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Single Family ResidenceResidential
$358,644$178 / 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 94How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026

423 18TH ST

RUPERT, ID 83350
3
Beds
2
Baths
2,012 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.
0.46 ac
Lot SizeThe size of the land the home sits on, from county records.
1975
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$359K
$338K low$379K high
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$192,774
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$154,219
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.46%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$165,870
FIRST FSB (TWIN FALLS ID) · recorded May 18, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,640 (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.$331,740 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$63,560
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$268,180
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$331,740
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$331,740

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.41
45
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
54
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
54
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
21
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
33
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.8 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.34%

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
CountyMinidoka
Lot (acres)The size of the land the home sits on, from county records.0.47
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Forced Air
FireplaceWhether the home has a fireplace, and what kind.Yes

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
Rupert Elementary SchoolD
Elementary · Grades PK–5 · 0.2 mi
M
East Minico Middle SchoolD-
Middle · Grades 6–8 · 0.3 mi
H
Minico Senior High SchoolB-
High · Grades 9–12 · 3.0 mi

District: Minidoka County Joint School District 331

Neighborhood · ZIP 83350These 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.126
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.116
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.57

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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.10%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.15%
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.13,116
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.32 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$59,970
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$73,443
Average tempThe average temperature here across a full year.47°F
Annual precipHow much rain and melted snow falls here in a typical year.10 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.64%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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 18th 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 83% of homes in Minidoka County
  • Bigger than 75% of homes in Rupert 83350

What homes are worth in Rupert 83350

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

This home
$144K$1.1M

This home is worth more than 57% of homes in Rupert 83350.

How it measures up in Rupert 83350

The dot is this home. The mark in the middle is the typical home in Rupert 83350.

Estimated value$358,644
CheaperTypical $332,344Pricier

Pricier than 57% of homes nearby

Price per ft²$178
CheaperTypical $214Pricier

Pricier than 18% of homes nearby

Living area2,012 ft²
SmallerTypical 1,468 ft²Bigger

Bigger than 75% of homes nearby

Lot size0.46 ac
SmallerTypical 0.5 acBigger

Bigger than 47% of homes nearby

Year built1975
OlderTypical 1971Newer

Newer than 61% of homes nearby

How 423 18th St ranks against every home in each area.
MeasureThis homeRupert 83350Minidoka County
Estimated valuepricier than$358,64457% of homes57% of homes
Price per ft²pricier than$17818% of homes17% of homes
Living areabigger than2,012 ft²75% of homes75% of homes
Lot sizebigger than0.46 ac47% of homes51% of homes
Year builtnewer than197561% of homes59% of homes

About 423 18th St

How much is 423 18th St, Rupert, ID worth?

The TopHap Estimate for 423 18th St, Rupert, ID is $358,644 as of Jul 14, 2026. The likely range is $338,301 to $378,987. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 423 18th St, Rupert, ID last sell?

423 18th St, Rupert, ID last sold on May 18, 2020, according to the county's recorded deed.

How big is 423 18th St, Rupert, ID?

423 18th St, Rupert, ID has 3 bedrooms, 2 bathrooms, 2,012 square feet of living space and a 0.47-acre lot.

When was 423 18th St, Rupert, ID built?

423 18th St, Rupert, ID was built in 1975, making it 51 years old. The building has 1 story.

What schools serve 423 18th St, Rupert, ID?

423 18th St, Rupert, ID is assigned to Rupert Elementary School (elementary), rated D; East Minico Middle School (middle), rated D-; Minico Senior High School (high), rated B-. All sit in Minidoka County Joint School District 331. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 423 18th St, Rupert, ID compare to other homes in Rupert 83350?

Among the 4,755 homes in Rupert 83350, it is worth more than 57% of them ($358,644 against a typical $332,344), its price per square foot is higher than 18% of them ($178 against a typical $214), it is bigger than 75% of them (2,012 ft² against a typical 1,468 ft²), its lot is bigger than 47% of them (0.46 ac against a typical 0.5 ac) and it is newer than 61% of them (1975 against a typical 1971). Measured against all of Minidoka 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 423 18th St, Rupert, ID?

The 2025 property tax bill for 423 18th St, Rupert, ID was $1,640. The county assessed it at $331,740.

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Assigned schools

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