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Single Family ResidenceResidential
$400,804$296 / 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 Aug 30, 2026
Last sold for $227,000 on Jul 2, 2019

601 21ST AVE W

OSKALOOSA, IA 52577
3
Beds
3
Baths
1,352 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.
0.38 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.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$401K
$347K low$454K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$227,000 · Jul 2, 2019

Tax & Assessment

Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$326,730 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$36,580
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$290,150
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$262,540
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$326,730

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyMahaska
Lot (acres)The size of the land the home sits on, from county records.0.38
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Concrete
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Forced Air
CoolingThe type of cooling or air conditioning in the home.Yes
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
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 180 ft²Porch · 305 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
Oskaloosa Elementary SchoolC-
Elementary · Grades KG–5 · 2.2 mi
M
Oskaloosa Middle SchoolA-
Middle · Grades 6–8 · 2.3 mi
H
Oskaloosa High SchoolB
High · Grades 9–12 · 2.4 mi

District: Oskaloosa Community School District

Neighborhood · ZIP 52577These 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.130
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.95
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.20

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.92%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.20%
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.0.8%
PopulationHow many people live in this area.14,938
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.92 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$62,724
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$77,233
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.36 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.59%

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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

601 21st Ave W 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 95% of homes in Oskaloosa 52577
  • Among the highest price per square foot in Oskaloosa 52577
  • Newer than 81% of homes in Oskaloosa 52577

What homes are worth in Oskaloosa 52577

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

This home
$37K$479K

This home is worth more than 95% of homes in Oskaloosa 52577.

How it measures up in Oskaloosa 52577

The dot is this home. The mark in the middle is the typical home in Oskaloosa 52577.

Estimated value$400,804
CheaperTypical $159,439Pricier

Pricier than 95% of homes nearby

Price per ft²$296
CheaperTypical $116Pricier

Pricier than almost all homes nearby

Living area1,352 ft²
SmallerTypical 1,384 ft²Bigger

Bigger than 48% of homes nearby

Lot size0.38 ac
SmallerTypical 0.24 acBigger

Bigger than 64% of homes nearby

Year built1994
OlderTypical 1956Newer

Newer than 81% of homes nearby

How 601 21st Ave W ranks against every home in each area.
MeasureThis homeOskaloosa 52577Mahaska County
Estimated valuepricier than$400,80495% of homes95% of homes
Price per ft²pricier than$296almost all homes98% of homes
Living areabigger than1,352 ft²48% of homes46% of homes
Lot sizebigger than0.38 ac64% of homes54% of homes
Year builtnewer than199481% of homes81% of homes

About 601 21st Ave W

How much is 601 21st Ave W, Oskaloosa, IA worth?

The TopHap Estimate for 601 21st Ave W, Oskaloosa, IA is $400,804 as of Aug 30, 2026. The likely range is $347,274 to $454,334. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 601 21st Ave W, Oskaloosa, IA last sell?

601 21st Ave W, Oskaloosa, IA last sold on Jul 2, 2019 for $227,000, according to the county's recorded deed.

How big is 601 21st Ave W, Oskaloosa, IA?

601 21st Ave W, Oskaloosa, IA has 3 bedrooms, 3 bathrooms, 1,352 square feet of living space and a 0.38-acre lot.

When was 601 21st Ave W, Oskaloosa, IA built?

601 21st Ave W, Oskaloosa, IA was built in 1994, making it 32 years old. The building has 1 story.

What schools serve 601 21st Ave W, Oskaloosa, IA?

601 21st Ave W, Oskaloosa, IA is assigned to Oskaloosa Elementary School (elementary), rated C-; Oskaloosa Middle School (middle), rated A-; Oskaloosa High School (high), rated B. All sit in Oskaloosa Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 601 21st Ave W, Oskaloosa, IA compare to other homes in Oskaloosa 52577?

Among the 5,592 homes in Oskaloosa 52577, it is worth more than 95% of them ($400,804 against a typical $159,439), its price per square foot is higher than almost all of them ($296 against a typical $116), it is bigger than 48% of them (1,352 ft² against a typical 1,384 ft²), its lot is bigger than 64% of them (0.38 ac against a typical 0.24 ac) and it is newer than 81% of them (1994 against a typical 1956). Measured against all of Mahaska County, it is worth more than 95% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

More homes on 21st Ave W

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Assigned schools

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