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Single Family ResidenceResidential
$436,944$260 / 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 85How 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

105 S MONROE ST

BOULDER, MT 59632
4
Beds
2 / 1
Baths
1,680 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.
0.36 ac
Lot SizeThe size of the land the home sits on, from county records.
1890
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$437K
$372K low$502K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,039 (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.$461,912 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$461,912
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$461,912

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

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.Historical
CountyJefferson
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.1950
Lot (acres)The size of the land the home sits on, from county records.0.36
ConstructionThe main material the home's frame and walls are built from.Masonry/Concrete Masonry Units (Cmus)
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Concrete
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 84 ft²

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

M
Boulder 7-8 SchoolA
Middle · Grades 7–8 · 0.1 mi
E
Boulder Elementary SchoolA-
Elementary · Grades PK–6 · 0.1 mi
H
Jefferson High SchoolD+
High · Grades 9–12 · 0.3 mi

District: Jefferson High School District

Neighborhood · ZIP 59632These 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.136
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.102
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.173

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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.19%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.2%
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.2,840
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.6 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$67,225
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$90,916
Average tempThe average temperature here across a full year.37°F
Annual precipHow much rain and melted snow falls here in a typical year.23 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

105 S Monroe 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 72% of homes in Jefferson County
  • Costs less per square foot than 86% of homes in Jefferson County
  • Bigger than 77% of homes in Boulder 59632
  • Has a smaller lot than 85% of homes in Jefferson County
  • Among the oldest homes in Jefferson County

What homes are worth in Boulder 59632

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

This home
$173K$1.1M

This home is worth more than 62% of homes in Boulder 59632.

How it measures up in Boulder 59632

The dot is this home. The mark in the middle is the typical home in Boulder 59632.

Estimated value$436,944
CheaperTypical $390,241Pricier

Pricier than 62% of homes nearby

Price per ft²$260
CheaperTypical $316Pricier

Pricier than 31% of homes nearby

Living area1,680 ft²
SmallerTypical 1,216 ft²Bigger

Bigger than 77% of homes nearby

Lot size0.36 ac
SmallerTypical 0.56 acBigger

Bigger than 40% of homes nearby

Year built1890
OlderTypical 1979Newer

Newer than 3% of homes nearby

How 105 S Monroe St ranks against every home in each area.
MeasureThis homeBoulder 59632Jefferson County
Estimated valuepricier than$436,94462% of homes28% of homes
Price per ft²pricier than$26031% of homes14% of homes
Living areabigger than1,680 ft²77% of homes63% of homes
Lot sizebigger than0.36 ac40% of homes15% of homes
Year builtnewer than18903% of homesalmost no homes

About 105 S Monroe St

How much is 105 S Monroe St, Boulder, MT worth?

The TopHap Estimate for 105 S Monroe St, Boulder, MT is $436,944 as of Aug 30, 2026. The likely range is $372,337 to $501,551. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 105 S Monroe St, Boulder, MT last sell?

105 S Monroe St, Boulder, MT last sold on Jun 27, 2003, according to the county's recorded deed.

How big is 105 S Monroe St, Boulder, MT?

105 S Monroe St, Boulder, MT has 4 bedrooms, 2 bathrooms, 1,680 square feet of living space and a 0.36-acre lot.

When was 105 S Monroe St, Boulder, MT built?

105 S Monroe St, Boulder, MT was built in 1890, making it 136 years old. It is a historical home. The building has 2 stories.

What schools serve 105 S Monroe St, Boulder, MT?

105 S Monroe St, Boulder, MT is assigned to Boulder 7-8 School (middle), rated A; Boulder Elementary School (elementary), rated A-; Jefferson High School (high), rated D+. All sit in Jefferson High School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 105 S Monroe St, Boulder, MT compare to other homes in Boulder 59632?

Among the 1,000 homes in Boulder 59632, it is worth more than 62% of them ($436,944 against a typical $390,241), its price per square foot is higher than 31% of them ($260 against a typical $316), it is bigger than 77% of them (1,680 ft² against a typical 1,216 ft²), its lot is bigger than 40% of them (0.36 ac against a typical 0.56 ac) and it is newer than 3% of them (1890 against a typical 1979). Measured against all of Jefferson County, it is worth more than 28% 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 105 S Monroe St, Boulder, MT?

The 2025 property tax bill for 105 S Monroe St, Boulder, MT was $3,039. The county assessed it at $461,912.

More homes on S Monroe St

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Assigned schools

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