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Single Family ResidenceResidential
$257,034$145 / 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 77How 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
Last sold for $330,000 on Sep 28, 2021

21 OPAL AVE

SPENCER, ID 83446
4
Beds
1
Baths
1,768 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.
0.48 ac
Lot SizeThe size of the land the home sits on, from county records.
1980
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$257K
$198K low$317K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$330,000 · Sep 28, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$515 (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.$196,180 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$13,260
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$182,920
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$193,060
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$196,180

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.43
59
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
60
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
98
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.23 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

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
CountyCLARK
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.2010
Lot (acres)The size of the land the home sits on, from county records.0.48
RoofThe main material covering the roof, such as asphalt shingle or tile.Galvanized
HeatingThe type of heating system in the home.Electric
CoolingThe type of cooling or air conditioning in the home.None
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, Detached
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(3)

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.

M
Clark County Jr/Sr High SchoolA+
Middle · Grades 6–12 · 13.1 mi
E
Lindy Ross Elementary School
Elementary · Grades PK–5 · 13.3 mi

District: Clark County School District 161

Neighborhood · ZIP 83446These 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.125
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 100.153

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.59%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.9.8%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.12%
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.47
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.$48,894
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$57,877
Average tempThe average temperature here across a full year.41°F
Annual precipHow much rain and melted snow falls here in a typical year.13 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

21 Opal Ave 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 73% of homes in Clark County
  • Bigger than 71% of homes in Clark County
  • Newer than 65% of homes in Clark County

What homes are worth in Clark County

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

This home
$182K$399K

This home is worth more than 57% of homes in Clark County.

How it measures up in Clark County

The dot is this home. The mark in the middle is the typical home in Clark County.

Estimated value$257,034
CheaperTypical $269,691Pricier

Pricier than 44% of homes nearby

Price per ft²$145
CheaperTypical $201Pricier

Pricier than 27% of homes nearby

Living area1,768 ft²
SmallerTypical 1,269 ft²Bigger

Bigger than 71% of homes nearby

Lot size0.48 ac
SmallerTypical 0.88 acBigger

Bigger than 37% of homes nearby

Year built1980
OlderTypical 1973Newer

Newer than 65% of homes nearby

How 21 Opal Ave ranks against every home in each area.
MeasureThis homeClark County
Estimated valuepricier than$257,03444% of homes
Price per ft²pricier than$14527% of homes
Living areabigger than1,768 ft²71% of homes
Lot sizebigger than0.48 ac37% of homes
Year builtnewer than198065% of homes

About 21 Opal Ave

How much is 21 Opal Ave, Spencer, ID worth?

The TopHap Estimate for 21 Opal Ave, Spencer, ID is $257,034 as of Aug 30, 2026. The likely range is $197,521 to $316,547. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Opal Ave, Spencer, ID last sell?

21 Opal Ave, Spencer, ID last sold on Sep 28, 2021 for $330,000, according to the county's recorded deed.

How big is 21 Opal Ave, Spencer, ID?

21 Opal Ave, Spencer, ID has 4 bedrooms, 1 bathrooms, 1,768 square feet of living space and a 0.48-acre lot.

When was 21 Opal Ave, Spencer, ID built?

21 Opal Ave, Spencer, ID was built in 1980, making it 46 years old. The building has 2 stories.

What schools serve 21 Opal Ave, Spencer, ID?

21 Opal Ave, Spencer, ID is assigned to Clark County Jr/Sr High School (middle), rated A+; Lindy Ross Elementary School (elementary). All sit in Clark County School District 161. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Opal Ave, Spencer, ID compare to other homes in Clark County?

Among the 473 homes in Clark County, it is worth more than 44% of them ($257,034 against a typical $269,691), its price per square foot is higher than 27% of them ($145 against a typical $201), it is bigger than 71% of them (1,768 ft² against a typical 1,269 ft²), its lot is bigger than 37% of them (0.48 ac against a typical 0.88 ac) and it is newer than 65% of them (1980 against a typical 1973). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 21 Opal Ave, Spencer, ID?

The 2025 property tax bill for 21 Opal Ave, Spencer, ID was $515. The county assessed it at $196,180.

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Assigned schools

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