Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$196,448$112 / 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 65How 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

421 WALNUT PL

CALDWELL, ID 83605
3
Beds
2.5
Baths
1,755 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.
0.3 ac
Lot SizeThe size of the land the home sits on, from county records.
1979
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

$196K
$128K low$265K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,516 (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.$393,500 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$126,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$267,500
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$391,300
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$393,500

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyCANYON
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.1989
Lot (acres)The size of the land the home sits on, from county records.0.30
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
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.Porch · 20 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
Wilson Elementary SchoolD
Elementary · Grades KG–4 · 0.4 mi
M
Syringa Middle SchoolC-
Middle · Grades 7–8 · 0.9 mi
H
Caldwell High SchoolF
High · Grades 9–12 · 1.7 mi

District: Caldwell School District 132

Neighborhood · ZIP 83605These 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.112
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.68

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.97%
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.12%
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.43,687
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,711 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$55,993
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$66,835
Average tempThe average temperature here across a full year.51°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

421 Walnut Pl 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 70% of homes in Canyon County
  • Costs less per square foot than 75% of homes in Canyon County
  • Bigger than 65% of homes in Caldwell 83605
  • Has a bigger lot than 88% of homes in Caldwell 83605
  • Older than 75% of homes in Canyon County

What homes are worth in Caldwell 83605

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

This home
$88K$545K

This home is worth more than 49% of homes in Caldwell 83605.

How it measures up in Caldwell 83605

The dot is this home. The mark in the middle is the typical home in Caldwell 83605.

Estimated value$196,448
CheaperTypical $199,913Pricier

Pricier than 49% of homes nearby

Price per ft²$112
CheaperTypical $127Pricier

Pricier than 41% of homes nearby

Living area1,755 ft²
SmallerTypical 1,516 ft²Bigger

Bigger than 65% of homes nearby

Lot size0.3 ac
SmallerTypical 0.18 acBigger

Bigger than 88% of homes nearby

Year built1979
OlderTypical 1997Newer

Newer than 39% of homes nearby

How 421 Walnut Pl ranks against every home in each area.
MeasureThis homeCaldwell 83605Canyon County
Estimated valuepricier than$196,44849% of homes30% of homes
Price per ft²pricier than$11241% of homes25% of homes
Living areabigger than1,755 ft²65% of homes53% of homes
Lot sizebigger than0.3 ac88% of homes69% of homes
Year builtnewer than197939% of homes25% of homes

About 421 Walnut Pl

How much is 421 Walnut Pl, Caldwell, ID worth?

The TopHap Estimate for 421 Walnut Pl, Caldwell, ID is $196,448 as of Aug 30, 2026. The likely range is $127,736 to $265,160. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 421 Walnut Pl, Caldwell, ID last sell?

421 Walnut Pl, Caldwell, ID last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 421 Walnut Pl, Caldwell, ID?

421 Walnut Pl, Caldwell, ID has 3 bedrooms, 2.5 bathrooms, 1,755 square feet of living space and a 0.30-acre lot.

When was 421 Walnut Pl, Caldwell, ID built?

421 Walnut Pl, Caldwell, ID was built in 1979, making it 47 years old. The building has 1 story.

What schools serve 421 Walnut Pl, Caldwell, ID?

421 Walnut Pl, Caldwell, ID is assigned to Wilson Elementary School (elementary), rated D; Syringa Middle School (middle), rated C-; Caldwell High School (high), rated F. All sit in Caldwell School District 132. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 421 Walnut Pl, Caldwell, ID compare to other homes in Caldwell 83605?

Among the 14,054 homes in Caldwell 83605, it is worth more than 49% of them ($196,448 against a typical $199,913), its price per square foot is higher than 41% of them ($112 against a typical $127), it is bigger than 65% of them (1,755 ft² against a typical 1,516 ft²), its lot is bigger than 88% of them (0.3 ac against a typical 0.18 ac) and it is newer than 39% of them (1979 against a typical 1997). Measured against all of Canyon County, it is worth more than 30% 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 421 Walnut Pl, Caldwell, ID?

The 2025 property tax bill for 421 Walnut Pl, Caldwell, ID was $1,516. The county assessed it at $393,500.

More homes on Walnut Pl

Closest homes

More homes in Caldwell 83605

Assigned schools

Explore the area

See this home in context

Open 421 Walnut Pl 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