Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$208,837$81 / 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 88How 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

821 E 3400 N

CASTLEFORD, ID 83321
5
Beds
2
Baths
2,566 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.
5 ac
Lot SizeThe size of the land the home sits on, from county records.
1999
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
9
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$209K
$185K low$233K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,796 (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.$278,963 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$37,583
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$241,380
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$278,963
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$278,963

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.36
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
1
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
60
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
20
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
CountyTwin Falls
Lot (acres)The size of the land the home sits on, from county records.5.00
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Heat Pump
CoolingThe type of cooling or air conditioning in the home.None
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Shed · 100 ft²

Transaction History(1)

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
Castleford SchoolC
Elementary · Grades PK–12 · 2.1 mi

District: Castleford School District 417

Neighborhood · ZIP 83321These 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.165
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 100.55

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.89%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.12%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
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.794
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$59,404
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$78,733
Average tempThe average temperature here across a full year.48°F
Annual precipHow much rain and melted snow falls here in a typical year.11 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

821 E 3400 N 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 94% of homes in Twin Falls County
  • Bigger than 84% of homes in Castleford 83321
  • Has a bigger lot than 92% of homes in Twin Falls County
  • Newer than 91% of homes in Castleford 83321

What homes are worth in Castleford 83321

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

This home
$69K$549K

This home is worth more than 57% of homes in Castleford 83321.

How it measures up in Castleford 83321

The dot is this home. The mark in the middle is the typical home in Castleford 83321.

Estimated value$208,837
CheaperTypical $172,876Pricier

Pricier than 57% of homes nearby

Price per ft²$81
CheaperTypical $122Pricier

Pricier than 9% of homes nearby

Living area2,566 ft²
SmallerTypical 1,436 ft²Bigger

Bigger than 84% of homes nearby

Lot size5 ac
SmallerTypical 1.5 acBigger

Bigger than 64% of homes nearby

Year built1999
OlderTypical 1947Newer

Newer than 91% of homes nearby

How 821 E 3400 N ranks against every home in each area.
MeasureThis homeCastleford 83321Twin Falls County
Estimated valuepricier than$208,83757% of homes42% of homes
Price per ft²pricier than$819% of homes6% of homes
Living areabigger than2,566 ft²84% of homes83% of homes
Lot sizebigger than5 ac64% of homes92% of homes
Year builtnewer than199991% of homes65% of homes

About 821 E 3400 N

How much is 821 E 3400 N, Castleford, ID worth?

The TopHap Estimate for 821 E 3400 N, Castleford, ID is $208,837 as of Aug 30, 2026. The likely range is $184,670 to $233,004. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 821 E 3400 N, Castleford, ID last sell?

821 E 3400 N, Castleford, ID last sold on Jun 30, 2014, according to the county's recorded deed.

How big is 821 E 3400 N, Castleford, ID?

821 E 3400 N, Castleford, ID has 5 bedrooms, 2 bathrooms, 2,566 square feet of living space and a 5.00-acre lot.

When was 821 E 3400 N, Castleford, ID built?

821 E 3400 N, Castleford, ID was built in 1999, making it 27 years old. The building has 2 stories.

What schools serve 821 E 3400 N, Castleford, ID?

821 E 3400 N, Castleford, ID is assigned to Castleford School (elementary), rated C. All sit in Castleford School District 417. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 821 E 3400 N, Castleford, ID compare to other homes in Castleford 83321?

Among the 199 homes in Castleford 83321, it is worth more than 57% of them ($208,837 against a typical $172,876), its price per square foot is higher than 9% of them ($81 against a typical $122), it is bigger than 84% of them (2,566 ft² against a typical 1,436 ft²), its lot is bigger than 64% of them (5 ac against a typical 1.5 ac) and it is newer than 91% of them (1999 against a typical 1947). Measured against all of Twin Falls County, it is worth more than 42% 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 821 E 3400 N, Castleford, ID?

The 2025 property tax bill for 821 E 3400 N, Castleford, ID was $1,796. The county assessed it at $278,963.

More homes on E 3400 N

Closest homes

More homes in Castleford 83321

Assigned schools

Explore the area

See this home in context

Open 821 E 3400 N 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