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Single Family ResidenceResidential
$340,188$355 / 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 Sep 24, 2026

503 CASTLE LN

TROY, ID 83871
0
Baths
958 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.
1902
Year BuiltThe year the home was originally built, according to county records.

Valuation

$340K
$298K low$383K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,138 (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.$255,642 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$21,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$233,842
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$255,638
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$255,642

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.197 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
CountyLATAH
Lot (acres)The size of the land the home sits on, from county records.0.21
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
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

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
Troy Elementary SchoolA
Elementary · Grades PK–6 · 0.9 mi
M
Troy Jr/Sr High SchoolA
Middle · Grades 7–12 · 0.9 mi

District: Troy School District 287

Neighborhood · ZIP 83871These 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.70
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 100.59

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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.26%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.2%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.8%
PopulationHow many people live in this area.2,240
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.20 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$78,520
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$114,527
Average tempThe average temperature here across a full year.46°F
Annual precipHow much rain and melted snow falls here in a typical year.30 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

503 Castle 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 less than 79% of homes in Troy 83871
  • Smaller than 80% of homes in Latah County
  • Has a smaller lot than 88% of homes in Troy 83871
  • Older than 94% of homes in Latah County

What homes are worth in Troy 83871

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

This home
$205K$1.1M

This home is worth more than 21% of homes in Troy 83871.

How it measures up in Troy 83871

The dot is this home. The mark in the middle is the typical home in Troy 83871.

Estimated value$340,188
CheaperTypical $452,842Pricier

Pricier than 21% of homes nearby

Price per ft²$355
CheaperTypical $368Pricier

Pricier than 44% of homes nearby

Living area958 ft²
SmallerTypical 1,232 ft²Bigger

Bigger than 21% of homes nearby

Lot size0.21 ac
SmallerTypical 3.41 acBigger

Bigger than 12% of homes nearby

Year built1902
OlderTypical 1975Newer

Newer than 8% of homes nearby

How 503 Castle Ln ranks against every home in each area.
MeasureThis homeTroy 83871Latah County
Estimated valuepricier than$340,18821% of homes22% of homes
Price per ft²pricier than$35544% of homes54% of homes
Living areabigger than958 ft²21% of homes20% of homes
Lot sizebigger than0.21 ac12% of homes29% of homes
Year builtnewer than19028% of homes6% of homes

About 503 Castle Ln

How much is 503 Castle Ln, Troy, ID worth?

The TopHap Estimate for 503 Castle Ln, Troy, ID is $340,188 as of Sep 24, 2026. The likely range is $297,607 to $382,769. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 503 Castle Ln, Troy, ID last sell?

503 Castle Ln, Troy, ID last sold on Oct 17, 2023, according to the county's recorded deed.

How big is 503 Castle Ln, Troy, ID?

503 Castle Ln, Troy, ID has 958 square feet of living space and a 0.21-acre lot.

When was 503 Castle Ln, Troy, ID built?

503 Castle Ln, Troy, ID was built in 1902, making it 124 years old.

What schools serve 503 Castle Ln, Troy, ID?

503 Castle Ln, Troy, ID is assigned to Troy Elementary School (elementary), rated A; Troy Jr/Sr High School (middle), rated A. All sit in Troy School District 287. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 503 Castle Ln, Troy, ID compare to other homes in Troy 83871?

Among the 882 homes in Troy 83871, it is worth more than 21% of them ($340,188 against a typical $452,842), its price per square foot is higher than 44% of them ($355 against a typical $368), it is bigger than 21% of them (958 ft² against a typical 1,232 ft²), its lot is bigger than 12% of them (0.21 ac against a typical 3.41 ac) and it is newer than 8% of them (1902 against a typical 1975). Measured against all of Latah County, it is worth more than 22% 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 503 Castle Ln, Troy, ID?

The 2025 property tax bill for 503 Castle Ln, Troy, ID was $1,138. The county assessed it at $255,642.

More homes on Castle Ln

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