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Single Family ResidenceResidential
$269,423$164 / 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 89How 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

816 S 15TH ST

OSKALOOSA, IA 52577
4
Beds
2
Baths
1,644 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.
2.45 ac
Lot SizeThe size of the land the home sits on, from county records.
1967
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
8
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$269K
$240K low$299K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,318 (2026)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$220,890 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$32,900
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$187,990
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$220,890
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$220,890

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.128 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

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
CountyMAHASKA
Lot (acres)The size of the land the home sits on, from county records.2.45
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 With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Yes
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 · 240 ft²Shed · 140 ft²Porch · 25 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.

M
Oskaloosa Middle SchoolC-
Middle · Grades 6–8 · 1.6 mi
H
Oskaloosa High SchoolC-
High · Grades 9–12 · 1.7 mi
E
Oskaloosa Elementary SchoolC-
Elementary · Grades KG–5 · 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%

Owner Tools

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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

816 S 15th 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 more than 81% of homes in Mahaska County
  • Costs more per square foot than 76% of homes in Mahaska County
  • Bigger than 68% of homes in Oskaloosa 52577
  • Has a bigger lot than 86% 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$496K

This home is worth more than 80% 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$269,423
CheaperTypical $165,580Pricier

Pricier than 80% of homes nearby

Price per ft²$164
CheaperTypical $118Pricier

Pricier than 74% of homes nearby

Living area1,644 ft²
SmallerTypical 1,384 ft²Bigger

Bigger than 68% of homes nearby

Lot size2.45 ac
SmallerTypical 0.24 acBigger

Bigger than 86% of homes nearby

Year built1967
OlderTypical 1955Newer

Newer than 58% of homes nearby

How 816 S 15th St ranks against every home in each area.
MeasureThis homeOskaloosa 52577Mahaska County
Estimated valuepricier than$269,42380% of homes81% of homes
Price per ft²pricier than$16474% of homes76% of homes
Living areabigger than1,644 ft²68% of homes67% of homes
Lot sizebigger than2.45 ac86% of homes78% of homes
Year builtnewer than196758% of homes57% of homes

About 816 S 15th St

How much is 816 S 15th St, Oskaloosa, IA worth?

The TopHap Estimate for 816 S 15th St, Oskaloosa, IA is $269,423 as of Sep 24, 2026. The likely range is $239,811 to $299,035. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 816 S 15th St, Oskaloosa, IA last sell?

816 S 15th St, Oskaloosa, IA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 816 S 15th St, Oskaloosa, IA?

816 S 15th St, Oskaloosa, IA has 4 bedrooms, 2 bathrooms, 1,644 square feet of living space and a 2.45-acre lot.

When was 816 S 15th St, Oskaloosa, IA built?

816 S 15th St, Oskaloosa, IA was built in 1967, making it 59 years old. The building has 1 story.

What schools serve 816 S 15th St, Oskaloosa, IA?

816 S 15th St, Oskaloosa, IA is assigned to Oskaloosa Middle School (middle), rated C-; Oskaloosa High School (high), rated C-; Oskaloosa Elementary School (elementary), rated C-. All sit in Oskaloosa Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 816 S 15th St, Oskaloosa, IA compare to other homes in Oskaloosa 52577?

Among the 5,592 homes in Oskaloosa 52577, it is worth more than 80% of them ($269,423 against a typical $165,580), its price per square foot is higher than 74% of them ($164 against a typical $118), it is bigger than 68% of them (1,644 ft² against a typical 1,384 ft²), its lot is bigger than 86% of them (2.45 ac against a typical 0.24 ac) and it is newer than 58% of them (1967 against a typical 1955). Measured against all of Mahaska County, it is worth more than 81% 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 816 S 15th St, Oskaloosa, IA?

The 2026 property tax bill for 816 S 15th St, Oskaloosa, IA was $3,318. The county assessed it at $220,890.

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