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Single Family ResidenceResidential
$381,127$676 / 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 95How 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

21 E ADAMS ST

THREE FORKS, MT 59752
1
Beds
1
Baths
564 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.
0.16 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.
3
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
4
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$381K
$360K low$402K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,380 (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.$338,300 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$320,600
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$338,300

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.1 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
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.1 percent flood zone

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.Conventional
CountyGALLATIN
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.0.16
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.Roll Composition (rolled Mineral Roof)
HeatingThe type of heating system in the home.Electric
CoolingThe type of cooling or air conditioning in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.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 · 24 ft²

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

E
Three Forks Elementary SchoolC-
Elementary · Grades PK–5 · 0.4 mi
M
Three Forks 7-8C-
Middle · Grades 6–8 · 0.4 mi
H
Three Forks High SchoolB-
High · Grades 9–12 · 0.4 mi

District: Three Forks Elementary School District

Neighborhood · ZIP 59752These 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.98
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.100
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.202

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.6.4%
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.4,893
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.9 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$75,051
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$87,000
Average tempThe average temperature here across a full year.43°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

21 E Adams 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 95% of homes in Gallatin County
  • Costs more per square foot than 96% of homes in Three Forks 59752
  • Among the smallest homes in Gallatin County
  • Has a smaller lot than 97% of homes in Three Forks 59752
  • Older than 97% of homes in Gallatin County

What homes are worth in Three Forks 59752

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

This home
$276K$1.5M

This home is worth more than 11% of homes in Three Forks 59752.

How it measures up in Three Forks 59752

The dot is this home. The mark in the middle is the typical home in Three Forks 59752.

Estimated value$381,127
CheaperTypical $561,635Pricier

Pricier than 11% of homes nearby

Price per ft²$676
CheaperTypical $357Pricier

Pricier than 96% of homes nearby

Living area564 ft²
SmallerTypical 1,527 ft²Bigger

Bigger than 4% of homes nearby

Lot size0.16 ac
SmallerTypical 1.62 acBigger

Bigger than 3% of homes nearby

Year built1918
OlderTypical 2003Newer

Newer than 9% of homes nearby

How 21 E Adams St ranks against every home in each area.
MeasureThis homeThree Forks 59752Gallatin County
Estimated valuepricier than$381,12711% of homes5% of homes
Price per ft²pricier than$67696% of homes73% of homes
Living areabigger than564 ft²4% of homesalmost no homes
Lot sizebigger than0.16 ac3% of homes19% of homes
Year builtnewer than19189% of homes3% of homes

About 21 E Adams St

How much is 21 E Adams St, Three Forks, MT worth?

The TopHap Estimate for 21 E Adams St, Three Forks, MT is $381,127 as of Aug 30, 2026. The likely range is $360,424 to $401,830. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 E Adams St, Three Forks, MT last sell?

21 E Adams St, Three Forks, MT last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 21 E Adams St, Three Forks, MT?

21 E Adams St, Three Forks, MT has 1 bedrooms, 1 bathrooms, 564 square feet of living space and a 0.16-acre lot.

When was 21 E Adams St, Three Forks, MT built?

21 E Adams St, Three Forks, MT was built in 1918, making it 108 years old. It is a conventional home. The building has 1 story.

What schools serve 21 E Adams St, Three Forks, MT?

21 E Adams St, Three Forks, MT is assigned to Three Forks Elementary School (elementary), rated C-; Three Forks 7-8 (middle), rated C-; Three Forks High School (high), rated B-. All sit in Three Forks Elementary School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 E Adams St, Three Forks, MT compare to other homes in Three Forks 59752?

Among the 2,448 homes in Three Forks 59752, it is worth more than 11% of them ($381,127 against a typical $561,635), its price per square foot is higher than 96% of them ($676 against a typical $357), it is bigger than 4% of them (564 ft² against a typical 1,527 ft²), its lot is bigger than 3% of them (0.16 ac against a typical 1.62 ac) and it is newer than 9% of them (1918 against a typical 2003). Measured against all of Gallatin County, it is worth more than 5% 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 21 E Adams St, Three Forks, MT?

The 2026 property tax bill for 21 E Adams St, Three Forks, MT was $1,380. The county assessed it at $338,300.

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