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Single Family ResidenceResidential
$155,670$99 / 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 52How 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 $248,800 on Mar 20, 2020

2021 ALDER ST

CALDWELL, ID 83605
3
Beds
2
Baths
1,579 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.
0.23 ac
Lot SizeThe size of the land the home sits on, from county records.
1973
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

$156K
$81K low$231K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$248,800 · Mar 20, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,225 (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.$357,600 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$117,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$240,600
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$340,300
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$357,600

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.1983
Lot (acres)The size of the land the home sits on, from county records.0.23
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.Deck · 124 ft²Patio · 124 ft²Porch · 35 ft²

Transaction History(5)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(4)

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

H
Caldwell High SchoolF
High · Grades 9–12 · 0.3 mi
M
Syringa Middle SchoolC-
Middle · Grades 7–8 · 0.6 mi
E
Washington Elementary SchoolD
Elementary · Grades KG–4 · 0.7 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%

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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

2021 Alder St 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 84% of homes in Canyon County
  • Costs less per square foot than 85% of homes in Canyon County
  • Has a bigger lot than 77% of homes in Caldwell 83605
  • Older than 81% 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 32% 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$155,670
CheaperTypical $199,846Pricier

Pricier than 32% of homes nearby

Price per ft²$99
CheaperTypical $127Pricier

Pricier than 29% of homes nearby

Living area1,579 ft²
SmallerTypical 1,528 ft²Bigger

Bigger than 54% of homes nearby

Lot size0.23 ac
SmallerTypical 0.18 acBigger

Bigger than 77% of homes nearby

Year built1973
OlderTypical 1997Newer

Newer than 31% of homes nearby

How 2021 Alder St ranks against every home in each area.
MeasureThis homeCaldwell 83605Canyon County
Estimated valuepricier than$155,67032% of homes16% of homes
Price per ft²pricier than$9929% of homes15% of homes
Living areabigger than1,579 ft²54% of homes43% of homes
Lot sizebigger than0.23 ac77% of homes60% of homes
Year builtnewer than197331% of homes19% of homes

About 2021 Alder St

How much is 2021 Alder St, Caldwell, ID worth?

The TopHap Estimate for 2021 Alder St, Caldwell, ID is $155,670 as of Aug 30, 2026. The likely range is $80,648 to $230,692. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 2021 Alder St, Caldwell, ID last sell?

2021 Alder St, Caldwell, ID last sold on Mar 20, 2020 for $248,800, according to the county's recorded deed.

How big is 2021 Alder St, Caldwell, ID?

2021 Alder St, Caldwell, ID has 3 bedrooms, 2 bathrooms, 1,579 square feet of living space and a 0.23-acre lot.

When was 2021 Alder St, Caldwell, ID built?

2021 Alder St, Caldwell, ID was built in 1973, making it 53 years old. The building has 1 story.

What schools serve 2021 Alder St, Caldwell, ID?

2021 Alder St, Caldwell, ID is assigned to Caldwell High School (high), rated F; Syringa Middle School (middle), rated C-; Washington Elementary School (elementary), rated D. All sit in Caldwell School District 132. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 2021 Alder St, Caldwell, ID compare to other homes in Caldwell 83605?

Among the 14,053 homes in Caldwell 83605, it is worth more than 32% of them ($155,670 against a typical $199,846), its price per square foot is higher than 29% of them ($99 against a typical $127), it is bigger than 54% of them (1,579 ft² against a typical 1,528 ft²), its lot is bigger than 77% of them (0.23 ac against a typical 0.18 ac) and it is newer than 31% of them (1973 against a typical 1997). Measured against all of Canyon County, it is worth more than 16% 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 2021 Alder St, Caldwell, ID?

The 2025 property tax bill for 2021 Alder St, Caldwell, ID was $1,225. The county assessed it at $357,600.

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