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Single Family ResidenceResidential
$484,020$161 / 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 93How 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

5377 E 21ST S

AMMON, ID 83401
5
Beds
3
Baths
3,000 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.
1.56 ac
Lot SizeThe size of the land the home sits on, from county records.
1974
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
11
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
16
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$484K
$448K low$520K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,835 (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.$558,470 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$75,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$483,470
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$558,470
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$558,470

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyBonneville
Lot (acres)The size of the land the home sits on, from county records.1.56
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Galvanized
HeatingThe type of heating system in the home.Heat Pump
CoolingThe type of cooling or air conditioning in the home.Package
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Mixed
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(2)

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
Rimrock Elementary SchoolA
Elementary · Grades KG–6 · 0.5 mi
M
Black Canyon Middle SchoolD+
Middle · Grades 7–8 · 1.4 mi
H
Thunder Ridge High SchoolA
High · Grades 9–12 · 1.5 mi

District: Bonneville Joint School District 93

Neighborhood · ZIP 83401These 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.81
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.111
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.129

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.21%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.6%
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.54,367
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.273 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$73,220
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$93,243
Average tempThe average temperature here across a full year.42°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.64%

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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

5377 E 21st S 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 more than 87% of homes in Idaho Falls 83401
  • Bigger than 80% of homes in Idaho Falls 83401
  • Has a bigger lot than 89% of homes in Idaho Falls 83401
  • Older than 68% of homes in Idaho Falls 83401

What homes are worth in Idaho Falls 83401

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

This home
$116K$709K

This home is worth more than 87% of homes in Idaho Falls 83401.

How it measures up in Idaho Falls 83401

The dot is this home. The mark in the middle is the typical home in Idaho Falls 83401.

Estimated value$484,020
CheaperTypical $295,522Pricier

Pricier than 87% of homes nearby

Price per ft²$161
CheaperTypical $148Pricier

Pricier than 63% of homes nearby

Living area3,000 ft²
SmallerTypical 1,978 ft²Bigger

Bigger than 80% of homes nearby

Lot size1.56 ac
SmallerTypical 0.28 acBigger

Bigger than 89% of homes nearby

Year built1974
OlderTypical 1992Newer

Newer than 32% of homes nearby

How 5377 E 21st S ranks against every home in each area.
MeasureThis homeIdaho Falls 83401Bonneville County
Estimated valuepricier than$484,02087% of homes82% of homes
Price per ft²pricier than$16163% of homes56% of homes
Living areabigger than3,000 ft²80% of homes78% of homes
Lot sizebigger than1.56 ac89% of homes89% of homes
Year builtnewer than197432% of homes35% of homes

About 5377 E 21st S

How much is 5377 E 21st S, Ammon, ID worth?

The TopHap Estimate for 5377 E 21st S, Ammon, ID is $484,020 as of Aug 30, 2026. The likely range is $448,385 to $519,655. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 5377 E 21st S, Ammon, ID?

5377 E 21st S, Ammon, ID has 5 bedrooms, 3 bathrooms, 3,000 square feet of living space and a 1.56-acre lot.

When was 5377 E 21st S, Ammon, ID built?

5377 E 21st S, Ammon, ID was built in 1974, making it 52 years old. The building has 1 story.

What schools serve 5377 E 21st S, Ammon, ID?

5377 E 21st S, Ammon, ID is assigned to Rimrock Elementary School (elementary), rated A; Black Canyon Middle School (middle), rated D+; Thunder Ridge High School (high), rated A. All sit in Bonneville Joint School District 93. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 5377 E 21st S, Ammon, ID compare to other homes in Idaho Falls 83401?

Among the 15,390 homes in Idaho Falls 83401, it is worth more than 87% of them ($484,020 against a typical $295,522), its price per square foot is higher than 63% of them ($161 against a typical $148), it is bigger than 80% of them (3,000 ft² against a typical 1,978 ft²), its lot is bigger than 89% of them (1.56 ac against a typical 0.28 ac) and it is newer than 32% of them (1974 against a typical 1992). Measured against all of Bonneville County, it is worth more than 82% 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 5377 E 21st S, Ammon, ID?

The 2025 property tax bill for 5377 E 21st S, Ammon, ID was $1,835. The county assessed it at $558,470.

More homes on E 21st S

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Assigned schools

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