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Single Family ResidenceResidential
$97,725$47 / 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 68How 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
Last sold for $51,600 on Apr 14, 2011

423 LOMAX ST

IDAHO FALLS, ID 83401
4
Beds
3
Baths
2,064 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.
0.14 ac
Lot SizeThe size of the land the home sits on, from county records.
1935
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
10
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$98K
$67K low$129K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$51,600 · Apr 14, 2011

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,636 (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.$289,161 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$63,711
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$225,450
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$368,542
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$289,161

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.0.14
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.Floor/Wall Furnace
CoolingThe type of cooling or air conditioning in the home.Package
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(4)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(1)

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

H
Idaho Falls High SchoolB-
High · Grades 9–12 · 0.4 mi
E
Dora Erickson Elementary SchoolD
Elementary · Grades KG–6 · 0.6 mi
M
Taylorview Middle SchoolB
Middle · Grades 7–8 · 2.7 mi

District: Idaho Falls School District 91

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

423 Lomax 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.

  • Among the least valuable homes in Idaho Falls 83401
  • Among the lowest price per square foot in Idaho Falls 83401
  • Has a smaller lot than 90% of homes in Idaho Falls 83401
  • Older than 94% 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
$141K$820K

This home is worth less than almost all 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$97,725
CheaperTypical $355,284Pricier

Cheaper than almost all homes nearby

Price per ft²$47
CheaperTypical $173Pricier

Cheaper than almost all homes nearby

Living area2,064 ft²
SmallerTypical 1,976 ft²Bigger

Bigger than 54% of homes nearby

Lot size0.14 ac
SmallerTypical 0.28 acBigger

Bigger than 10% of homes nearby

Year built1935
OlderTypical 1994Newer

Newer than 6% of homes nearby

How 423 Lomax St ranks against every home in each area.
MeasureThis homeIdaho Falls 83401Bonneville County
Estimated valuepricier than$97,725almost no homesalmost no homes
Price per ft²pricier than$47almost no homesalmost no homes
Living areabigger than2,064 ft²54% of homes49% of homes
Lot sizebigger than0.14 ac10% of homes11% of homes
Year builtnewer than19356% of homes7% of homes

About 423 Lomax St

How much is 423 Lomax St, Idaho Falls, ID worth?

The TopHap Estimate for 423 Lomax St, Idaho Falls, ID is $97,725 as of Sep 24, 2026. The likely range is $66,560 to $128,890. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 423 Lomax St, Idaho Falls, ID last sell?

423 Lomax St, Idaho Falls, ID last sold on Apr 14, 2011 for $51,600, according to the county's recorded deed.

How big is 423 Lomax St, Idaho Falls, ID?

423 Lomax St, Idaho Falls, ID has 4 bedrooms, 3 bathrooms, 2,064 square feet of living space and a 0.14-acre lot.

When was 423 Lomax St, Idaho Falls, ID built?

423 Lomax St, Idaho Falls, ID was built in 1935, making it 91 years old. The building has 1 story.

What schools serve 423 Lomax St, Idaho Falls, ID?

423 Lomax St, Idaho Falls, ID is assigned to Idaho Falls High School (high), rated B-; Dora Erickson Elementary School (elementary), rated D; Taylorview Middle School (middle), rated B. All sit in Idaho Falls School District 91. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 423 Lomax St, Idaho Falls, ID compare to other homes in Idaho Falls 83401?

Among the 15,644 homes in Idaho Falls 83401, it is worth more than almost none of them ($97,725 against a typical $355,284), its price per square foot is higher than almost none of them ($47 against a typical $173), it is bigger than 54% of them (2,064 ft² against a typical 1,976 ft²), its lot is bigger than 10% of them (0.14 ac against a typical 0.28 ac) and it is newer than 6% of them (1935 against a typical 1994). Measured against all of Bonneville County, it is worth more than almost no 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 423 Lomax St, Idaho Falls, ID?

The 2026 property tax bill for 423 Lomax St, Idaho Falls, ID was $2,636. The county assessed it at $289,161.

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