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Single Family ResidenceResidential
$370,655$246 / 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 Jul 14, 2026
Last sold for $290,400 on Oct 15, 2019

312 DIAMOND ST

SAINT IGNATIUS, MT 59865
3
Beds
2
Baths
1,505 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.
0.34 ac
Lot SizeThe size of the land the home sits on, from county records.
1999
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
6
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$371K
$334K low$407K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$290,400 · Oct 15, 2019

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,189 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$426,300 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$337,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$426,300

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
CountyLAKE
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.2005
Lot (acres)The size of the land the home sits on, from county records.0.34
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.Electric
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.Mixed
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 · 130 ft²Porch · 258 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
St Ignatius High SchoolD-
High · Grades 9–12 · 0.2 mi
M
St Ignatius Middle SchoolC+
Middle · Grades 6–8 · 0.2 mi
E
St Ignatius Elementary SchoolD-
Elementary · Grades PK–5 · 0.2 mi

District: St. Ignatius K-12 Schools

Neighborhood · ZIP 59865These 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.105
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.103
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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.15%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.14%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.9%
PopulationHow many people live in this area.3,419
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.23 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$53,726
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$74,768
Average tempThe average temperature here across a full year.43°F
Annual precipHow much rain and melted snow falls here in a typical year.30 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

312 Diamond 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 86% of homes in Lake County
  • Costs less per square foot than 93% of homes in Lake County
  • Has a smaller lot than 80% of homes in Saint Ignatius 59865
  • Newer than 72% of homes in Saint Ignatius 59865

What homes are worth in Saint Ignatius 59865

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

This home
$246K$1.6M

This home is worth more than 17% of homes in Saint Ignatius 59865.

How it measures up in Saint Ignatius 59865

The dot is this home. The mark in the middle is the typical home in Saint Ignatius 59865.

Estimated value$370,655
CheaperTypical $623,969Pricier

Pricier than 17% of homes nearby

Price per ft²$246
CheaperTypical $389Pricier

Pricier than 12% of homes nearby

Living area1,505 ft²
SmallerTypical 1,440 ft²Bigger

Bigger than 55% of homes nearby

Lot size0.34 ac
SmallerTypical 5.02 acBigger

Bigger than 20% of homes nearby

Year built1999
OlderTypical 1982Newer

Newer than 72% of homes nearby

How 312 Diamond St ranks against every home in each area.
MeasureThis homeSaint Ignatius 59865Lake County
Estimated valuepricier than$370,65517% of homes14% of homes
Price per ft²pricier than$24612% of homes7% of homes
Living areabigger than1,505 ft²55% of homes57% of homes
Lot sizebigger than0.34 ac20% of homes24% of homes
Year builtnewer than199972% of homes71% of homes

About 312 Diamond St

How much is 312 Diamond St, Saint Ignatius, MT worth?

The TopHap Estimate for 312 Diamond St, Saint Ignatius, MT is $370,655 as of Jul 14, 2026. The likely range is $333,953 to $407,357. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 312 Diamond St, Saint Ignatius, MT last sell?

312 Diamond St, Saint Ignatius, MT last sold on Oct 15, 2019 for $290,400, according to the county's recorded deed.

How big is 312 Diamond St, Saint Ignatius, MT?

312 Diamond St, Saint Ignatius, MT has 3 bedrooms, 2 bathrooms, 1,505 square feet of living space and a 0.34-acre lot.

When was 312 Diamond St, Saint Ignatius, MT built?

312 Diamond St, Saint Ignatius, MT was built in 1999, making it 27 years old. It is a conventional home. The building has 1 story.

What schools serve 312 Diamond St, Saint Ignatius, MT?

312 Diamond St, Saint Ignatius, MT is assigned to St Ignatius High School (high), rated D-; St Ignatius Middle School (middle), rated C+; St Ignatius Elementary School (elementary), rated D-. All sit in St. Ignatius K-12 Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 312 Diamond St, Saint Ignatius, MT compare to other homes in Saint Ignatius 59865?

Among the 1,137 homes in Saint Ignatius 59865, it is worth more than 17% of them ($370,655 against a typical $623,969), its price per square foot is higher than 12% of them ($246 against a typical $389), it is bigger than 55% of them (1,505 ft² against a typical 1,440 ft²), its lot is bigger than 20% of them (0.34 ac against a typical 5.02 ac) and it is newer than 72% of them (1999 against a typical 1982). Measured against all of Lake County, it is worth more than 14% 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 312 Diamond St, Saint Ignatius, MT?

The 2025 property tax bill for 312 Diamond St, Saint Ignatius, MT was $2,189. The county assessed it at $426,300.

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