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Single Family ResidenceResidential
$636,811$383 / 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 87How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jun 23, 2026

401 RIVER ROCK RD

CHALLIS, ID 83226
3
Beds
1
Baths
1,664 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.
4.36 ac
Lot SizeThe size of the land the home sits on, from county records.
1938
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

$637K
$554K low$720K 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.$636,811
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$509,449

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,407 (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.$439,650 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$66,680
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$372,970
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$431,710
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$439,650

Climate Risk

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.30%

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
CountyCuster
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1985
Lot (acres)The size of the land the home sits on, from county records.4.36
RoofThe main material covering the roof, such as asphalt shingle or tile.Galvanized
HeatingThe type of heating system in the home.Forced Air
CoolingThe type of cooling or air conditioning in the home.None

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

M
Challis Jr/Sr High SchoolF
Middle · Grades 7–12 · 2.3 mi
E
Challis Elementary School
Elementary · Grades PK–6 · 2.4 mi

District: Challis Joint School District 181

Neighborhood · ZIP 83226These 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.117
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.109
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.202

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.79%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.17%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.7%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.2,297
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$56,965
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$64,574
Average tempThe average temperature here across a full year.36°F
Annual precipHow much rain and melted snow falls here in a typical year.21 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.64%

Ownership

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

401 River Rock Rd 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.

  • Worth more than 88% of homes in Challis 83226
  • Costs more per square foot than 86% of homes in Challis 83226
  • Has a bigger lot than 65% of homes in Challis 83226
  • Older than 95% of homes in Challis 83226

What homes are worth in Challis 83226

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

This home
$82K$1.2M

This home is worth more than 88% of homes in Challis 83226.

How it measures up in Challis 83226

The dot is this home. The mark in the middle is the typical home in Challis 83226.

Estimated value$636,811
CheaperTypical $306,607Pricier

Pricier than 88% of homes nearby

Price per ft²$383
CheaperTypical $185Pricier

Pricier than 86% of homes nearby

Living area1,664 ft²
SmallerTypical 1,500 ft²Bigger

Bigger than 59% of homes nearby

Lot size4.36 ac
SmallerTypical 2 acBigger

Bigger than 65% of homes nearby

Year built1938
OlderTypical 1981Newer

Newer than 5% of homes nearby

How 401 River Rock Rd ranks against every home in each area.
MeasureThis homeChallis 83226Custer County
Estimated valuepricier than$636,81188% of homes73% of homes
Price per ft²pricier than$38386% of homes67% of homes
Living areabigger than1,664 ft²59% of homes61% of homes
Lot sizebigger than4.36 ac65% of homes60% of homes
Year builtnewer than19385% of homes7% of homes

About 401 River Rock Rd

How much is 401 River Rock Rd, Challis, ID worth?

The TopHap Estimate for 401 River Rock Rd, Challis, ID is $636,811 as of Jun 23, 2026. The likely range is $554,025 to $719,596. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 401 River Rock Rd, Challis, ID last sell?

401 River Rock Rd, Challis, ID last sold on May 18, 2022, according to the county's recorded deed.

How big is 401 River Rock Rd, Challis, ID?

401 River Rock Rd, Challis, ID has 3 bedrooms, 1 bathrooms, 1,664 square feet of living space and a 4.36-acre lot.

When was 401 River Rock Rd, Challis, ID built?

401 River Rock Rd, Challis, ID was built in 1938, making it 88 years old. The building has 1 story.

What schools serve 401 River Rock Rd, Challis, ID?

401 River Rock Rd, Challis, ID is assigned to Challis Jr/Sr High School (middle), rated F; Challis Elementary School (elementary). All sit in Challis Joint School District 181. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 401 River Rock Rd, Challis, ID compare to other homes in Challis 83226?

Among the 1,428 homes in Challis 83226, it is worth more than 88% of them ($636,811 against a typical $306,607), its price per square foot is higher than 86% of them ($383 against a typical $185), it is bigger than 59% of them (1,664 ft² against a typical 1,500 ft²), its lot is bigger than 65% of them (4.36 ac against a typical 2 ac) and it is newer than 5% of them (1938 against a typical 1981). Measured against all of Custer County, it is worth more than 73% 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 401 River Rock Rd, Challis, ID?

The 2025 property tax bill for 401 River Rock Rd, Challis, ID was $1,407. The county assessed it at $439,650.

Closest homes

More homes in Challis 83226

Assigned schools

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