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CondominiumResidential
$266,644$198 / 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 94How 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

145 MONARCH ST

BILLINGS, MT 59101
3
Beds
1.5
Baths
1,350 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.
1,177 ft²
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.
2
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.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$267K
$250K low$283K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,724 (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.$256,800 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$25,336
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$231,464
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$230,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$256,800

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.14
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
48
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
24
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
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.minimal

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
StyleThe architectural style of the home, such as ranch or colonial.Duplex Single
CountyYELLOWSTONE
Lot (acres)The size of the land the home sits on, from county records.0.03
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.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
ViewThe type of view from the property, or another feature of the site that affects value.Neighborhood / Spot
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 ft²Porch · 70 ft²

Transaction History(7)

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.

E
Orchard Elementary SchoolC
Elementary · Grades KG–5 · 0.2 mi
M
Riverside Middle SchoolC-
Middle · Grades 6–8 · 0.4 mi
H
Billings Senior High SchoolC-
High · Grades 9–12 · 1.3 mi

District: Billings Elementary School District

Neighborhood · ZIP 59101These 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.123
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 100.29

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.13%
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.42,522
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.72 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$60,510
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$73,449
Average tempThe average temperature here across a full year.47°F
Annual precipHow much rain and melted snow falls here in a typical year.17 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.60%

Owner Tools

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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

145 Monarch 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 87% of homes in Yellowstone County
  • Smaller than 73% of homes in Yellowstone County
  • Has a smaller lot than 97% of homes in Billings 59101
  • Newer than 82% of homes in Billings 59101

What homes are worth in Billings 59101

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

This home
$163K$782K

This home is worth more than 30% of homes in Billings 59101.

How it measures up in Billings 59101

The dot is this home. The mark in the middle is the typical home in Billings 59101.

Estimated value$266,644
CheaperTypical $312,825Pricier

Pricier than 30% of homes nearby

Price per ft²$198
CheaperTypical $209Pricier

Pricier than 42% of homes nearby

Living area1,350 ft²
SmallerTypical 1,473 ft²Bigger

Bigger than 44% of homes nearby

Lot size1,177 ft²
SmallerTypical 0.16 acBigger

Bigger than 3% of homes nearby

Year built2005
OlderTypical 1972Newer

Newer than 82% of homes nearby

How 145 Monarch St ranks against every home in each area.
MeasureThis homeSouth Central BillingsBillings 59101Yellowstone County
Estimated valuepricier than$266,64432% of homes30% of homes13% of homes
Price per ft²pricier than$19841% of homes42% of homes45% of homes
Living areabigger than1,350 ft²52% of homes44% of homes27% of homes
Lot sizebigger than1,177 ft²6% of homes3% of homes4% of homes
Year builtnewer than200572% of homes82% of homes78% of homes

About 145 Monarch St

How much is 145 Monarch St, Billings, MT worth?

The TopHap Estimate for 145 Monarch St, Billings, MT is $266,644 as of Aug 30, 2026. The likely range is $250,345 to $282,943. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 145 Monarch St, Billings, MT last sell?

145 Monarch St, Billings, MT last sold on Jul 16, 2021, according to the county's recorded deed.

How big is 145 Monarch St, Billings, MT?

145 Monarch St, Billings, MT has 3 bedrooms, 1.5 bathrooms, 1,350 square feet of living space and a 0.03-acre lot.

When was 145 Monarch St, Billings, MT built?

145 Monarch St, Billings, MT was built in 2005, making it 21 years old. It is a duplex single home. The building has 2 stories.

What schools serve 145 Monarch St, Billings, MT?

145 Monarch St, Billings, MT is assigned to Orchard Elementary School (elementary), rated C; Riverside Middle School (middle), rated C-; Billings Senior High School (high), rated C-. All sit in Billings Elementary School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 145 Monarch St, Billings, MT compare to other homes in Billings 59101?

Among the 15,263 homes in Billings 59101, it is worth more than 30% of them ($266,644 against a typical $312,825), its price per square foot is higher than 42% of them ($198 against a typical $209), it is bigger than 44% of them (1,350 ft² against a typical 1,473 ft²), its lot is bigger than 3% of them (1,177 ft² against a typical 0.16 ac) and it is newer than 82% of them (2005 against a typical 1972). Measured against all of Yellowstone County, it is worth more than 13% 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 145 Monarch St, Billings, MT?

The 2025 property tax bill for 145 Monarch St, Billings, MT was $1,724. The county assessed it at $256,800.

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