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Single Family ResidentialResidential
$509,425$446 / 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 93How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026
Last sold for $108,800 on Jun 25, 2012

121 PROSPECTOR LN

IDAHO CITY, ID 83631
4
Beds
3
Baths
1,142 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.
0.21 ac
Lot SizeThe size of the land the home sits on, from county records.
2003
Year BuiltThe year the home was originally built, according to county records.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$509K
$474K low$545K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$108,800 · Jun 25, 2012

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$760 (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.$412,006 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$50,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$362,006
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$393,404
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$412,006

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.50
35
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
84
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
51
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
58
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
22
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.37 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%

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 Residential
CountyBOISE
Lot (acres)The size of the land the home sits on, from county records.0.21
HeatingThe type of heating system in the home.Yes
CoolingThe type of cooling or air conditioning in the home.Yes
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 · 168 ft²Patio · 61 ft²Outdoor kitchen

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
Basin Elementary SchoolB-
Elementary · Grades PK–6 · 0.6 mi
M
Idaho City High SchoolC+
Middle · Grades 7–12 · 0.6 mi

District: Basin School District 72

Neighborhood · ZIP 83631These 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.163
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.117
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.70%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.8.4%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.3%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.998
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$61,341
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$66,360
Average tempThe average temperature here across a full year.45°F
Annual precipHow much rain and melted snow falls here in a typical year.27 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

121 Prospector Ln 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 73% of homes in Idaho City 83631
  • Costs less per square foot than 72% of homes in Boise County
  • Bigger than 78% of homes in Idaho City 83631
  • Has a smaller lot than 94% of homes in Idaho City 83631

What homes are worth in Idaho City 83631

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

This home
$174K$845K

This home is worth more than 73% of homes in Idaho City 83631.

How it measures up in Idaho City 83631

The dot is this home. The mark in the middle is the typical home in Idaho City 83631.

Estimated value$509,425
CheaperTypical $410,239Pricier

Pricier than 73% of homes nearby

Price per ft²$446
CheaperTypical $541Pricier

Pricier than 36% of homes nearby

Living area1,142 ft²
SmallerTypical 622 ft²Bigger

Bigger than 78% of homes nearby

Lot size0.21 ac
SmallerTypical 1.42 acBigger

Bigger than 6% of homes nearby

Year built2003
OlderTypical 1995Newer

Newer than 63% of homes nearby

How 121 Prospector Ln ranks against every home in each area.
MeasureThis homeIdaho City 83631Boise County
Estimated valuepricier than$509,42573% of homes54% of homes
Price per ft²pricier than$44636% of homes28% of homes
Living areabigger than1,142 ft²78% of homes69% of homes
Lot sizebigger than0.21 ac6% of homes7% of homes
Year builtnewer than200363% of homes63% of homes

About 121 Prospector Ln

How much is 121 Prospector Ln, Idaho City, ID worth?

The TopHap Estimate for 121 Prospector Ln, Idaho City, ID is $509,425 as of Oct 21, 2026. The likely range is $473,597 to $545,253. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 121 Prospector Ln, Idaho City, ID last sell?

121 Prospector Ln, Idaho City, ID last sold on Jun 25, 2012 for $108,800, according to the county's recorded deed.

How big is 121 Prospector Ln, Idaho City, ID?

121 Prospector Ln, Idaho City, ID has 4 bedrooms, 3 bathrooms, 1,142 square feet of living space and a 0.21-acre lot.

When was 121 Prospector Ln, Idaho City, ID built?

121 Prospector Ln, Idaho City, ID was built in 2003, making it 23 years old.

What schools serve 121 Prospector Ln, Idaho City, ID?

121 Prospector Ln, Idaho City, ID is assigned to Basin Elementary School (elementary), rated B-; Idaho City High School (middle), rated C+. All sit in Basin School District 72. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 121 Prospector Ln, Idaho City, ID compare to other homes in Idaho City 83631?

Among the 1,125 homes in Idaho City 83631, it is worth more than 73% of them ($509,425 against a typical $410,239), its price per square foot is higher than 36% of them ($446 against a typical $541), it is bigger than 78% of them (1,142 ft² against a typical 622 ft²), its lot is bigger than 6% of them (0.21 ac against a typical 1.42 ac) and it is newer than 63% of them (2003 against a typical 1995). Measured against all of Boise County, it is worth more than 54% 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 121 Prospector Ln, Idaho City, ID?

The 2025 property tax bill for 121 Prospector Ln, Idaho City, ID was $760. The county assessed it at $412,006.

More homes on Prospector Ln

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