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Mobile HomeResidential

21 SIENNA LN

RIVERTON, WY 82501
3
Beds
2
Baths
1,216 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.
2011
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$282 (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.$4,688 (2026)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$4,688
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$3,710
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$49,348

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.18
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
50
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
43
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.Mobile Home
StyleThe architectural style of the home, such as ranch or colonial.Mobile Home
CountyFREMONT
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
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
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 ft²

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

M
Wind River Middle SchoolC+
Middle · Grades 6–8 · 7.2 mi
H
Wind River High SchoolB+
High · Grades 9–12 · 7.2 mi
E
Crowheart Elementary School
Elementary · Grades PK–3 · 30.8 mi

District: Fremont County School District 6

Neighborhood · ZIP 82501These 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.120
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.110
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.109

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.91%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.13%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.15%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.19,372
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.14 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$56,794
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$70,200
Average tempThe average temperature here across a full year.44°F
Annual precipHow much rain and melted snow falls here in a typical year.9 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.68%

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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

21 Sienna Ln 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.

  • Smaller than 66% of homes in Riverton 82501
  • Newer than 95% of homes in Riverton 82501

How it measures up in Riverton 82501

The dot is this home. The mark in the middle is the typical home in Riverton 82501.

Living area1,216 ft²
SmallerTypical 1,558 ft²Bigger

Bigger than 34% of homes nearby

Year built2011
OlderTypical 1978Newer

Newer than 95% of homes nearby

How 21 Sienna Ln ranks against every home in each area.
MeasureThis homeRiverton 82501Fremont County
Living areabigger than1,216 ft²34% of homes34% of homes
Year builtnewer than201195% of homes92% of homes

About 21 Sienna Ln

When did 21 Sienna Ln, Riverton, WY last sell?

21 Sienna Ln, Riverton, WY last sold on Jun 25, 2021, according to the county's recorded deed.

How big is 21 Sienna Ln, Riverton, WY?

21 Sienna Ln, Riverton, WY has 3 bedrooms, 2 bathrooms and 1,216 square feet of living space.

When was 21 Sienna Ln, Riverton, WY built?

21 Sienna Ln, Riverton, WY was built in 2011, making it 15 years old. It is a mobile home home. The building has 1 story.

What schools serve 21 Sienna Ln, Riverton, WY?

21 Sienna Ln, Riverton, WY is assigned to Wind River Middle School (middle), rated C+; Wind River High School (high), rated B+; Crowheart Elementary School (elementary). All sit in Fremont County School District 6. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Sienna Ln, Riverton, WY compare to other homes in Riverton 82501?

Among the 7,412 homes in Riverton 82501, it is bigger than 34% of them (1,216 ft² against a typical 1,558 ft²) and it is newer than 95% of them (2011 against a typical 1978). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 21 Sienna Ln, Riverton, WY?

The 2025 property tax bill for 21 Sienna Ln, Riverton, WY was $282. The county assessed it at $4,688.

More homes on Sienna Ln

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Assigned schools

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