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Single Family ResidenceResidential
$433,943$220 / 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 Sep 24, 2026

621 ASTOR AVE

NAMPA, ID 83651
4
Beds
2
Baths
1,972 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.
1994
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

$434K
$383K low$485K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,799 (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.$444,400 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$88,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$355,700
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$432,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$444,400

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyCANYON
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.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.DeckPatio · 184 ft²Porch · 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
Willow Creek Elementary SchoolC-
Elementary · Grades KG–5 · 0.6 mi
M
Lone Star Middle SchoolC
Middle · Grades 6–8 · 1.6 mi
H
Nampa High SchoolF
High · Grades 9–12 · 2.1 mi

District: Nampa School District 131

Neighborhood · ZIP 83651These 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.106
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 100.65

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.17%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.9%
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.43,048
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,851 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$61,633
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$77,976
Average tempThe average temperature here across a full year.51°F
Annual precipHow much rain and melted snow falls here in a typical year.10 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

621 Astor 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.

  • Worth more than 75% of homes in Nampa 83651
  • Costs less per square foot than 77% of homes in Canyon County
  • Bigger than 73% of homes in Nampa 83651
  • Has a bigger lot than 69% of homes in Nampa 83651
  • Older than 66% of homes in Canyon County

What homes are worth in Nampa 83651

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

This home
$251K$783K

This home is worth more than 75% of homes in Nampa 83651.

How it measures up in Nampa 83651

The dot is this home. The mark in the middle is the typical home in Nampa 83651.

Estimated value$433,943
CheaperTypical $377,617Pricier

Pricier than 75% of homes nearby

Price per ft²$220
CheaperTypical $243Pricier

Pricier than 32% of homes nearby

Living area1,972 ft²
SmallerTypical 1,566 ft²Bigger

Bigger than 73% of homes nearby

Lot size0.21 ac
SmallerTypical 0.18 acBigger

Bigger than 69% of homes nearby

Year built1994
OlderTypical 1998Newer

Newer than 48% of homes nearby

How 621 Astor Ave ranks against every home in each area.
MeasureThis homeNampa 83651Canyon County
Estimated valuepricier than$433,94375% of homes55% of homes
Price per ft²pricier than$22032% of homes23% of homes
Living areabigger than1,972 ft²73% of homes63% of homes
Lot sizebigger than0.21 ac69% of homes54% of homes
Year builtnewer than199448% of homes34% of homes

About 621 Astor Ave

How much is 621 Astor Ave, Nampa, ID worth?

The TopHap Estimate for 621 Astor Ave, Nampa, ID is $433,943 as of Sep 24, 2026. The likely range is $382,915 to $484,971. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 621 Astor Ave, Nampa, ID last sell?

621 Astor Ave, Nampa, ID last sold on Oct 10, 2025, according to the county's recorded deed.

How big is 621 Astor Ave, Nampa, ID?

621 Astor Ave, Nampa, ID has 4 bedrooms, 2 bathrooms, 1,972 square feet of living space and a 0.21-acre lot.

When was 621 Astor Ave, Nampa, ID built?

621 Astor Ave, Nampa, ID was built in 1994, making it 32 years old. The building has 1 story.

What schools serve 621 Astor Ave, Nampa, ID?

621 Astor Ave, Nampa, ID is assigned to Willow Creek Elementary School (elementary), rated C-; Lone Star Middle School (middle), rated C; Nampa High School (high), rated F. All sit in Nampa School District 131. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 621 Astor Ave, Nampa, ID compare to other homes in Nampa 83651?

Among the 12,509 homes in Nampa 83651, it is worth more than 75% of them ($433,943 against a typical $377,617), its price per square foot is higher than 32% of them ($220 against a typical $243), it is bigger than 73% of them (1,972 ft² against a typical 1,566 ft²), its lot is bigger than 69% of them (0.21 ac against a typical 0.18 ac) and it is newer than 48% of them (1994 against a typical 1998). Measured against all of Canyon County, it is worth more than 55% 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 621 Astor Ave, Nampa, ID?

The 2025 property tax bill for 621 Astor Ave, Nampa, ID was $1,799. The county assessed it at $444,400.

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