehl Ranch 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 less than 65% of homes in Plains 59859
  • Older than 85% of homes in Plains 59859

What homes are worth in Plains 59859

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

This home
$206K$1.1M

This home is worth more than 35% of homes in Plains 59859.

How it measures up in Plains 59859

The dot is this home. The mark in the middle is the typical home in Plains 59859.

Estimated value$430,294
CheaperTypical $527,214Pricier

Pricier than 35% of homes nearby

Price per ft²$354
CheaperTypical $341Pricier

Pricier than 53% of homes nearby

Living area1,216 ft²
SmallerTypical 1,404 ft²Bigger

Bigger than 38% of homes nearby

Lot size5.14 ac
SmallerTypical 3.71 acBigger

Bigger than 59% of homes nearby

Year built1950
OlderTypical 1991Newer

Newer than 15% of homes nearby

How 12 Diehl Ranch Rd ranks against every home in each area.
MeasureThis homePlains 59859Sanders County
Estimated valuepricier than$430,29435% of homes35% of homes
Price per ft²pricier than$35453% of homes46% of homes
Living areabigger than1,216 ft²38% of homes42% of homes
Lot sizebigger than5.14 ac59% of homes62% of homes
Year builtnewer than195015% of homes16% of homes

About 12 Diehl Ranch Rd

How much is 12 Diehl Ranch Rd, Plains, MT worth?

The TopHap Estimate for 12 Diehl Ranch Rd, Plains, MT is $430,294 as of Aug 30, 2026. The likely range is $398,232 to $462,356. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 12 Diehl Ranch Rd, Plains, MT last sell?

12 Diehl Ranch Rd, Plains, MT last sold on Jul 20, 2021 for $618,800, according to the county's recorded deed.

How big is 12 Diehl Ranch Rd, Plains, MT?

12 Diehl Ranch Rd, Plains, MT has 3 bedrooms, 1 bathrooms, 1,216 square feet of living space and a 5.14-acre lot.

When was 12 Diehl Ranch Rd, Plains, MT built?

12 Diehl Ranch Rd, Plains, MT was built in 1950, making it 76 years old. It is a ranch home. The building has 1 story.

What schools serve 12 Diehl Ranch Rd, Plains, MT?

12 Diehl Ranch Rd, Plains, MT is assigned to Plains High School (high), rated D-; Plains Elementary School (elementary), rated B-; Plains 7-8 School (middle), rated B. All sit in Plains K-12 Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 12 Diehl Ranch Rd, Plains, MT compare to other homes in Plains 59859?

Among the 1,928 homes in Plains 59859, it is worth more than 35% of them ($430,294 against a typical $527,214), its price per square foot is higher than 53% of them ($354 against a typical $341), it is bigger than 38% of them (1,216 ft² against a typical 1,404 ft²), its lot is bigger than 59% of them (5.14 ac against a typical 3.71 ac) and it is newer than 15% of them (1950 against a typical 1991). Measured against all of Sanders County, it is worth more than 35% 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 12 Diehl Ranch Rd, Plains, MT?

The 2026 property tax bill for 12 Diehl Ranch Rd, Plains, MT was $279. The county assessed it at $373,900.

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