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Rural ResidenceResidential
$521,148$405 / 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 55How 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

431 BOULDER LN

FOREST GROVE, MT 59441
2
Beds
2
Baths
1,288 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.
20 ac
Lot SizeThe size of the land the home sits on, from county records.
2005
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$521K
$289K low$753K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,928 (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.$482,816 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$482,816
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$482,816

Climate Risk

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.51%
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.possible but 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
CountyFERGUS
Lot (acres)The size of the land the home sits on, from county records.20.00
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.Metal
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
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.Deck · 100 ft²Shed · 120 ft²Porch · 944 ft²

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

E
Grass Range School
Elementary · Grades PK–6 · 16.4 mi
H
Grass Range High SchoolA
High · Grades 9–12 · 16.4 mi
M
Grass Range 7-8
Middle · Grades 7–8 · 16.4 mi

District: Grass Range High School District

Neighborhood · ZIP 59441These 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.167
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.105
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.27

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.71%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.13%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.12%
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.125
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.$57,323
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$86,415
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.62%

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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

431 Boulder Ln 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 74% of homes in Forest Grove 59441
  • Costs more per square foot than 81% of homes in Fergus County
  • Has a bigger lot than 76% of homes in Fergus County
  • Newer than 88% of homes in Fergus County

What homes are worth in Forest Grove 59441

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

This home
$194K$1M

This home is worth more than 74% of homes in Forest Grove 59441.

How it measures up in Forest Grove 59441

The dot is this home. The mark in the middle is the typical home in Forest Grove 59441.

Estimated value$521,148
CheaperTypical $309,075Pricier

Pricier than 74% of homes nearby

Price per ft²$405
CheaperTypical $338Pricier

Pricier than 74% of homes nearby

Living area1,288 ft²
SmallerTypical 1,104 ft²Bigger

Bigger than 58% of homes nearby

Lot size20 ac
SmallerTypical 20.2 acBigger

Bigger than 34% of homes nearby

Year built2005
OlderTypical 1993Newer

Newer than 78% of homes nearby

How 431 Boulder Ln ranks against every home in each area.
MeasureThis homeForest Grove 59441Fergus County
Estimated valuepricier than$521,14874% of homes73% of homes
Price per ft²pricier than$40574% of homes81% of homes
Living areabigger than1,288 ft²58% of homes50% of homes
Lot sizebigger than20 ac34% of homes76% of homes
Year builtnewer than200578% of homes88% of homes

About 431 Boulder Ln

How much is 431 Boulder Ln, Forest Grove, MT worth?

The TopHap Estimate for 431 Boulder Ln, Forest Grove, MT is $521,148 as of Sep 24, 2026. The likely range is $289,105 to $753,191. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 431 Boulder Ln, Forest Grove, MT last sell?

431 Boulder Ln, Forest Grove, MT last sold on Oct 14, 2022, according to the county's recorded deed.

How big is 431 Boulder Ln, Forest Grove, MT?

431 Boulder Ln, Forest Grove, MT has 2 bedrooms, 2 bathrooms, 1,288 square feet of living space and a 20.00-acre lot.

When was 431 Boulder Ln, Forest Grove, MT built?

431 Boulder Ln, Forest Grove, MT was built in 2005, making it 21 years old. It is a rustic home. The building has 1 story.

What schools serve 431 Boulder Ln, Forest Grove, MT?

431 Boulder Ln, Forest Grove, MT is assigned to Grass Range School (elementary); Grass Range High School (high), rated A; Grass Range 7-8 (middle). All sit in Grass Range High School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 431 Boulder Ln, Forest Grove, MT compare to other homes in Forest Grove 59441?

Among the 101 homes in Forest Grove 59441, it is worth more than 74% of them ($521,148 against a typical $309,075), its price per square foot is higher than 74% of them ($405 against a typical $338), it is bigger than 58% of them (1,288 ft² against a typical 1,104 ft²), its lot is bigger than 34% of them (20 ac against a typical 20.2 ac) and it is newer than 78% of them (2005 against a typical 1993). Measured against all of Fergus County, it is worth more than 73% 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 431 Boulder Ln, Forest Grove, MT?

The 2026 property tax bill for 431 Boulder Ln, Forest Grove, MT was $1,928. The county assessed it at $482,816.

Closest homes

More homes in Forest Grove 59441

Assigned schools

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