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Single Family ResidenceResidential
$175,858$172 / 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 76How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026

15 SIENNA LN

RIVERTON, WY 82501
1
Beds
1
Baths
1,020 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.
3.15 ac
Lot SizeThe size of the land the home sits on, from county records.
1982
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
3
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

$176K
$134K low$218K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$547 (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.$9,564 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$2,502
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$7,062
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$7,188
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$107,091

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.Ranch
CountyFREMONT
ConstructionThe main material the home's frame and walls are built from.Masonry/Concrete Masonry Units (Cmus)
RoofThe main material covering the roof, such as asphalt shingle or tile.Metal
HeatingThe type of heating system in the home.Baseboard
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
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.Porch · 1,020 ft²

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

H
Riverton High SchoolC
High · Grades 9–12 · 5.7 mi
M
Riverton Middle SchoolC
Middle · Grades 6–8 · 5.9 mi

District: Fremont County School District 25

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

15 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.

  • Worth less than 84% of homes in Fremont County
  • Smaller than 80% of homes in Riverton 82501
  • Has a bigger lot than 80% of homes in Riverton 82501
  • Newer than 66% of homes in Riverton 82501

What homes are worth in Riverton 82501

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

This home
$86K$673K

This home is worth more than 24% 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.

Estimated value$175,858
CheaperTypical $239,392Pricier

Pricier than 24% of homes nearby

Price per ft²$172
CheaperTypical $160Pricier

Pricier than 61% of homes nearby

Living area1,020 ft²
SmallerTypical 1,536 ft²Bigger

Bigger than 20% of homes nearby

Lot size3.15 ac
SmallerTypical 0.32 acBigger

Bigger than 80% of homes nearby

Year built1982
OlderTypical 1978Newer

Newer than 66% of homes nearby

How 15 Sienna Ln ranks against every home in each area.
MeasureThis homeRiverton 82501Fremont County
Estimated valuepricier than$175,85824% of homes16% of homes
Price per ft²pricier than$17261% of homes36% of homes
Living areabigger than1,020 ft²20% of homes22% of homes
Lot sizebigger than3.15 ac80% of homes76% of homes
Year builtnewer than198266% of homes61% of homes

About 15 Sienna Ln

How much is 15 Sienna Ln, Riverton, WY worth?

The TopHap Estimate for 15 Sienna Ln, Riverton, WY is $175,858 as of Jul 14, 2026. The likely range is $133,609 to $218,107. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 15 Sienna Ln, Riverton, WY last sell?

15 Sienna Ln, Riverton, WY last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 15 Sienna Ln, Riverton, WY?

15 Sienna Ln, Riverton, WY has 1 bedrooms, 1 bathrooms and 1,020 square feet of living space.

When was 15 Sienna Ln, Riverton, WY built?

15 Sienna Ln, Riverton, WY was built in 1982, making it 44 years old. It is a ranch home. The building has 1 story.

What schools serve 15 Sienna Ln, Riverton, WY?

15 Sienna Ln, Riverton, WY is assigned to Riverton High School (high), rated C; Riverton Middle School (middle), rated C. All sit in Fremont County School District 25. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 15 Sienna Ln, Riverton, WY compare to other homes in Riverton 82501?

Among the 7,412 homes in Riverton 82501, it is worth more than 24% of them ($175,858 against a typical $239,392), its price per square foot is higher than 61% of them ($172 against a typical $160), it is bigger than 20% of them (1,020 ft² against a typical 1,536 ft²), its lot is bigger than 80% of them (3.15 ac against a typical 0.32 ac) and it is newer than 66% of them (1982 against a typical 1978). Measured against all of Fremont County, it is worth more than 16% 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 15 Sienna Ln, Riverton, WY?

The 2025 property tax bill for 15 Sienna Ln, Riverton, WY was $547. The county assessed it at $9,564.

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