Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$355,075$97 / 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 81How 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

4323 MASON ST

AMMON, ID 83406
6
Beds
2
Baths
3,643 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.
0.83 ac
Lot SizeThe size of the land the home sits on, from county records.
1998
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
12
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

$355K
$289K low$421K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,164 (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.$719,726 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$104,998
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$614,728
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$719,726
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$719,726

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.44
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
46
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
59
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
16
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
98
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.

Scores 0–100; higher = greater projected risk.

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.0.83
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.Shingle
HeatingThe type of heating system in the home.Forced Air
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.Garage, Attached
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 · 476 ft²

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

E
Mountain Valley Elementary SchoolD+
Elementary · Grades KG–6 · 0.1 mi
M
Sandcreek Middle SchoolD+
Middle · Grades 7–8 · 1.3 mi
H
Hillcrest High SchoolA
High · Grades 9–12 · 1.4 mi

District: Bonneville Joint School District 93

Neighborhood · ZIP 83406These 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.71
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.105
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.134

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.27%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.1%
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.19,812
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.387 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$86,736
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$105,335
Average tempThe average temperature here across a full year.42°F
Annual precipHow much rain and melted snow falls here in a typical year.16 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.64%

Owner Tools

Do you own this home?
Claim this home

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

4323 Mason 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 less per square foot than 89% of homes in Bonneville County
  • Bigger than 89% of homes in Bonneville County
  • Has a bigger lot than 82% of homes in Bonneville County

What homes are worth in Idaho Falls 83406

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

This home
$152K$985K

This home is worth more than 52% of homes in Idaho Falls 83406.

How it measures up in Idaho Falls 83406

The dot is this home. The mark in the middle is the typical home in Idaho Falls 83406.

Estimated value$355,075
CheaperTypical $350,130Pricier

Pricier than 52% of homes nearby

Price per ft²$97
CheaperTypical $153Pricier

Pricier than 12% of homes nearby

Living area3,643 ft²
SmallerTypical 2,385 ft²Bigger

Bigger than 85% of homes nearby

Lot size0.83 ac
SmallerTypical 0.31 acBigger

Bigger than 78% of homes nearby

Year built1998
OlderTypical 2003Newer

Newer than 36% of homes nearby

How 4323 Mason St ranks against every home in each area.
MeasureThis homeIdaho Falls 83406Bonneville County
Estimated valuepricier than$355,07552% of homes57% of homes
Price per ft²pricier than$9712% of homes11% of homes
Living areabigger than3,643 ft²85% of homes89% of homes
Lot sizebigger than0.83 ac78% of homes82% of homes
Year builtnewer than199836% of homes60% of homes

About 4323 Mason St

How much is 4323 Mason St, Ammon, ID worth?

The TopHap Estimate for 4323 Mason St, Ammon, ID is $355,075 as of Aug 30, 2026. The likely range is $289,317 to $420,833. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4323 Mason St, Ammon, ID last sell?

4323 Mason St, Ammon, ID last sold on Feb 11, 2020, according to the county's recorded deed.

How big is 4323 Mason St, Ammon, ID?

4323 Mason St, Ammon, ID has 6 bedrooms, 2 bathrooms, 3,643 square feet of living space and a 0.83-acre lot.

When was 4323 Mason St, Ammon, ID built?

4323 Mason St, Ammon, ID was built in 1998, making it 28 years old. The building has 1 story.

What schools serve 4323 Mason St, Ammon, ID?

4323 Mason St, Ammon, ID is assigned to Mountain Valley Elementary School (elementary), rated D+; Sandcreek Middle School (middle), rated D+; Hillcrest 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 4323 Mason St, Ammon, ID compare to other homes in Idaho Falls 83406?

Among the 6,258 homes in Idaho Falls 83406, it is worth more than 52% of them ($355,075 against a typical $350,130), its price per square foot is higher than 12% of them ($97 against a typical $153), it is bigger than 85% of them (3,643 ft² against a typical 2,385 ft²), its lot is bigger than 78% of them (0.83 ac against a typical 0.31 ac) and it is newer than 36% of them (1998 against a typical 2003). Measured against all of Bonneville County, it is worth more than 57% 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 4323 Mason St, Ammon, ID?

The 2025 property tax bill for 4323 Mason St, Ammon, ID was $3,164. The county assessed it at $719,726.

More homes on Mason St

Closest homes

More homes in Ammon 83406

Assigned schools

Explore the area

See this home in context

Open 4323 Mason St on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map