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Single Family ResidenceResidential
$305,643$273 / 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 88How 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

819 ROSEMARY RD

HELENA, MT 59602
2
Beds
1
Baths
1,120 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.
0.46 ac
Lot SizeThe size of the land the home sits on, from county records.
1980
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
4
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$306K
$270K low$342K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$258 (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.$258,300 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$242,700
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$258,300

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.20 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.34%
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
CountyLEWIS AND CLARK
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.1985
Lot (acres)The size of the land the home sits on, from county records.0.46
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
PoolWhether the property has a pool, and what kind, such as in-ground.No

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

E
Rossiter SchoolC+
Elementary · Grades PK–5 · 1.4 mi
H
Capital High SchoolA-
High · Grades 9–12 · 4.5 mi
M
C R Anderson Middle SchoolB
Middle · Grades 6–8 · 5.6 mi

District: Helena Elementary School District

Neighborhood · ZIP 59602These 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.60
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.106
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.164

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.29%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.7%
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.29,805
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.47 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$89,735
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$109,066
Average tempThe average temperature here across a full year.42°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.54%

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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

819 Rosemary Rd 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.

  • Among the least valuable homes in Helena 59602
  • Costs less per square foot than 85% of homes in Helena 59602
  • Smaller than 75% of homes in Helena 59602
  • Has a smaller lot than 77% of homes in Helena 59602
  • Older than 69% of homes in Helena 59602

What homes are worth in Helena 59602

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

This home
$328K$1.3M

This home is worth less than almost all homes in Helena 59602.

How it measures up in Helena 59602

The dot is this home. The mark in the middle is the typical home in Helena 59602.

Estimated value$305,643
CheaperTypical $537,776Pricier

Cheaper than almost all homes nearby

Price per ft²$273
CheaperTypical $352Pricier

Pricier than 15% of homes nearby

Living area1,120 ft²
SmallerTypical 1,460 ft²Bigger

Bigger than 25% of homes nearby

Lot size0.46 ac
SmallerTypical 1.09 acBigger

Bigger than 23% of homes nearby

Year built1980
OlderTypical 1997Newer

Newer than 31% of homes nearby

How 819 Rosemary Rd ranks against every home in each area.
MeasureThis homeHelena 59602Lewis and Clark County
Estimated valuepricier than$305,643almost no homes7% of homes
Price per ft²pricier than$27315% of homes17% of homes
Living areabigger than1,120 ft²25% of homes32% of homes
Lot sizebigger than0.46 ac23% of homes50% of homes
Year builtnewer than198031% of homes47% of homes

About 819 Rosemary Rd

How much is 819 Rosemary Rd, Helena, MT worth?

The TopHap Estimate for 819 Rosemary Rd, Helena, MT is $305,643 as of Aug 30, 2026. The likely range is $269,583 to $341,703. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 819 Rosemary Rd, Helena, MT last sell?

819 Rosemary Rd, Helena, MT last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 819 Rosemary Rd, Helena, MT?

819 Rosemary Rd, Helena, MT has 2 bedrooms, 1 bathrooms, 1,120 square feet of living space and a 0.46-acre lot.

When was 819 Rosemary Rd, Helena, MT built?

819 Rosemary Rd, Helena, MT was built in 1980, making it 46 years old. It is a conventional home. The building has 1 story.

What schools serve 819 Rosemary Rd, Helena, MT?

819 Rosemary Rd, Helena, MT is assigned to Rossiter School (elementary), rated C+; Capital High School (high), rated A-; C R Anderson Middle School (middle), rated B. All sit in Helena Elementary School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 819 Rosemary Rd, Helena, MT compare to other homes in Helena 59602?

Among the 12,706 homes in Helena 59602, it is worth more than almost none of them ($305,643 against a typical $537,776), its price per square foot is higher than 15% of them ($273 against a typical $352), it is bigger than 25% of them (1,120 ft² against a typical 1,460 ft²), its lot is bigger than 23% of them (0.46 ac against a typical 1.09 ac) and it is newer than 31% of them (1980 against a typical 1997). Measured against all of Lewis and Clark County, it is worth more than 7% 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 819 Rosemary Rd, Helena, MT?

The 2026 property tax bill for 819 Rosemary Rd, Helena, MT was $258. The county assessed it at $258,300.

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