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Single Family ResidenceResidential
$232,633$148 / 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 91How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026

109 RIVERVIEW AVE

MILLS, WY 82644
2
Baths
1,568 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.
0.2 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.

Valuation

$233K
$211K low$255K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$932 (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.$12,792 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$3,651
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$9,141
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$9,225
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$213,623

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.35
37
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
19
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
61
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
20
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
39
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.6 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.11%
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.0.2 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.Modular
CountyNATRONA
Lot (acres)The size of the land the home sits on, from county records.0.20
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.Composition Shingle
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(3)

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
Cottonwood Elementary SchoolD-
Elementary · Grades PK–5 · 1.3 mi
H
Natrona County High SchoolD+
High · Grades 9–12 · 1.8 mi
M
Dean Morgan Middle SchoolF
Middle · Grades 6–8 · 1.8 mi

District: Natrona County School District 1

Neighborhood · ZIP 82644These 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.165
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 100.83

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.88%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.7.7%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.0%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.349
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,495 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$61,071
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$93,632
Average tempThe average temperature here across a full year.47°F
Annual precipHow much rain and melted snow falls here in a typical year.13 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.63%

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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

109 Riverview Ave 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 83% of homes in Natrona County
  • Costs less per square foot than 96% of homes in Natrona County
  • Bigger than 85% of homes in Mills 82644
  • Has a bigger lot than 72% of homes in Mills 82644
  • Newer than 75% of homes in Natrona County

What homes are worth in Mills 82644

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

This home
$150K$471K

This home is worth more than 38% of homes in Mills 82644.

How it measures up in Mills 82644

The dot is this home. The mark in the middle is the typical home in Mills 82644.

Estimated value$232,633
CheaperTypical $268,159Pricier

Pricier than 38% of homes nearby

Price per ft²$148
CheaperTypical $230Pricier

Pricier than 6% of homes nearby

Living area1,568 ft²
SmallerTypical 1,120 ft²Bigger

Bigger than 85% of homes nearby

Lot size0.2 ac
SmallerTypical 0.15 acBigger

Bigger than 72% of homes nearby

Year built1999
OlderTypical 1983Newer

Newer than 61% of homes nearby

How 109 Riverview Ave ranks against every home in each area.
MeasureThis homeMills 82644Natrona County
Estimated valuepricier than$232,63338% of homes17% of homes
Price per ft²pricier than$1486% of homes4% of homes
Living areabigger than1,568 ft²85% of homes72% of homes
Lot sizebigger than0.2 ac72% of homes58% of homes
Year builtnewer than199961% of homes75% of homes

About 109 Riverview Ave

How much is 109 Riverview Ave, Mills, WY worth?

The TopHap Estimate for 109 Riverview Ave, Mills, WY is $232,633 as of Oct 21, 2026. The likely range is $210,537 to $254,729. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 109 Riverview Ave, Mills, WY last sell?

109 Riverview Ave, Mills, WY last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 109 Riverview Ave, Mills, WY?

109 Riverview Ave, Mills, WY has 2 bathrooms, 1,568 square feet of living space and a 0.20-acre lot.

When was 109 Riverview Ave, Mills, WY built?

109 Riverview Ave, Mills, WY was built in 1999, making it 27 years old. It is a modular home. The building has 1 story.

What schools serve 109 Riverview Ave, Mills, WY?

109 Riverview Ave, Mills, WY is assigned to Cottonwood Elementary School (elementary), rated D-; Natrona County High School (high), rated D+; Dean Morgan Middle School (middle), rated F. All sit in Natrona County School District 1. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 109 Riverview Ave, Mills, WY compare to other homes in Mills 82644?

Among the 1,070 homes in Mills 82644, it is worth more than 38% of them ($232,633 against a typical $268,159), its price per square foot is higher than 6% of them ($148 against a typical $230), it is bigger than 85% of them (1,568 ft² against a typical 1,120 ft²), its lot is bigger than 72% of them (0.2 ac against a typical 0.15 ac) and it is newer than 61% of them (1999 against a typical 1983). Measured against all of Natrona County, it is worth more than 17% 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 109 Riverview Ave, Mills, WY?

The 2026 property tax bill for 109 Riverview Ave, Mills, WY was $932. The county assessed it at $12,792.

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