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Quadplex (4 Units, Any Combination)Residential

603 I ST

IDAHO FALLS, ID 83402
6
Beds
4
Baths
2,429 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.
0.1 ac
Lot SizeThe size of the land the home sits on, from county records.
1950
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
14
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.$3,193 (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.$276,302 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$51,753
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$224,549
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$327,925
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$276,302

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Quadplex (4 Units, Any Combination)
StyleThe architectural style of the home, such as ranch or colonial.Quadraplex
CountyBONNEVILLE
Lot (acres)The size of the land the home sits on, from county records.0.10
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.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.None
PoolWhether the property has a pool, and what kind, such as in-ground.No

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

E
A.H. Bush Elementary SchoolD
Elementary · Grades KG–6 · 0.8 mi
H
Skyline High SchoolC
High · Grades 9–12 · 1.7 mi
M
Eagle Rock Middle SchoolC+
Middle · Grades 7–8 · 1.8 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

603 I 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.

  • Bigger than 70% of homes in Idaho Falls 83402
  • Has a smaller lot than 94% of homes in Bonneville County
  • Older than 87% of homes in Bonneville County

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.

Living area2,429 ft²
SmallerTypical 1,865 ft²Bigger

Bigger than 70% of homes nearby

Lot size0.1 ac
SmallerTypical 0.21 acBigger

Bigger than 9% of homes nearby

Year built1950
OlderTypical 1977Newer

Newer than 20% of homes nearby

How 603 I St ranks against every home in each area.
MeasureThis homeIdaho Falls 83402Bonneville County
Living areabigger than2,429 ft²70% of homes61% of homes
Lot sizebigger than0.1 ac9% of homes6% of homes
Year builtnewer than195020% of homes13% of homes

About 603 I St

When did 603 I St, Idaho Falls, ID last sell?

603 I St, Idaho Falls, ID last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 603 I St, Idaho Falls, ID?

603 I St, Idaho Falls, ID has 6 bedrooms, 4 bathrooms, 2,429 square feet of living space and a 0.10-acre lot.

When was 603 I St, Idaho Falls, ID built?

603 I St, Idaho Falls, ID was built in 1950, making it 76 years old. It is a quadraplex home. The building has 1 story.

What schools serve 603 I St, Idaho Falls, ID?

603 I St, Idaho Falls, ID is assigned to A.H. Bush Elementary School (elementary), rated D; Skyline High School (high), rated C; 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 603 I St, Idaho Falls, ID compare to other homes in Idaho Falls 83402?

Among the 9,901 homes in Idaho Falls 83402, it is bigger than 70% of them (2,429 ft² against a typical 1,865 ft²), its lot is bigger than 9% of them (0.1 ac against a typical 0.21 ac) and it is newer than 20% of them (1950 against a typical 1977). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 603 I St, Idaho Falls, ID?

The 2026 property tax bill for 603 I St, Idaho Falls, ID was $3,193. The county assessed it at $276,302.

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