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Single Family ResidenceResidential
$352,620$239 / 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 95How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026

120 W 20TH ST

IDAHO FALLS, ID 83402
3
Beds
2
Baths
1,473 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.
0.18 ac
Lot SizeThe size of the land the home sits on, from county records.
1937
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$353K
$334K low$372K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,027 (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.$394,920 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$74,505
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$320,415
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$394,920
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$394,920

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.0.18
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.Wood Shingle
HeatingThe type of heating system in the home.Forced Air
CoolingThe type of cooling or air conditioning in the home.None
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.Deck · 255 ft²Shed · 128,800,000 ft²Patio · 88 ft²

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
Hawthorne Elementary SchoolC-
Elementary · Grades KG–6 · 0.3 mi
H
Skyline High SchoolD
High · Grades 9–12 · 1.7 mi
M
Eagle Rock Middle SchoolC
Middle · Grades 7–8 · 2.0 mi

District: Idaho Falls School District 91

Neighborhood · ZIP 83402These 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.107
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 100.125

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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.23%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.10%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.29,501
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.162 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$74,538
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$85,501
Average tempThe average temperature here across a full year.43°F
Annual precipHow much rain and melted snow falls here in a typical year.12 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

120 W 20th St 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.

  • Costs more per square foot than 85% of homes in Idaho Falls 83402
  • Smaller than 74% of homes in Bonneville County
  • Has a smaller lot than 75% of homes in Bonneville County
  • Older than 93% of homes in Bonneville County

What homes are worth in Idaho Falls 83402

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

This home
$135K$781K

This home is worth more than 55% of homes in Idaho Falls 83402.

How it measures up in Idaho Falls 83402

The dot is this home. The mark in the middle is the typical home in Idaho Falls 83402.

Estimated value$352,620
CheaperTypical $338,729Pricier

Pricier than 55% of homes nearby

Price per ft²$239
CheaperTypical $178Pricier

Pricier than 85% of homes nearby

Living area1,473 ft²
SmallerTypical 1,860 ft²Bigger

Bigger than 31% of homes nearby

Lot size0.18 ac
SmallerTypical 0.21 acBigger

Bigger than 35% of homes nearby

Year built1937
OlderTypical 1977Newer

Newer than 11% of homes nearby

How 120 W 20th St ranks against every home in each area.
MeasureThis homeIdaho Falls 83402Bonneville County
Estimated valuepricier than$352,62055% of homes43% of homes
Price per ft²pricier than$23985% of homes83% of homes
Living areabigger than1,473 ft²31% of homes26% of homes
Lot sizebigger than0.18 ac35% of homes25% of homes
Year builtnewer than193711% of homes7% of homes

About 120 W 20th St

How much is 120 W 20th St, Idaho Falls, ID worth?

The TopHap Estimate for 120 W 20th St, Idaho Falls, ID is $352,620 as of Sep 24, 2026. The likely range is $333,626 to $371,614. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 120 W 20th St, Idaho Falls, ID last sell?

120 W 20th St, Idaho Falls, ID last sold on Nov 1, 2018, according to the county's recorded deed.

How big is 120 W 20th St, Idaho Falls, ID?

120 W 20th St, Idaho Falls, ID has 3 bedrooms, 2 bathrooms, 1,473 square feet of living space and a 0.18-acre lot.

When was 120 W 20th St, Idaho Falls, ID built?

120 W 20th St, Idaho Falls, ID was built in 1937, making it 89 years old. The building has 1 story.

What schools serve 120 W 20th St, Idaho Falls, ID?

120 W 20th St, Idaho Falls, ID is assigned to Hawthorne Elementary School (elementary), rated C-; Skyline High School (high), rated D; Eagle Rock Middle School (middle), rated C. All sit in Idaho Falls School District 91. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 120 W 20th St, Idaho Falls, ID compare to other homes in Idaho Falls 83402?

Among the 9,683 homes in Idaho Falls 83402, it is worth more than 55% of them ($352,620 against a typical $338,729), its price per square foot is higher than 85% of them ($239 against a typical $178), it is bigger than 31% of them (1,473 ft² against a typical 1,860 ft²), its lot is bigger than 35% of them (0.18 ac against a typical 0.21 ac) and it is newer than 11% of them (1937 against a typical 1977). Measured against all of Bonneville County, it is worth more than 43% 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 120 W 20th St, Idaho Falls, ID?

The 2025 property tax bill for 120 W 20th St, Idaho Falls, ID was $3,027. The county assessed it at $394,920.

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